/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-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 03:55:43,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 03:55:43,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 03:55:43,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 03:55:43,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 03:55:43,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 03:55:43,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 03:55:43,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 03:55:43,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 03:55:43,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 03:55:43,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 03:55:43,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 03:55:43,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 03:55:43,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 03:55:43,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 03:55:43,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 03:55:43,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 03:55:43,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 03:55:43,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 03:55:43,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 03:55:43,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 03:55:43,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 03:55:43,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 03:55:43,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 03:55:43,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 03:55:43,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 03:55:43,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 03:55:43,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 03:55:43,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 03:55:43,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 03:55:43,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 03:55:43,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 03:55:43,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 03:55:43,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 03:55:43,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 03:55:43,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 03:55:43,911 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-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 03:55:43,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 03:55:43,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 03:55:43,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 03:55:43,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 03:55:43,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 03:55:43,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 03:55:43,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 03:55:43,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 03:55:43,937 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 03:55:43,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 03:55:43,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 03:55:43,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 03:55:43,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 03:55:43,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 03:55:43,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 03:55:43,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:55:43,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 03:55:43,939 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 03:55:43,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 03:55:44,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 03:55:44,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 03:55:44,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 03:55:44,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 03:55:44,150 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 03:55:44,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2022-02-11 03:55:44,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e05b768/93d0718f155249fd92d29c007ee6aa12/FLAG265fffd23 [2022-02-11 03:55:44,555 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 03:55:44,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2022-02-11 03:55:44,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e05b768/93d0718f155249fd92d29c007ee6aa12/FLAG265fffd23 [2022-02-11 03:55:44,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e05b768/93d0718f155249fd92d29c007ee6aa12 [2022-02-11 03:55:44,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 03:55:44,572 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 03:55:44,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 03:55:44,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 03:55:44,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 03:55:44,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d848e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44, skipping insertion in model container [2022-02-11 03:55:44,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 03:55:44,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 03:55:44,737 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-bad-commit-1.wvr-bad.c[5161,5174] [2022-02-11 03:55:44,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:55:44,746 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 03:55:44,780 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-bad-commit-1.wvr-bad.c[5161,5174] [2022-02-11 03:55:44,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:55:44,797 INFO L208 MainTranslator]: Completed translation [2022-02-11 03:55:44,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44 WrapperNode [2022-02-11 03:55:44,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 03:55:44,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 03:55:44,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 03:55:44,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 03:55:44,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,854 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 336 [2022-02-11 03:55:44,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 03:55:44,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 03:55:44,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 03:55:44,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 03:55:44,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 03:55:44,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 03:55:44,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 03:55:44,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 03:55:44,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (1/1) ... [2022-02-11 03:55:44,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:55:44,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:55:44,934 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) [2022-02-11 03:55:44,940 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 [2022-02-11 03:55:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 03:55:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 03:55:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 03:55:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 03:55:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 03:55:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 03:55:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 03:55:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 03:55:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 03:55:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 03:55:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 03:55:44,962 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 03:55:45,025 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 03:55:45,026 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 03:55:45,398 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 03:55:45,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 03:55:45,495 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-11 03:55:45,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:55:45 BoogieIcfgContainer [2022-02-11 03:55:45,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 03:55:45,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 03:55:45,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 03:55:45,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 03:55:45,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 03:55:44" (1/3) ... [2022-02-11 03:55:45,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a0e133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:55:45, skipping insertion in model container [2022-02-11 03:55:45,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:55:44" (2/3) ... [2022-02-11 03:55:45,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a0e133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:55:45, skipping insertion in model container [2022-02-11 03:55:45,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:55:45" (3/3) ... [2022-02-11 03:55:45,502 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2022-02-11 03:55:45,505 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 03:55:45,505 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 03:55:45,505 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 03:55:45,505 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 03:55:45,549 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,549 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,550 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,551 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,552 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,553 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,554 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,554 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,554 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,554 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,554 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,554 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,555 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,555 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,555 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,555 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,555 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,555 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,556 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,557 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,558 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,559 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,559 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,562 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,562 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,562 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,564 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,564 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,564 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,564 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,565 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,565 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,565 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,565 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,565 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,566 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,566 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,566 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,567 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,568 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,568 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,568 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,568 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,569 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,569 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,569 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,569 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,573 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,573 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,573 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,573 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,573 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,574 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,574 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,574 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,574 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,575 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,576 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,577 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:55:45,580 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 03:55:45,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 03:55:45,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:55:45,634 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) [2022-02-11 03:55:45,635 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 [2022-02-11 03:55:45,656 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 03:55:45,660 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, 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 [2022-02-11 03:55:45,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 03:55:45,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:45,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash -890004931, now seen corresponding path program 1 times [2022-02-11 03:55:45,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:45,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664203781] [2022-02-11 03:55:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:46,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:46,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664203781] [2022-02-11 03:55:46,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664203781] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:46,050 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:46,050 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 03:55:46,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727509202] [2022-02-11 03:55:46,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:46,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 03:55:46,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:46,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 03:55:46,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 03:55:46,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,075 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:46,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2022-02-11 03:55:46,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 03:55:46,133 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:46,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -114150103, now seen corresponding path program 1 times [2022-02-11 03:55:46,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:46,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899061632] [2022-02-11 03:55:46,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:46,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:46,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899061632] [2022-02-11 03:55:46,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899061632] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:46,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:46,355 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 03:55:46,355 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82925410] [2022-02-11 03:55:46,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:46,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:55:46,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:46,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:55:46,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:55:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:46,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 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) [2022-02-11 03:55:46,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 03:55:46,480 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:46,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1762126350, now seen corresponding path program 1 times [2022-02-11 03:55:46,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:46,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100797022] [2022-02-11 03:55:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:46,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:46,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100797022] [2022-02-11 03:55:46,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100797022] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:46,638 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:46,638 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:46,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407217591] [2022-02-11 03:55:46,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:46,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:46,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:46,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:46,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:46,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2022-02-11 03:55:46,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 03:55:46,687 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:46,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:46,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2005853610, now seen corresponding path program 1 times [2022-02-11 03:55:46,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:46,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050663310] [2022-02-11 03:55:46,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:46,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:46,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:46,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050663310] [2022-02-11 03:55:46,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050663310] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:46,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:46,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:46,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597188942] [2022-02-11 03:55:46,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:46,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:46,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:46,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:46,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:46,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2022-02-11 03:55:46,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 03:55:46,876 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:46,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:46,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1963584339, now seen corresponding path program 1 times [2022-02-11 03:55:46,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:46,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965252448] [2022-02-11 03:55:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:46,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:46,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965252448] [2022-02-11 03:55:46,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965252448] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:46,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:46,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:46,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920606286] [2022-02-11 03:55:46,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:46,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:46,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:46,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:46,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:46,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:46,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2022-02-11 03:55:46,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:46,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-11 03:55:46,983 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash -842048686, now seen corresponding path program 1 times [2022-02-11 03:55:46,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:46,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704880080] [2022-02-11 03:55:46,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:55:47,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:47,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704880080] [2022-02-11 03:55:47,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704880080] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:47,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:47,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:47,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797350509] [2022-02-11 03:55:47,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:47,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:47,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:47,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:47,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:47,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:47,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2022-02-11 03:55:47,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-11 03:55:47,093 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:47,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2134511074, now seen corresponding path program 1 times [2022-02-11 03:55:47,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:47,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90670613] [2022-02-11 03:55:47,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:47,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:55:47,164 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:47,164 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90670613] [2022-02-11 03:55:47,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90670613] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:47,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:47,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:55:47,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131595167] [2022-02-11 03:55:47,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:47,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:55:47,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:47,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:55:47,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:55:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,171 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:47,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.833333333333336) internal successors, (197), 6 states have internal predecessors, (197), 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) [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:55:47,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-11 03:55:47,285 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:47,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:47,286 INFO L85 PathProgramCache]: Analyzing trace with hash -250165701, now seen corresponding path program 1 times [2022-02-11 03:55:47,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:47,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884719357] [2022-02-11 03:55:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:47,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:47,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:47,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884719357] [2022-02-11 03:55:47,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884719357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:47,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:47,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:47,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463099009] [2022-02-11 03:55:47,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:47,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:47,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:47,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:47,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:47,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-02-11 03:55:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:55:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-11 03:55:47,506 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:47,506 INFO L85 PathProgramCache]: Analyzing trace with hash 738533463, now seen corresponding path program 1 times [2022-02-11 03:55:47,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:47,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111990249] [2022-02-11 03:55:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:47,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 03:55:47,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:47,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111990249] [2022-02-11 03:55:47,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111990249] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:47,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:47,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 03:55:47,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298430226] [2022-02-11 03:55:47,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:47,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 03:55:47,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:47,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 03:55:47,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-11 03:55:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,629 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:47,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 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) [2022-02-11 03:55:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:47,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-11 03:55:47,667 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:47,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:47,667 INFO L85 PathProgramCache]: Analyzing trace with hash 731089762, now seen corresponding path program 1 times [2022-02-11 03:55:47,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:47,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431260355] [2022-02-11 03:55:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:47,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:48,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:48,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431260355] [2022-02-11 03:55:48,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431260355] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:55:48,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736561419] [2022-02-11 03:55:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:48,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:55:48,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:55:48,332 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) [2022-02-11 03:55:48,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 03:55:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:48,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-11 03:55:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:55:49,012 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 03:55:50,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:55:50,136 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:55:50,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:55:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:50,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:55:51,784 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:55:51,784 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 50 [2022-02-11 03:55:51,793 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 03:55:51,794 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 749 [2022-02-11 03:55:51,803 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:55:51,803 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 742 treesize of output 646 [2022-02-11 03:55:51,815 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:55:51,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 646 treesize of output 598 [2022-02-11 03:55:51,823 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:55:51,823 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 598 treesize of output 406 [2022-02-11 03:55:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:55:52,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736561419] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:55:52,977 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:55:52,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 24, 20] total 54 [2022-02-11 03:55:52,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633545724] [2022-02-11 03:55:52,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:55:52,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-11 03:55:52,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:52,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-11 03:55:52,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=458, Invalid=2340, Unknown=64, NotChecked=0, Total=2862 [2022-02-11 03:55:52,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:52,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:52,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 9.796296296296296) internal successors, (529), 54 states have internal predecessors, (529), 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) [2022-02-11 03:55:52,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:52,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:52,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:52,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:52,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:52,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:52,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:52,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:52,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:52,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:55:54,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 03:55:54,871 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,SelfDestructingSolverStorable9 [2022-02-11 03:55:54,872 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:54,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:54,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1815718969, now seen corresponding path program 2 times [2022-02-11 03:55:54,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:54,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095380952] [2022-02-11 03:55:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 03:55:54,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:54,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095380952] [2022-02-11 03:55:54,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095380952] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:54,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:54,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:54,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072044919] [2022-02-11 03:55:54,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:54,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:54,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:54,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:54,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:54,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:55:54,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:55:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-11 03:55:54,951 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:54,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash 279709647, now seen corresponding path program 1 times [2022-02-11 03:55:54,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:54,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973456599] [2022-02-11 03:55:54,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:54,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:55:54,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:54,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973456599] [2022-02-11 03:55:54,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973456599] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:54,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:54,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:55:54,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296320577] [2022-02-11 03:55:54,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:54,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:55:54,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:54,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:55:54,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:55:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,990 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:54,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:55:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:55,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:55,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-11 03:55:55,036 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:55,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash -909620110, now seen corresponding path program 1 times [2022-02-11 03:55:55,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:55,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118546093] [2022-02-11 03:55:55,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:55,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-11 03:55:55,089 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:55,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118546093] [2022-02-11 03:55:55,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118546093] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:55:55,090 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:55:55,090 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:55:55,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976525977] [2022-02-11 03:55:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:55:55,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:55:55,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:55,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:55:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:55:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:55,091 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:55,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.333333333333336) internal successors, (212), 6 states have internal predecessors, (212), 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) [2022-02-11 03:55:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:55,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-11 03:55:55,570 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:55,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash -123954756, now seen corresponding path program 1 times [2022-02-11 03:55:55,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:55,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918446219] [2022-02-11 03:55:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-11 03:55:55,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:55,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918446219] [2022-02-11 03:55:55,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918446219] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:55:55,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807255331] [2022-02-11 03:55:55,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:55,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:55:55,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:55:55,655 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) [2022-02-11 03:55:55,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 03:55:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:55,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-11 03:55:55,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:55:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:55:56,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:55:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:55:57,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807255331] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:55:57,563 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:55:57,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 21 [2022-02-11 03:55:57,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948402310] [2022-02-11 03:55:57,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:55:57,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-11 03:55:57,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:57,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-11 03:55:57,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2022-02-11 03:55:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:57,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:57,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 24.666666666666668) internal successors, (518), 21 states have internal predecessors, (518), 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) [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-11 03:55:57,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:57,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:55:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:55:57,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 03:55:58,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:55:58,066 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:55:58,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:55:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1576945803, now seen corresponding path program 1 times [2022-02-11 03:55:58,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:55:58,067 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251105197] [2022-02-11 03:55:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:58,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:55:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 03:55:58,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:58,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251105197] [2022-02-11 03:55:58,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251105197] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:55:58,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959225566] [2022-02-11 03:55:58,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:55:58,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:55:58,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:55:58,617 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) [2022-02-11 03:55:58,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 03:55:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:58,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-11 03:55:58,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:55:58,808 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:55:58,975 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-11 03:55:58,976 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-11 03:55:59,259 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-11 03:55:59,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-11 03:55:59,627 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 03:55:59,627 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 03:55:59,785 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 03:56:00,164 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:00,233 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:00,296 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:56:00,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:01,342 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:56:01,343 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 50 [2022-02-11 03:56:01,353 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 03:56:01,353 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 749 [2022-02-11 03:56:01,360 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:56:01,360 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 742 treesize of output 646 [2022-02-11 03:56:01,379 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:56:01,380 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 646 treesize of output 454 [2022-02-11 03:56:01,389 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:56:01,390 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 203 [2022-02-11 03:56:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:56:02,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959225566] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:02,268 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:02,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 21] total 57 [2022-02-11 03:56:02,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685552883] [2022-02-11 03:56:02,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:02,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-02-11 03:56:02,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:02,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-02-11 03:56:02,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=519, Invalid=2603, Unknown=70, NotChecked=0, Total=3192 [2022-02-11 03:56:02,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:02,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:02,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 8.789473684210526) internal successors, (501), 57 states have internal predecessors, (501), 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) [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:04,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:56:04,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 03:56:04,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-11 03:56:04,739 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:04,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2126140038, now seen corresponding path program 2 times [2022-02-11 03:56:04,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:04,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833426801] [2022-02-11 03:56:04,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:04,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 03:56:04,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:04,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833426801] [2022-02-11 03:56:04,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833426801] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:04,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165098174] [2022-02-11 03:56:04,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 03:56:04,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:04,781 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) [2022-02-11 03:56:04,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 03:56:04,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 03:56:04,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:56:04,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-11 03:56:04,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-11 03:56:05,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 03:56:05,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165098174] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:56:05,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 03:56:05,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-02-11 03:56:05,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631039721] [2022-02-11 03:56:05,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:56:05,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:56:05,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:05,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:56:05,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:56:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:05,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:05,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2022-02-11 03:56:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:56:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:56:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:05,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 03:56:05,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-11 03:56:05,427 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -211245409, now seen corresponding path program 1 times [2022-02-11 03:56:05,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:05,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050478112] [2022-02-11 03:56:05,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 03:56:05,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:05,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050478112] [2022-02-11 03:56:05,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050478112] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:05,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548844325] [2022-02-11 03:56:05,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:05,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:05,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:05,501 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) [2022-02-11 03:56:05,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 03:56:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:05,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-11 03:56:05,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 03:56:06,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 03:56:06,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548844325] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:06,457 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:06,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-11 03:56:06,457 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943231070] [2022-02-11 03:56:06,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:06,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-11 03:56:06,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:06,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-11 03:56:06,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-02-11 03:56:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:06,458 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:06,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.05263157894737) internal successors, (305), 19 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:56:06,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:06,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:06,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:06,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-11 03:56:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:09,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 03:56:10,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-11 03:56:10,012 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:10,012 INFO L85 PathProgramCache]: Analyzing trace with hash -219668801, now seen corresponding path program 1 times [2022-02-11 03:56:10,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:10,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653956678] [2022-02-11 03:56:10,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:10,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:56:10,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:10,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653956678] [2022-02-11 03:56:10,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653956678] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:10,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446123821] [2022-02-11 03:56:10,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:10,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:10,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:10,857 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) [2022-02-11 03:56:10,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 03:56:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:10,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-11 03:56:10,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:56:11,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:11,856 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 03:56:11,856 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-02-11 03:56:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:56:12,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446123821] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:12,982 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:12,982 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 15] total 42 [2022-02-11 03:56:12,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861828990] [2022-02-11 03:56:12,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:12,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-11 03:56:12,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:12,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-11 03:56:12,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1444, Unknown=0, NotChecked=0, Total=1722 [2022-02-11 03:56:12,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:12,984 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:12,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 13.357142857142858) internal successors, (561), 42 states have internal predecessors, (561), 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) [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:12,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-11 03:56:14,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 03:56:14,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:14,629 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:14,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:14,634 INFO L85 PathProgramCache]: Analyzing trace with hash -896966672, now seen corresponding path program 2 times [2022-02-11 03:56:14,634 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:14,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629711762] [2022-02-11 03:56:14,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:14,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-11 03:56:14,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:14,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629711762] [2022-02-11 03:56:14,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629711762] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:56:14,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:56:14,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:56:14,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772383766] [2022-02-11 03:56:14,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:56:14,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:56:14,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:14,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:56:14,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:56:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:14,675 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:14,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-11 03:56:14,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:14,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:14,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-11 03:56:14,798 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:14,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:14,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1635651258, now seen corresponding path program 2 times [2022-02-11 03:56:14,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:14,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017944781] [2022-02-11 03:56:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:14,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-11 03:56:14,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:14,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017944781] [2022-02-11 03:56:14,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017944781] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:14,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045341455] [2022-02-11 03:56:14,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 03:56:14,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:14,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:14,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:56:14,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 03:56:15,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 03:56:15,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:56:15,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 03:56:15,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-02-11 03:56:15,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-11 03:56:15,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045341455] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:15,804 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:15,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 5] total 15 [2022-02-11 03:56:15,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000654028] [2022-02-11 03:56:15,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:15,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-11 03:56:15,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:15,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-11 03:56:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-02-11 03:56:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:15,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:15,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 26.266666666666666) internal successors, (394), 15 states have internal predecessors, (394), 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) [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-11 03:56:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:15,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:15,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:15,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-11 03:56:16,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-11 03:56:16,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:16,424 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash -802943787, now seen corresponding path program 1 times [2022-02-11 03:56:16,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:16,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33948994] [2022-02-11 03:56:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:16,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 03:56:16,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:16,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33948994] [2022-02-11 03:56:16,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33948994] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:16,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877629727] [2022-02-11 03:56:16,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:16,920 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:56:16,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 03:56:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:17,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-11 03:56:17,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:18,354 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-02-11 03:56:18,354 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2022-02-11 03:56:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:56:18,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:18,514 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 03:56:18,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-02-11 03:56:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:56:20,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877629727] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:20,530 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:20,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 17] total 48 [2022-02-11 03:56:20,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983087886] [2022-02-11 03:56:20,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:20,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-11 03:56:20,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:20,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-11 03:56:20,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1988, Unknown=0, NotChecked=0, Total=2256 [2022-02-11 03:56:20,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:20,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:20,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 12.770833333333334) internal successors, (613), 48 states have internal predecessors, (613), 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) [2022-02-11 03:56:20,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:20,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:20,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-11 03:56:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-11 03:56:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:56:22,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 03:56:23,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:23,058 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:23,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:23,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2077513104, now seen corresponding path program 1 times [2022-02-11 03:56:23,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:23,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716705483] [2022-02-11 03:56:23,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 03:56:23,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:23,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716705483] [2022-02-11 03:56:23,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716705483] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:56:23,138 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:56:23,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:56:23,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410733102] [2022-02-11 03:56:23,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:56:23,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:56:23,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:23,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:56:23,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:56:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,139 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:23,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 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) [2022-02-11 03:56:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:56:23,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:56:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:56:23,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-11 03:56:23,707 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:23,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2144434914, now seen corresponding path program 2 times [2022-02-11 03:56:23,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:23,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443498421] [2022-02-11 03:56:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-11 03:56:23,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:23,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443498421] [2022-02-11 03:56:23,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443498421] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:56:23,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:56:23,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:56:23,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725971830] [2022-02-11 03:56:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:56:23,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:56:23,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:23,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:56:23,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:56:23,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,746 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:23,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2022-02-11 03:56:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:56:23,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:23,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-11 03:56:23,958 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1714931379, now seen corresponding path program 1 times [2022-02-11 03:56:23,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:23,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880523948] [2022-02-11 03:56:23,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:23,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 03:56:24,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:24,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880523948] [2022-02-11 03:56:24,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880523948] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:24,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446363329] [2022-02-11 03:56:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:24,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:24,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:24,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:56:24,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-11 03:56:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 03:56:24,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 03:56:24,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 03:56:25,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446363329] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:25,045 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:25,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-11 03:56:25,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4738589] [2022-02-11 03:56:25,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:25,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-11 03:56:25,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:25,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-11 03:56:25,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-02-11 03:56:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:25,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:25,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.68421052631579) internal successors, (279), 19 states have internal predecessors, (279), 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) [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:25,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:25,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-11 03:56:25,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-02-11 03:56:25,601 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:25,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:25,601 INFO L85 PathProgramCache]: Analyzing trace with hash 789338160, now seen corresponding path program 2 times [2022-02-11 03:56:25,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:25,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631056264] [2022-02-11 03:56:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:25,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-02-11 03:56:26,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:26,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631056264] [2022-02-11 03:56:26,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631056264] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:26,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326568392] [2022-02-11 03:56:26,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 03:56:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:26,267 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:56:26,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-11 03:56:26,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 03:56:26,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:56:26,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-11 03:56:26,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 03:56:27,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:27,372 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 03:56:27,372 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-02-11 03:56:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 03:56:28,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326568392] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:56:28,980 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:56:28,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 14] total 42 [2022-02-11 03:56:28,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056325302] [2022-02-11 03:56:28,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:56:28,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-11 03:56:28,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:56:28,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-11 03:56:28,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=1424, Unknown=0, NotChecked=0, Total=1722 [2022-02-11 03:56:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:28,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:56:28,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 13.452380952380953) internal successors, (565), 42 states have internal predecessors, (565), 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) [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:28,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:28,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:56:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-11 03:56:33,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-11 03:56:33,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-02-11 03:56:33,307 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:56:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:56:33,308 INFO L85 PathProgramCache]: Analyzing trace with hash -707214945, now seen corresponding path program 3 times [2022-02-11 03:56:33,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:56:33,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942466791] [2022-02-11 03:56:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:56:33,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:56:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:56:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 74 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-11 03:56:33,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:56:33,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942466791] [2022-02-11 03:56:33,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942466791] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:56:33,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060095579] [2022-02-11 03:56:33,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 03:56:33,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:56:33,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:56:33,946 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:56:33,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-11 03:56:34,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-11 03:56:34,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:56:34,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-11 03:56:34,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:56:34,233 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:34,259 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-11 03:56:34,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-02-11 03:56:34,306 INFO L353 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-02-11 03:56:34,306 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-02-11 03:56:34,774 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-02-11 03:56:34,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 42 [2022-02-11 03:56:35,446 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 03:56:36,365 INFO L353 Elim1Store]: treesize reduction 54, result has 40.0 percent of original size [2022-02-11 03:56:36,365 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 36 treesize of output 62 [2022-02-11 03:56:36,630 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:36,845 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:37,565 INFO L353 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2022-02-11 03:56:37,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 46 [2022-02-11 03:56:37,772 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:38,023 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:38,086 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:38,137 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:56:38,527 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-02-11 03:56:38,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2022-02-11 03:56:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 42 proven. 36 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 03:56:38,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:56:49,182 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:56:49,183 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-02-11 03:56:49,254 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-02-11 03:56:49,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3293174 treesize of output 3227645 [2022-02-11 03:56:55,869 WARN L228 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 2200 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:56:55,969 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:56:55,971 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3227638 treesize of output 3178486 [2022-02-11 03:57:02,161 WARN L228 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 2199 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:57:02,271 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:57:02,273 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3178486 treesize of output 2785270 [2022-02-11 03:57:08,499 WARN L228 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 2198 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:57:08,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 03:57:08,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1392635 treesize of output 1294331 [2022-02-11 03:57:14,784 WARN L228 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 2197 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:57:14,887 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:57:14,890 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2686966 treesize of output 2490358 [2022-02-11 03:57:21,085 WARN L228 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 2196 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:57:21,180 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-11 03:57:21,182 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2490358 treesize of output 1703926 [2022-02-11 03:57:27,371 WARN L228 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 2192 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:57:33,545 WARN L228 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 2184 DAG size of output: 2182 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:58:02,590 WARN L228 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 1503 DAG size of output: 1503 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:58:30,322 WARN L228 SmtUtils]: Spent 20.09s on a formula simplification. DAG size of input: 1501 DAG size of output: 1501 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:58:48,182 WARN L228 SmtUtils]: Spent 9.05s on a formula simplification. DAG size of input: 1331 DAG size of output: 1331 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:59:03,090 WARN L228 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 1329 DAG size of output: 1329 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:59:23,050 WARN L228 SmtUtils]: Spent 14.39s on a formula simplification. DAG size of input: 1287 DAG size of output: 1287 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:59:42,956 WARN L228 SmtUtils]: Spent 14.54s on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 03:59:57,550 WARN L228 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 04:00:19,424 WARN L228 SmtUtils]: Spent 14.63s on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 04:00:33,828 WARN L228 SmtUtils]: Spent 8.99s on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-11 04:00:44,831 WARN L228 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2022-02-11 04:09:58,814 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:09:58,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:09:58,817 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-02-11 04:09:58,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 04:09:58,832 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:09:58,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-11 04:09:59,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-02-11 04:09:59,038 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 279 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-11 04:09:59,040 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 04:09:59,040 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 04:09:59,040 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 04:09:59,054 INFO L733 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-11 04:09:59,055 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 04:09:59,055 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 04:09:59,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 04:09:59 BasicIcfg [2022-02-11 04:09:59,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 04:09:59,057 INFO L158 Benchmark]: Toolchain (without parser) took 854485.46ms. Allocated memory was 210.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 154.7MB in the beginning and 703.0MB in the end (delta: -548.2MB). Peak memory consumption was 829.1MB. Max. memory is 8.0GB. [2022-02-11 04:09:59,057 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 04:09:59,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.73ms. Allocated memory was 210.8MB in the beginning and 294.6MB in the end (delta: 83.9MB). Free memory was 154.5MB in the beginning and 263.1MB in the end (delta: -108.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-02-11 04:09:59,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.65ms. Allocated memory is still 294.6MB. Free memory was 263.1MB in the beginning and 260.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 04:09:59,058 INFO L158 Benchmark]: Boogie Preprocessor took 51.89ms. Allocated memory is still 294.6MB. Free memory was 260.5MB in the beginning and 258.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 04:09:59,058 INFO L158 Benchmark]: RCFGBuilder took 589.00ms. Allocated memory is still 294.6MB. Free memory was 258.4MB in the beginning and 219.1MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-02-11 04:09:59,058 INFO L158 Benchmark]: TraceAbstraction took 853559.33ms. Allocated memory was 294.6MB in the beginning and 1.2GB in the end (delta: 918.6MB). Free memory was 218.5MB in the beginning and 703.0MB in the end (delta: -484.4MB). Peak memory consumption was 809.1MB. Max. memory is 8.0GB. [2022-02-11 04:09:59,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.73ms. Allocated memory was 210.8MB in the beginning and 294.6MB in the end (delta: 83.9MB). Free memory was 154.5MB in the beginning and 263.1MB in the end (delta: -108.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.65ms. Allocated memory is still 294.6MB. Free memory was 263.1MB in the beginning and 260.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.89ms. Allocated memory is still 294.6MB. Free memory was 260.5MB in the beginning and 258.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 589.00ms. Allocated memory is still 294.6MB. Free memory was 258.4MB in the beginning and 219.1MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 853559.33ms. Allocated memory was 294.6MB in the beginning and 1.2GB in the end (delta: 918.6MB). Free memory was 218.5MB in the beginning and 703.0MB in the end (delta: -484.4MB). Peak memory consumption was 809.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 70118, positive: 58836, positive conditional: 55025, positive unconditional: 3811, negative: 11282, negative conditional: 11244, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59068, positive: 58836, positive conditional: 55025, positive unconditional: 3811, negative: 232, negative conditional: 194, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 59068, positive: 58836, positive conditional: 55025, positive unconditional: 3811, negative: 232, negative conditional: 194, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63886, positive: 58836, positive conditional: 54495, positive unconditional: 4341, negative: 5050, negative conditional: 4818, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63886, positive: 58836, positive conditional: 10019, positive unconditional: 48817, negative: 5050, negative conditional: 1777, negative unconditional: 3273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63886, positive: 58836, positive conditional: 10019, positive unconditional: 48817, negative: 5050, negative conditional: 1777, negative unconditional: 3273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3054, positive: 2907, positive conditional: 91, positive unconditional: 2816, negative: 147, negative conditional: 109, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3054, positive: 2811, positive conditional: 0, positive unconditional: 2811, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 243, positive: 96, positive conditional: 91, positive unconditional: 5, negative: 147, negative conditional: 109, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 566, positive: 205, positive conditional: 193, positive unconditional: 11, negative: 362, negative conditional: 250, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63886, positive: 55929, positive conditional: 9928, positive unconditional: 46001, negative: 4903, negative conditional: 1668, negative unconditional: 3235, unknown: 3054, unknown conditional: 200, unknown unconditional: 2854] , Statistics on independence cache: Total cache size (in pairs): 3054, Positive cache size: 2907, Positive conditional cache size: 91, Positive unconditional cache size: 2816, Negative cache size: 147, Negative conditional cache size: 109, Negative unconditional cache size: 38, Eliminated conditions: 47517, Maximal queried relation: 16, Independence queries for same thread: 11050 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 827, Number of trivial persistent sets: 621, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3849, positive: 3811, positive conditional: 0, positive unconditional: 3811, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 70118, positive: 58836, positive conditional: 55025, positive unconditional: 3811, negative: 11282, negative conditional: 11244, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59068, positive: 58836, positive conditional: 55025, positive unconditional: 3811, negative: 232, negative conditional: 194, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 59068, positive: 58836, positive conditional: 55025, positive unconditional: 3811, negative: 232, negative conditional: 194, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63886, positive: 58836, positive conditional: 54495, positive unconditional: 4341, negative: 5050, negative conditional: 4818, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63886, positive: 58836, positive conditional: 10019, positive unconditional: 48817, negative: 5050, negative conditional: 1777, negative unconditional: 3273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63886, positive: 58836, positive conditional: 10019, positive unconditional: 48817, negative: 5050, negative conditional: 1777, negative unconditional: 3273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3054, positive: 2907, positive conditional: 91, positive unconditional: 2816, negative: 147, negative conditional: 109, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3054, positive: 2811, positive conditional: 0, positive unconditional: 2811, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 243, positive: 96, positive conditional: 91, positive unconditional: 5, negative: 147, negative conditional: 109, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 566, positive: 205, positive conditional: 193, positive unconditional: 11, negative: 362, negative conditional: 250, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63886, positive: 55929, positive conditional: 9928, positive unconditional: 46001, negative: 4903, negative conditional: 1668, negative unconditional: 3235, unknown: 3054, unknown conditional: 200, unknown unconditional: 2854] , Statistics on independence cache: Total cache size (in pairs): 3054, Positive cache size: 2907, Positive conditional cache size: 91, Positive unconditional cache size: 2816, Negative cache size: 147, Negative conditional cache size: 109, Negative unconditional cache size: 38, Eliminated conditions: 47517, Maximal queried relation: 16, Independence queries for same thread: 11050 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 279 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 156]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 279 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 279 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 155]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 279 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 284 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 853.4s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 18.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 430, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 7723 NumberOfCodeBlocks, 7723 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 9758 ConstructedInterpolants, 153 QuantifiedInterpolants, 76970 SizeOfPredicates, 166 NumberOfNonLiveVariables, 5430 ConjunctsInSsa, 246 ConjunctsInUnsatCore, 44 InterpolantComputations, 16 PerfectInterpolantSequences, 638/880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown