/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 06:46:14,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 06:46:14,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 06:46:14,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 06:46:14,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 06:46:14,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 06:46:14,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 06:46:14,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 06:46:14,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 06:46:14,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 06:46:14,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 06:46:14,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 06:46:14,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 06:46:14,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 06:46:14,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 06:46:14,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 06:46:14,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 06:46:14,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 06:46:14,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 06:46:14,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 06:46:14,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 06:46:14,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 06:46:14,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 06:46:14,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 06:46:14,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 06:46:14,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 06:46:14,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 06:46:14,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 06:46:14,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 06:46:14,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 06:46:14,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 06:46:14,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 06:46:14,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 06:46:14,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 06:46:14,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 06:46:14,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 06:46:14,867 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-NewStatesSleep-NoLbe.epf [2022-02-09 06:46:14,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 06:46:14,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 06:46:14,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 06:46:14,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 06:46:14,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 06:46:14,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 06:46:14,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 06:46:14,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 06:46:14,886 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 06:46:14,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 06:46:14,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 06:46:14,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 06:46:14,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:46:14,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 06:46:14,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 06:46:14,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 06:46:14,889 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 06:46:14,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 06:46:15,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 06:46:15,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 06:46:15,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 06:46:15,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 06:46:15,075 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 06:46:15,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2022-02-09 06:46:15,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9008ccb/dfe5d49e11f74e7fbf3113178b600831/FLAGb8cf83e37 [2022-02-09 06:46:15,482 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 06:46:15,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2022-02-09 06:46:15,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9008ccb/dfe5d49e11f74e7fbf3113178b600831/FLAGb8cf83e37 [2022-02-09 06:46:15,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9008ccb/dfe5d49e11f74e7fbf3113178b600831 [2022-02-09 06:46:15,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 06:46:15,900 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 06:46:15,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 06:46:15,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 06:46:15,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 06:46:15,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:46:15" (1/1) ... [2022-02-09 06:46:15,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40440537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:15, skipping insertion in model container [2022-02-09 06:46:15,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:46:15" (1/1) ... [2022-02-09 06:46:15,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 06:46:15,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 06:46:16,112 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-counter-fun.wvr.c[2681,2694] [2022-02-09 06:46:16,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:46:16,125 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 06:46:16,147 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-counter-fun.wvr.c[2681,2694] [2022-02-09 06:46:16,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:46:16,161 INFO L208 MainTranslator]: Completed translation [2022-02-09 06:46:16,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16 WrapperNode [2022-02-09 06:46:16,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 06:46:16,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 06:46:16,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 06:46:16,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 06:46:16,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,198 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 193 [2022-02-09 06:46:16,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 06:46:16,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 06:46:16,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 06:46:16,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 06:46:16,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 06:46:16,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 06:46:16,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 06:46:16,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 06:46:16,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (1/1) ... [2022-02-09 06:46:16,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:46:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:16,274 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) [2022-02-09 06:46:16,285 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 [2022-02-09 06:46:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 06:46:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 06:46:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 06:46:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 06:46:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 06:46:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 06:46:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 06:46:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 06:46:16,313 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 06:46:16,385 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 06:46:16,387 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 06:46:16,699 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 06:46:16,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 06:46:16,820 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-09 06:46:16,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:46:16 BoogieIcfgContainer [2022-02-09 06:46:16,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 06:46:16,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 06:46:16,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 06:46:16,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 06:46:16,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:46:15" (1/3) ... [2022-02-09 06:46:16,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792e176a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:46:16, skipping insertion in model container [2022-02-09 06:46:16,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:46:16" (2/3) ... [2022-02-09 06:46:16,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792e176a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:46:16, skipping insertion in model container [2022-02-09 06:46:16,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:46:16" (3/3) ... [2022-02-09 06:46:16,835 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2022-02-09 06:46:16,843 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 06:46:16,843 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 06:46:16,843 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 06:46:16,843 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 06:46:16,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,898 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,899 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,916 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,916 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,916 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,916 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,916 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,919 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,919 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,919 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,919 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,923 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:16,925 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 06:46:16,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 06:46:16,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:16,972 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) [2022-02-09 06:46:16,973 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 [2022-02-09 06:46:17,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 06:46:17,016 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 06:46:17,016 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 06:46:17,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:17,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1604587002, now seen corresponding path program 1 times [2022-02-09 06:46:17,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:17,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677711343] [2022-02-09 06:46:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:17,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:46:17,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:17,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677711343] [2022-02-09 06:46:17,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677711343] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:46:17,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:46:17,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 06:46:17,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027356791] [2022-02-09 06:46:17,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:46:17,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 06:46:17,337 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:17,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 06:46:17,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 06:46:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,359 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:17,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 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) [2022-02-09 06:46:17,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 06:46:17,383 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:17,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:17,383 INFO L85 PathProgramCache]: Analyzing trace with hash -505727498, now seen corresponding path program 1 times [2022-02-09 06:46:17,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:17,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328330787] [2022-02-09 06:46:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:17,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:46:17,649 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:17,649 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328330787] [2022-02-09 06:46:17,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328330787] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:46:17,649 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:46:17,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 06:46:17,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103066676] [2022-02-09 06:46:17,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:46:17,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 06:46:17,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:17,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 06:46:17,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 06:46:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:17,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2022-02-09 06:46:17,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:17,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 06:46:17,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:17,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash 462920232, now seen corresponding path program 1 times [2022-02-09 06:46:17,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:17,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172585618] [2022-02-09 06:46:17,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:17,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:46:17,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:17,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172585618] [2022-02-09 06:46:17,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172585618] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:46:17,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:46:17,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 06:46:17,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411684855] [2022-02-09 06:46:17,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:46:17,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 06:46:17,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 06:46:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-09 06:46:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:17,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2022-02-09 06:46:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:17,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:17,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 06:46:17,978 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash 225480998, now seen corresponding path program 1 times [2022-02-09 06:46:17,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:17,979 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388982614] [2022-02-09 06:46:17,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:17,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:46:18,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:18,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388982614] [2022-02-09 06:46:18,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388982614] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:18,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117984624] [2022-02-09 06:46:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:18,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:18,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:18,076 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) [2022-02-09 06:46:18,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 06:46:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:18,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-09 06:46:18,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:46:18,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 06:46:18,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117984624] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:46:18,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 06:46:18,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-02-09 06:46:18,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209258486] [2022-02-09 06:46:18,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:46:18,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 06:46:18,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:18,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 06:46:18,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-09 06:46:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:18,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:18,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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) [2022-02-09 06:46:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:18,883 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,883 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,939 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,939 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,939 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:18,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 06:46:19,194 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,SelfDestructingSolverStorable3 [2022-02-09 06:46:19,195 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:19,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:19,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1669449221, now seen corresponding path program 1 times [2022-02-09 06:46:19,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:19,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808974956] [2022-02-09 06:46:19,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:19,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:46:19,267 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:19,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808974956] [2022-02-09 06:46:19,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808974956] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:19,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825166855] [2022-02-09 06:46:19,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:19,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:19,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:19,283 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) [2022-02-09 06:46:19,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 06:46:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:19,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 06:46:19,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:46:19,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:46:19,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825166855] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:19,693 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:19,693 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-02-09 06:46:19,693 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658532963] [2022-02-09 06:46:19,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:19,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 06:46:19,694 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:19,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 06:46:19,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-09 06:46:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:19,696 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:19,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 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) [2022-02-09 06:46:19,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:19,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:19,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:19,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:19,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:19,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 06:46:19,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:19,975 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:19,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1790923075, now seen corresponding path program 1 times [2022-02-09 06:46:19,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:19,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138978315] [2022-02-09 06:46:19,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:19,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:20,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:20,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138978315] [2022-02-09 06:46:20,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138978315] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:46:20,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:46:20,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:46:20,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021598886] [2022-02-09 06:46:20,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:46:20,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:46:20,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:20,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:46:20,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:46:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:20,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:20,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2022-02-09 06:46:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:20,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,149 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,173 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,174 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,174 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 06:46:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:20,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 06:46:20,196 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:20,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:20,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1683816198, now seen corresponding path program 1 times [2022-02-09 06:46:20,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:20,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441541810] [2022-02-09 06:46:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:20,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:46:20,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:20,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441541810] [2022-02-09 06:46:20,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441541810] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:20,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696851391] [2022-02-09 06:46:20,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:20,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:20,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:20,352 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) [2022-02-09 06:46:20,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 06:46:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:20,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 06:46:20,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:20,736 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-09 06:46:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:20,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:20,818 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2022-02-09 06:46:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:21,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696851391] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:21,085 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:21,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 20 [2022-02-09 06:46:21,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5542238] [2022-02-09 06:46:21,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:21,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 06:46:21,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:21,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 06:46:21,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-02-09 06:46:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:21,088 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:21,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.35) internal successors, (187), 20 states have internal predecessors, (187), 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) [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:21,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,358 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,376 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,378 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,378 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:21,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:21,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:21,637 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:21,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:21,638 INFO L85 PathProgramCache]: Analyzing trace with hash -168949724, now seen corresponding path program 2 times [2022-02-09 06:46:21,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:21,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322268614] [2022-02-09 06:46:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:21,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:21,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:21,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322268614] [2022-02-09 06:46:21,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322268614] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:21,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996526851] [2022-02-09 06:46:21,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:46:21,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:21,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:21,721 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) [2022-02-09 06:46:21,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 06:46:21,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 06:46:21,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:21,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 06:46:21,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:22,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:22,287 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996526851] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:22,287 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:22,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-09 06:46:22,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414130679] [2022-02-09 06:46:22,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:22,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-09 06:46:22,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:22,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-09 06:46:22,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-02-09 06:46:22,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:22,289 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:22,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 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) [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:22,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:22,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:22,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 06:46:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 06:46:22,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:22,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:22,720 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:22,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:22,720 INFO L85 PathProgramCache]: Analyzing trace with hash -841678544, now seen corresponding path program 3 times [2022-02-09 06:46:22,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:22,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805408311] [2022-02-09 06:46:22,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:22,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:46:22,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:22,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805408311] [2022-02-09 06:46:22,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805408311] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:22,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567588537] [2022-02-09 06:46:22,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 06:46:22,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:22,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:22,864 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) [2022-02-09 06:46:22,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 06:46:22,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-09 06:46:22,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:22,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 06:46:22,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:23,205 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-09 06:46:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-09 06:46:23,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:23,441 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-09 06:46:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-09 06:46:23,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567588537] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:23,735 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:23,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 27 [2022-02-09 06:46:23,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979736086] [2022-02-09 06:46:23,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:23,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-09 06:46:23,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-09 06:46:23,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-02-09 06:46:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:23,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:23,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.777777777777779) internal successors, (264), 27 states have internal predecessors, (264), 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) [2022-02-09 06:46:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 06:46:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 06:46:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:24,224 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,224 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,355 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,356 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,356 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,356 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,364 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,364 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,365 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,365 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,365 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,365 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,422 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,422 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,422 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,423 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,423 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,423 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,749 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,750 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,750 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,750 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,750 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,751 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,970 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,970 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:24,970 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,258 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,258 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,259 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,259 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,259 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,259 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,269 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,373 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,373 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,373 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,378 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,378 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,378 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,382 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,382 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,382 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,391 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,391 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,391 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,395 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,395 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,395 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,416 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,416 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,416 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,601 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,602 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,602 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,602 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,602 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,602 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 06:46:25,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:25,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:25,856 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:25,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:25,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1956676807, now seen corresponding path program 4 times [2022-02-09 06:46:25,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:25,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522535435] [2022-02-09 06:46:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:25,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:25,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:25,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522535435] [2022-02-09 06:46:25,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522535435] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:25,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757181982] [2022-02-09 06:46:25,984 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 06:46:25,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:25,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:26,000 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) [2022-02-09 06:46:26,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 06:46:26,137 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 06:46:26,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-09 06:46:26,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:26,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:26,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757181982] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:26,659 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:26,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2022-02-09 06:46:26,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626091174] [2022-02-09 06:46:26,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:26,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 06:46:26,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:26,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 06:46:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=849, Unknown=0, NotChecked=0, Total=992 [2022-02-09 06:46:26,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:26,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:26,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.75) internal successors, (216), 32 states have internal predecessors, (216), 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) [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 06:46:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 06:46:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 06:46:27,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:27,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:27,500 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:27,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:27,501 INFO L85 PathProgramCache]: Analyzing trace with hash 479670737, now seen corresponding path program 5 times [2022-02-09 06:46:27,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:27,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896642114] [2022-02-09 06:46:27,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:27,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 9 proven. 98 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:46:27,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:27,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896642114] [2022-02-09 06:46:27,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896642114] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:27,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301398913] [2022-02-09 06:46:27,724 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 06:46:27,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:27,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:27,734 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) [2022-02-09 06:46:27,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 06:46:27,858 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-09 06:46:27,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:27,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-09 06:46:27,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 40 proven. 75 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:28,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-09 06:46:28,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301398913] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:28,717 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:28,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 16] total 45 [2022-02-09 06:46:28,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705385079] [2022-02-09 06:46:28,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:28,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-09 06:46:28,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:28,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-09 06:46:28,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1746, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 06:46:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:28,719 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:28,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.622222222222222) internal successors, (253), 45 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-09 06:46:28,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:33,031 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,032 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,032 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,513 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:33,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,085 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,086 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,086 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,086 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,086 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,087 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,094 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,094 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,094 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,095 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,095 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,095 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,807 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,807 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,807 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,824 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,824 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,824 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,841 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,841 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:34,841 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:35,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:35,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 06:46:35,291 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:35,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1105114349, now seen corresponding path program 6 times [2022-02-09 06:46:35,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:35,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459827176] [2022-02-09 06:46:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:35,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:35,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:35,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459827176] [2022-02-09 06:46:35,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459827176] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:35,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881669693] [2022-02-09 06:46:35,383 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 06:46:35,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:35,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:35,400 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) [2022-02-09 06:46:35,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 06:46:35,544 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-09 06:46:35,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:35,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 06:46:35,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:35,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:36,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881669693] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:36,041 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:36,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-09 06:46:36,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776091515] [2022-02-09 06:46:36,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:36,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-09 06:46:36,042 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:36,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-09 06:46:36,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-02-09 06:46:36,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:36,043 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:36,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.125) internal successors, (162), 16 states have internal predecessors, (162), 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) [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:36,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-02-09 06:46:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:36,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 06:46:36,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:36,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:36,477 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:36,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:36,477 INFO L85 PathProgramCache]: Analyzing trace with hash -266948849, now seen corresponding path program 7 times [2022-02-09 06:46:36,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:36,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759852161] [2022-02-09 06:46:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:36,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:46:36,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:36,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759852161] [2022-02-09 06:46:36,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759852161] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:36,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377656556] [2022-02-09 06:46:36,932 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 06:46:36,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:36,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:36,933 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) [2022-02-09 06:46:36,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 06:46:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:37,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-09 06:46:37,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:37,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 06:46:37,495 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:46:37,495 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 28 treesize of output 13 [2022-02-09 06:46:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-09 06:46:37,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:37,685 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:46:37,685 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 35 treesize of output 27 [2022-02-09 06:46:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-09 06:46:38,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377656556] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:38,022 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:38,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 12] total 29 [2022-02-09 06:46:38,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198733273] [2022-02-09 06:46:38,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:38,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 06:46:38,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 06:46:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2022-02-09 06:46:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:38,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:38,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 29 states have internal predecessors, (232), 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) [2022-02-09 06:46:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-09 06:46:38,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:38,718 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,718 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,718 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,727 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,727 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,727 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,843 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,853 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,853 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,853 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,859 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,860 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,860 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,860 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,861 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:38,861 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 06:46:39,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 06:46:39,344 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,SelfDestructingSolverStorable12 [2022-02-09 06:46:39,345 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 622665187, now seen corresponding path program 8 times [2022-02-09 06:46:39,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:39,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610365169] [2022-02-09 06:46:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:39,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:39,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:39,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610365169] [2022-02-09 06:46:39,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610365169] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:39,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410416376] [2022-02-09 06:46:39,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:46:39,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:39,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:39,416 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) [2022-02-09 06:46:39,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 06:46:39,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 06:46:39,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:39,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 06:46:39,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:39,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:40,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410416376] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:40,019 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:40,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-02-09 06:46:40,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462674830] [2022-02-09 06:46:40,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:40,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-09 06:46:40,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:40,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-09 06:46:40,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2022-02-09 06:46:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:40,021 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:40,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 21 states have internal predecessors, (173), 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) [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 06:46:40,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:40,348 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,348 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,348 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,349 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,349 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,349 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,356 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,356 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,356 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,357 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,371 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,376 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,376 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 06:46:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 06:46:40,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-09 06:46:40,597 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,SelfDestructingSolverStorable13 [2022-02-09 06:46:40,597 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:40,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:40,598 INFO L85 PathProgramCache]: Analyzing trace with hash -907719401, now seen corresponding path program 9 times [2022-02-09 06:46:40,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:40,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671911908] [2022-02-09 06:46:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:40,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:40,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:40,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671911908] [2022-02-09 06:46:40,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671911908] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:40,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479395154] [2022-02-09 06:46:40,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 06:46:40,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:40,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:40,744 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) [2022-02-09 06:46:40,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 06:46:40,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 06:46:40,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:40,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 06:46:40,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-09 06:46:41,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-09 06:46:41,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479395154] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:41,452 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:41,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 10] total 25 [2022-02-09 06:46:41,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008467019] [2022-02-09 06:46:41,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:41,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-09 06:46:41,453 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:41,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-09 06:46:41,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2022-02-09 06:46:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:41,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:41,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.4) internal successors, (185), 25 states have internal predecessors, (185), 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) [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 06:46:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:41,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:41,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:41,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:41,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:41,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:41,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,313 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,313 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,313 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,469 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,469 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,469 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,474 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,474 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,474 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:42,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 06:46:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:42,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:46:42,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-09 06:46:42,720 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,SelfDestructingSolverStorable14 [2022-02-09 06:46:42,720 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:46:42,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:46:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1308320549, now seen corresponding path program 10 times [2022-02-09 06:46:42,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:46:42,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700609829] [2022-02-09 06:46:42,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:46:42,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:46:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:46:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:46:43,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:46:43,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700609829] [2022-02-09 06:46:43,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700609829] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:46:43,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076311903] [2022-02-09 06:46:43,191 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 06:46:43,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:46:43,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:46:43,192 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:46:43,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 06:46:43,321 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 06:46:43,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:46:43,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-09 06:46:43,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:46:43,970 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 [2022-02-09 06:46:44,249 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 [2022-02-09 06:46:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 06:46:44,377 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-02-09 06:46:44,377 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 36 [2022-02-09 06:46:44,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-02-09 06:46:44,475 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-09 06:46:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:46:44,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:46:45,307 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:46:45,308 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 157 treesize of output 97 [2022-02-09 06:46:45,327 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:46:45,328 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 368 treesize of output 326 [2022-02-09 06:46:45,348 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:46:45,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 305 treesize of output 278 [2022-02-09 06:46:45,363 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:46:45,363 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 116 treesize of output 109 [2022-02-09 06:46:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:46:46,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076311903] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:46:46,232 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:46:46,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 52 [2022-02-09 06:46:46,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654834716] [2022-02-09 06:46:46,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:46:46,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-02-09 06:46:46,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:46:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-02-09 06:46:46,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2374, Unknown=23, NotChecked=0, Total=2652 [2022-02-09 06:46:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:46,236 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:46:46,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 6.673076923076923) internal successors, (347), 52 states have internal predecessors, (347), 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) [2022-02-09 06:46:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:46,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:46:46,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:46:47,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,460 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,461 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,461 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,461 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,461 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,462 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,485 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,486 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,486 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,491 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,491 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,491 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,495 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,496 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:46:47,496 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:47:03,853 WARN L228 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:47:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:47:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:47:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:47:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:47:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:47:29,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 06:47:29,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-09 06:47:29,624 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:47:29,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:47:29,624 INFO L85 PathProgramCache]: Analyzing trace with hash -156868938, now seen corresponding path program 11 times [2022-02-09 06:47:29,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:47:29,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742331641] [2022-02-09 06:47:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:47:29,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:47:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:47:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:47:37,437 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:47:37,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742331641] [2022-02-09 06:47:37,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742331641] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:47:37,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184895147] [2022-02-09 06:47:37,438 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 06:47:37,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:47:37,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:47:37,439 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:47:37,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 06:47:37,583 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-09 06:47:37,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:47:37,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 51 conjunts are in the unsatisfiable core [2022-02-09 06:47:37,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:47:45,841 INFO L353 Elim1Store]: treesize reduction 79, result has 27.5 percent of original size [2022-02-09 06:47:45,841 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 54 [2022-02-09 06:47:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-09 06:47:46,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:47:47,529 INFO L353 Elim1Store]: treesize reduction 53, result has 53.9 percent of original size [2022-02-09 06:47:47,529 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 92 treesize of output 105 [2022-02-09 06:47:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:47:48,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184895147] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:47:48,975 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:47:48,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 21, 9] total 53 [2022-02-09 06:47:48,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329998691] [2022-02-09 06:47:48,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:47:48,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-09 06:47:48,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:47:48,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-09 06:47:48,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=2481, Unknown=0, NotChecked=0, Total=2756 [2022-02-09 06:47:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:47:48,977 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:47:48,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.132075471698113) internal successors, (378), 53 states have internal predecessors, (378), 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) [2022-02-09 06:47:48,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:47:48,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:48:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 06:48:06,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-09 06:48:06,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:48:06,803 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:48:06,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:48:06,803 INFO L85 PathProgramCache]: Analyzing trace with hash -685250200, now seen corresponding path program 12 times [2022-02-09 06:48:06,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:48:06,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559743083] [2022-02-09 06:48:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:48:06,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:48:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:48:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:48:07,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:48:07,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559743083] [2022-02-09 06:48:07,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559743083] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:48:07,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150734400] [2022-02-09 06:48:07,527 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 06:48:07,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:48:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:48:07,528 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:48:07,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 06:48:07,779 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-09 06:48:07,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:48:07,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 06:48:07,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:48:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:48:09,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:48:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:48:09,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150734400] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:48:09,918 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:48:09,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-02-09 06:48:09,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610412660] [2022-02-09 06:48:09,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:48:09,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-09 06:48:09,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:48:09,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-09 06:48:09,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-02-09 06:48:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:09,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:48:09,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.045454545454545) internal successors, (177), 22 states have internal predecessors, (177), 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) [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 06:48:09,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:48:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:48:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 06:48:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:12,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-09 06:48:13,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-09 06:48:13,002 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:48:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:48:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash -642860314, now seen corresponding path program 13 times [2022-02-09 06:48:13,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:48:13,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097982628] [2022-02-09 06:48:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:48:13,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:48:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:48:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:48:13,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:48:13,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097982628] [2022-02-09 06:48:13,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097982628] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:48:13,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029758659] [2022-02-09 06:48:13,813 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 06:48:13,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:48:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:48:13,814 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:48:13,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 06:48:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:48:13,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 06:48:13,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:48:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:48:15,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:48:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 06:48:16,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029758659] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:48:16,084 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:48:16,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-02-09 06:48:16,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221662486] [2022-02-09 06:48:16,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:48:16,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-09 06:48:16,085 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:48:16,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-09 06:48:16,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2022-02-09 06:48:16,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:16,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:48:16,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.045454545454545) internal successors, (177), 22 states have internal predecessors, (177), 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) [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:16,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 06:48:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-09 06:48:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:48:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 06:48:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 06:48:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 06:48:19,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-09 06:48:19,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:48:19,727 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 06:48:19,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:48:19,727 INFO L85 PathProgramCache]: Analyzing trace with hash -387863752, now seen corresponding path program 14 times [2022-02-09 06:48:19,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:48:19,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344827666] [2022-02-09 06:48:19,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:48:19,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:48:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:48:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:48:36,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:48:36,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344827666] [2022-02-09 06:48:36,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344827666] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:48:36,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403485660] [2022-02-09 06:48:36,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:48:36,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:48:36,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:48:36,979 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 06:48:36,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 06:48:37,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 06:48:37,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:48:37,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 125 conjunts are in the unsatisfiable core [2022-02-09 06:48:37,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:48:39,492 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 [2022-02-09 06:48:42,882 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 [2022-02-09 06:48:49,633 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-09 06:48:49,633 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 [2022-02-09 06:48:52,064 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 [2022-02-09 06:48:54,171 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 [2022-02-09 06:49:00,028 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 [2022-02-09 06:49:01,175 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 [2022-02-09 06:49:09,030 INFO L353 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2022-02-09 06:49:09,031 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 249 treesize of output 95 [2022-02-09 06:49:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 06:49:09,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:49:28,583 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:49:28,583 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1421 treesize of output 992 [2022-02-09 06:50:00,479 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:50:00,480 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 1255 treesize of output 763 [2022-02-09 06:50:00,815 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:50:00,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 39663 treesize of output 36879 [2022-02-09 06:54:11,778 WARN L228 SmtUtils]: Spent 4.18m on a formula simplification. DAG size of input: 1088 DAG size of output: 1072 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-09 06:54:11,781 INFO L353 Elim1Store]: treesize reduction 224, result has 95.0 percent of original size [2022-02-09 06:54:11,783 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 36 new quantified variables, introduced 253 case distinctions, treesize of input 36831 treesize of output 32487 [2022-02-09 06:54:14,771 INFO L244 Elim1Store]: Index analysis took 839 ms [2022-02-09 06:57:42,621 WARN L228 SmtUtils]: Spent 3.46m on a formula simplification. DAG size of input: 1088 DAG size of output: 1072 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-09 06:57:42,624 INFO L353 Elim1Store]: treesize reduction 305, result has 92.9 percent of original size [2022-02-09 06:57:42,626 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 36 new quantified variables, introduced 253 case distinctions, treesize of input 32961 treesize of output 29433 [2022-02-09 06:57:48,579 INFO L244 Elim1Store]: Index analysis took 1053 ms Received shutdown request... [2022-02-09 07:00:44,892 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 [2022-02-09 07:00:44,901 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 07:00:44,915 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 [2022-02-09 07:00:44,981 WARN L244 SmtUtils]: Removed 154 from assertion stack [2022-02-09 07:00:44,984 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-09 07:00:45,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 07:00:45,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 07:00:45,185 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 176378ms.. [2022-02-09 07:00:45,186 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 07:00:45,186 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-09 07:00:45,191 INFO L732 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2022-02-09 07:00:45,192 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 07:00:45,192 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 07:00:45,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:00:45 BasicIcfg [2022-02-09 07:00:45,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 07:00:45,194 INFO L158 Benchmark]: Toolchain (without parser) took 869293.78ms. Allocated memory was 169.9MB in the beginning and 576.7MB in the end (delta: 406.8MB). Free memory was 119.1MB in the beginning and 461.5MB in the end (delta: -342.4MB). Peak memory consumption was 391.7MB. Max. memory is 8.0GB. [2022-02-09 07:00:45,194 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 07:00:45,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.28ms. Allocated memory is still 169.9MB. Free memory was 118.8MB in the beginning and 143.6MB in the end (delta: -24.8MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-02-09 07:00:45,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.00ms. Allocated memory is still 169.9MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 07:00:45,194 INFO L158 Benchmark]: Boogie Preprocessor took 26.43ms. Allocated memory is still 169.9MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 07:00:45,194 INFO L158 Benchmark]: RCFGBuilder took 595.15ms. Allocated memory is still 169.9MB. Free memory was 140.0MB in the beginning and 111.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-09 07:00:45,194 INFO L158 Benchmark]: TraceAbstraction took 868367.63ms. Allocated memory was 169.9MB in the beginning and 576.7MB in the end (delta: 406.8MB). Free memory was 110.6MB in the beginning and 461.5MB in the end (delta: -350.9MB). Peak memory consumption was 384.2MB. Max. memory is 8.0GB. [2022-02-09 07:00:45,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 259.28ms. Allocated memory is still 169.9MB. Free memory was 118.8MB in the beginning and 143.6MB in the end (delta: -24.8MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.00ms. Allocated memory is still 169.9MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.43ms. Allocated memory is still 169.9MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 595.15ms. Allocated memory is still 169.9MB. Free memory was 140.0MB in the beginning and 111.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 868367.63ms. Allocated memory was 169.9MB in the beginning and 576.7MB in the end (delta: 406.8MB). Free memory was 110.6MB in the beginning and 461.5MB in the end (delta: -350.9MB). Peak memory consumption was 384.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47162, positive: 38612, positive conditional: 38612, positive unconditional: 0, negative: 8550, negative conditional: 8550, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38718, positive: 38612, positive conditional: 38612, positive unconditional: 0, negative: 106, negative conditional: 106, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 38718, positive: 38612, positive conditional: 38612, positive unconditional: 0, negative: 106, negative conditional: 106, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39885, positive: 38612, positive conditional: 38538, positive unconditional: 74, negative: 1273, negative conditional: 1167, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39885, positive: 38612, positive conditional: 20491, positive unconditional: 18121, negative: 1273, negative conditional: 527, negative unconditional: 746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39885, positive: 38612, positive conditional: 20491, positive unconditional: 18121, negative: 1273, negative conditional: 527, negative unconditional: 746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1190, positive: 1150, positive conditional: 907, positive unconditional: 243, negative: 40, negative conditional: 38, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1190, positive: 1138, positive conditional: 0, positive unconditional: 1138, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 40, negative conditional: 38, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 445, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 306, negative conditional: 294, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39885, positive: 37462, positive conditional: 19584, positive unconditional: 17878, negative: 1233, negative conditional: 489, negative unconditional: 744, unknown: 1190, unknown conditional: 945, unknown unconditional: 245] , Statistics on independence cache: Total cache size (in pairs): 1190, Positive cache size: 1150, Positive conditional cache size: 907, Positive unconditional cache size: 243, Negative cache size: 40, Negative conditional cache size: 38, Negative unconditional cache size: 2, Eliminated conditions: 18687, Maximal queried relation: 15, Independence queries for same thread: 8444 - 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: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 176378ms.. - TimeoutResultAtElement [Line: 82]: 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 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 176378ms.. - TimeoutResultAtElement [Line: 83]: 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 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 176378ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 173 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 868.2s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 80.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 746, 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, 1.3s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 5121 NumberOfCodeBlocks, 5079 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 7267 ConstructedInterpolants, 47 QuantifiedInterpolants, 26186 SizeOfPredicates, 210 NumberOfNonLiveVariables, 5384 ConjunctsInSsa, 263 ConjunctsInUnsatCore, 48 InterpolantComputations, 5 PerfectInterpolantSequences, 671/1338 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