/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 22:53:47,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 22:53:47,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 22:53:47,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 22:53:47,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 22:53:47,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 22:53:47,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 22:53:47,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 22:53:47,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 22:53:47,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 22:53:47,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 22:53:47,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 22:53:47,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 22:53:47,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 22:53:47,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 22:53:47,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 22:53:47,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 22:53:47,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 22:53:47,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 22:53:47,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 22:53:47,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 22:53:47,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 22:53:47,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 22:53:47,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 22:53:47,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 22:53:47,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 22:53:47,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 22:53:47,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 22:53:47,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 22:53:47,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 22:53:47,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 22:53:47,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 22:53:47,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 22:53:47,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 22:53:47,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 22:53:47,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 22:53:47,227 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-15 22:53:47,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 22:53:47,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 22:53:47,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 22:53:47,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 22:53:47,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 22:53:47,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 22:53:47,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 22:53:47,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 22:53:47,247 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 22:53:47,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 22:53:47,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 22:53:47,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 22:53:47,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 22:53:47,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 22:53:47,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 22:53:47,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 22:53:47,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 22:53:47,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 22:53:47,251 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-15 22:53:47,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-15 22:53:47,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 22:53:47,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 22:53:47,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 22:53:47,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 22:53:47,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 22:53:47,488 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 22:53:47,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-02-15 22:53:47,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59664a6a8/cf5c79574c2844dba467654a4c329bcb/FLAGbf0d0019f [2022-02-15 22:53:47,909 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 22:53:47,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-02-15 22:53:47,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59664a6a8/cf5c79574c2844dba467654a4c329bcb/FLAGbf0d0019f [2022-02-15 22:53:47,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59664a6a8/cf5c79574c2844dba467654a4c329bcb [2022-02-15 22:53:47,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 22:53:47,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 22:53:47,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 22:53:47,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 22:53:47,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 22:53:47,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:53:47" (1/1) ... [2022-02-15 22:53:47,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6c10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:47, skipping insertion in model container [2022-02-15 22:53:47,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:53:47" (1/1) ... [2022-02-15 22:53:47,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 22:53:47,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 22:53:48,135 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/parallel-misc-5.wvr.c[3027,3040] [2022-02-15 22:53:48,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 22:53:48,146 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 22:53:48,174 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/parallel-misc-5.wvr.c[3027,3040] [2022-02-15 22:53:48,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 22:53:48,184 INFO L208 MainTranslator]: Completed translation [2022-02-15 22:53:48,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48 WrapperNode [2022-02-15 22:53:48,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 22:53:48,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 22:53:48,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 22:53:48,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 22:53:48,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,223 INFO L137 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2022-02-15 22:53:48,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 22:53:48,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 22:53:48,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 22:53:48,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 22:53:48,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 22:53:48,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 22:53:48,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 22:53:48,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 22:53:48,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (1/1) ... [2022-02-15 22:53:48,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 22:53:48,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:48,284 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) [2022-02-15 22:53:48,303 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 [2022-02-15 22:53:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 22:53:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-15 22:53:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-15 22:53:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-15 22:53:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-15 22:53:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-15 22:53:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-15 22:53:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 22:53:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 22:53:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 22:53:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 22:53:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 22:53:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 22:53:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 22:53:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 22:53:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 22:53:48,337 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 22:53:48,387 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 22:53:48,388 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 22:53:48,596 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 22:53:48,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 22:53:48,657 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-15 22:53:48,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:53:48 BoogieIcfgContainer [2022-02-15 22:53:48,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 22:53:48,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 22:53:48,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 22:53:48,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 22:53:48,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:53:47" (1/3) ... [2022-02-15 22:53:48,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffd4f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:53:48, skipping insertion in model container [2022-02-15 22:53:48,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:53:48" (2/3) ... [2022-02-15 22:53:48,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffd4f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:53:48, skipping insertion in model container [2022-02-15 22:53:48,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:53:48" (3/3) ... [2022-02-15 22:53:48,665 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2022-02-15 22:53:48,668 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 22:53:48,668 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 22:53:48,668 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 22:53:48,668 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 22:53:48,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,728 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,729 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,732 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,733 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,734 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,748 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,748 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 22:53:48,751 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-15 22:53:48,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 22:53:48,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:48,793 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) [2022-02-15 22:53:48,794 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 [2022-02-15 22:53:48,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-15 22:53:48,825 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 [2022-02-15 22:53:48,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-15 22:53:48,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:48,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash 235255949, now seen corresponding path program 1 times [2022-02-15 22:53:48,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:48,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858380158] [2022-02-15 22:53:48,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:48,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:49,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:49,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858380158] [2022-02-15 22:53:49,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858380158] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 22:53:49,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 22:53:49,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 22:53:49,133 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129563110] [2022-02-15 22:53:49,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 22:53:49,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 22:53:49,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:49,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 22:53:49,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 22:53:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,158 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:49,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-02-15 22:53:49,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 22:53:49,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1504195809, now seen corresponding path program 1 times [2022-02-15 22:53:49,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:49,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649166566] [2022-02-15 22:53:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:49,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:49,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:49,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649166566] [2022-02-15 22:53:49,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649166566] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 22:53:49,486 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 22:53:49,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 22:53:49,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079865203] [2022-02-15 22:53:49,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 22:53:49,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 22:53:49,488 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:49,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 22:53:49,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 22:53:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,489 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:49,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 22:53:49,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:49,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 22:53:49,631 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:49,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:49,632 INFO L85 PathProgramCache]: Analyzing trace with hash -30409401, now seen corresponding path program 1 times [2022-02-15 22:53:49,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:49,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869645789] [2022-02-15 22:53:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:49,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:49,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:49,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869645789] [2022-02-15 22:53:49,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869645789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 22:53:49,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 22:53:49,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 22:53:49,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174274006] [2022-02-15 22:53:49,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 22:53:49,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 22:53:49,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:49,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 22:53:49,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 22:53:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:49,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-02-15 22:53:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:49,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:49,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:49,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 22:53:49,901 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:49,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:49,902 INFO L85 PathProgramCache]: Analyzing trace with hash 64176240, now seen corresponding path program 1 times [2022-02-15 22:53:49,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:49,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137298612] [2022-02-15 22:53:49,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:49,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:50,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:50,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137298612] [2022-02-15 22:53:50,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137298612] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:50,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681976932] [2022-02-15 22:53:50,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:50,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:50,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:50,025 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) [2022-02-15 22:53:50,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 22:53:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:50,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-15 22:53:50,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:53:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:50,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:53:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:50,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681976932] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:53:50,700 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:53:50,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-15 22:53:50,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902981110] [2022-02-15 22:53:50,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:53:50,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-15 22:53:50,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:50,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-15 22:53:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-02-15 22:53:50,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:50,710 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:50,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.052631578947368) internal successors, (153), 19 states have internal predecessors, (153), 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) [2022-02-15 22:53:50,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:50,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:50,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:50,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 22:53:51,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-15 22:53:51,328 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 [2022-02-15 22:53:51,329 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:51,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:51,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1692852880, now seen corresponding path program 1 times [2022-02-15 22:53:51,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:51,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162793866] [2022-02-15 22:53:51,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:51,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 22:53:51,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:51,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162793866] [2022-02-15 22:53:51,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162793866] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:51,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732781331] [2022-02-15 22:53:51,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:51,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:51,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:51,500 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) [2022-02-15 22:53:51,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 22:53:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:51,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-15 22:53:51,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:53:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-15 22:53:51,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:53:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-15 22:53:52,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732781331] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:52,037 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-15 22:53:52,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 7] total 21 [2022-02-15 22:53:52,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486096524] [2022-02-15 22:53:52,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 22:53:52,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 22:53:52,038 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:52,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 22:53:52,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2022-02-15 22:53:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,039 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:52,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2022-02-15 22:53:52,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:52,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:52,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 22:53:52,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 22:53:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:52,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 22:53:52,300 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 [2022-02-15 22:53:52,300 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:52,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:52,301 INFO L85 PathProgramCache]: Analyzing trace with hash 208810837, now seen corresponding path program 2 times [2022-02-15 22:53:52,301 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:52,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594452733] [2022-02-15 22:53:52,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:52,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-02-15 22:53:52,436 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:52,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594452733] [2022-02-15 22:53:52,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594452733] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:52,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778301880] [2022-02-15 22:53:52,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 22:53:52,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:52,438 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) [2022-02-15 22:53:52,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 22:53:52,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 22:53:52,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:53:52,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-15 22:53:52,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:53:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-15 22:53:52,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:53:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-15 22:53:52,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778301880] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:53:52,894 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:53:52,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 7] total 13 [2022-02-15 22:53:52,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539010510] [2022-02-15 22:53:52,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:53:52,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-15 22:53:52,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:52,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-15 22:53:52,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-02-15 22:53:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:52,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 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) [2022-02-15 22:53:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 22:53:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 22:53:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:52,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 22:53:53,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:53,186 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:53,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:53,187 INFO L85 PathProgramCache]: Analyzing trace with hash 815448117, now seen corresponding path program 3 times [2022-02-15 22:53:53,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:53,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806184304] [2022-02-15 22:53:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:53,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 22:53:53,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:53,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806184304] [2022-02-15 22:53:53,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806184304] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:53,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901790079] [2022-02-15 22:53:53,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 22:53:53,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:53,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:53,398 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) [2022-02-15 22:53:53,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 22:53:53,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-02-15 22:53:53,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:53:53,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-15 22:53:53,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:53:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 22:53:53,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:53:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 22:53:54,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901790079] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:53:54,124 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:53:54,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 24 [2022-02-15 22:53:54,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477046119] [2022-02-15 22:53:54,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:53:54,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-15 22:53:54,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:54,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-15 22:53:54,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-02-15 22:53:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:54,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:54,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.75) internal successors, (210), 24 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 22:53:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 22:53:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:54,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 22:53:54,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-15 22:53:55,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:55,039 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:55,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:55,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1287812085, now seen corresponding path program 4 times [2022-02-15 22:53:55,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:55,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015819597] [2022-02-15 22:53:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:55,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 116 proven. 144 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-15 22:53:55,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:55,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015819597] [2022-02-15 22:53:55,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015819597] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:55,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573685781] [2022-02-15 22:53:55,216 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 22:53:55,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:55,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:55,217 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) [2022-02-15 22:53:55,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 22:53:55,329 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 22:53:55,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:53:55,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-15 22:53:55,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:53:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 161 proven. 34 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-15 22:53:55,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:53:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 165 proven. 28 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-02-15 22:53:55,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573685781] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:53:55,884 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:53:55,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 10] total 29 [2022-02-15 22:53:55,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344641816] [2022-02-15 22:53:55,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:53:55,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-15 22:53:55,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:55,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-15 22:53:55,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-02-15 22:53:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:55,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:55,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.517241379310345) internal successors, (276), 29 states have internal predecessors, (276), 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) [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 22:53:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:53:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:53:56,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 22:53:57,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:57,106 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:53:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:53:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash -419483248, now seen corresponding path program 5 times [2022-02-15 22:53:57,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:53:57,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275199800] [2022-02-15 22:53:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:53:57,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:53:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:53:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 329 proven. 333 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-15 22:53:57,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:53:57,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275199800] [2022-02-15 22:53:57,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275199800] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:53:57,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007328274] [2022-02-15 22:53:57,425 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 22:53:57,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:53:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:53:57,427 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) [2022-02-15 22:53:57,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 22:53:57,552 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2022-02-15 22:53:57,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:53:57,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-15 22:53:57,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:53:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 365 proven. 133 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-02-15 22:53:57,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:53:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 369 proven. 127 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-02-15 22:53:58,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007328274] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:53:58,226 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:53:58,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 13] total 38 [2022-02-15 22:53:58,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196560723] [2022-02-15 22:53:58,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:53:58,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-15 22:53:58,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:53:58,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-15 22:53:58,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2022-02-15 22:53:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:58,230 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:53:58,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.921052631578947) internal successors, (339), 38 states have internal predecessors, (339), 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) [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:53:58,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:53:58,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:53:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:53:59,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-15 22:54:00,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:54:00,143 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:54:00,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:54:00,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1565546965, now seen corresponding path program 6 times [2022-02-15 22:54:00,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:54:00,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955036042] [2022-02-15 22:54:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:54:00,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:54:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:54:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 854 proven. 885 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-15 22:54:00,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:54:00,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955036042] [2022-02-15 22:54:00,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955036042] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:54:00,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078848096] [2022-02-15 22:54:00,614 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 22:54:00,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:54:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:54:00,632 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) [2022-02-15 22:54:00,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 22:54:00,970 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-02-15 22:54:00,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:54:00,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-15 22:54:00,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:54:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 798 proven. 941 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-15 22:54:01,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:54:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 853 proven. 886 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-15 22:54:01,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078848096] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:54:01,965 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:54:01,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 47 [2022-02-15 22:54:01,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897983422] [2022-02-15 22:54:01,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:54:01,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-02-15 22:54:01,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:54:01,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-02-15 22:54:01,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=1425, Unknown=0, NotChecked=0, Total=2162 [2022-02-15 22:54:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:01,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:54:01,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.042553191489361) internal successors, (425), 47 states have internal predecessors, (425), 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) [2022-02-15 22:54:01,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:01,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:01,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:01,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:01,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:01,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:01,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:01,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:01,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:01,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-02-15 22:54:03,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-15 22:54:04,197 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,SelfDestructingSolverStorable9 [2022-02-15 22:54:04,197 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:54:04,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:54:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash -457523371, now seen corresponding path program 7 times [2022-02-15 22:54:04,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:54:04,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685592198] [2022-02-15 22:54:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:54:04,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:54:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:54:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 1617 proven. 2120 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-15 22:54:05,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:54:05,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685592198] [2022-02-15 22:54:05,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685592198] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:54:05,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233805993] [2022-02-15 22:54:05,016 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 22:54:05,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:54:05,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:54:05,018 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) [2022-02-15 22:54:05,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-15 22:54:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:54:05,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-15 22:54:05,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:54:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 2075 proven. 328 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2022-02-15 22:54:06,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:54:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 2103 proven. 298 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2022-02-15 22:54:07,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233805993] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:54:07,182 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:54:07,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 29, 28] total 83 [2022-02-15 22:54:07,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995484688] [2022-02-15 22:54:07,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:54:07,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-02-15 22:54:07,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:54:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-02-15 22:54:07,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1480, Invalid=5326, Unknown=0, NotChecked=0, Total=6806 [2022-02-15 22:54:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:07,185 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:54:07,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 7.9879518072289155) internal successors, (663), 83 states have internal predecessors, (663), 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) [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:07,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:07,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:07,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-02-15 22:54:07,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:54:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:54:12,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-15 22:54:12,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:54:12,258 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:54:12,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:54:12,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1407733804, now seen corresponding path program 8 times [2022-02-15 22:54:12,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:54:12,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625256313] [2022-02-15 22:54:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:54:12,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:54:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:54:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9110 backedges. 4947 proven. 4092 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-02-15 22:54:13,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:54:13,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625256313] [2022-02-15 22:54:13,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625256313] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:54:13,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21090541] [2022-02-15 22:54:13,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 22:54:13,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:54:13,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:54:13,874 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) [2022-02-15 22:54:13,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-15 22:54:14,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 22:54:14,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:54:14,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-15 22:54:14,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:54:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 9110 backedges. 4214 proven. 2249 refuted. 0 times theorem prover too weak. 2647 trivial. 0 not checked. [2022-02-15 22:54:15,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:54:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9110 backedges. 4228 proven. 2233 refuted. 0 times theorem prover too weak. 2649 trivial. 0 not checked. [2022-02-15 22:54:16,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21090541] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:54:16,463 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:54:16,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 37, 36] total 108 [2022-02-15 22:54:16,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956796252] [2022-02-15 22:54:16,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:54:16,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-02-15 22:54:16,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:54:16,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-02-15 22:54:16,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2734, Invalid=8822, Unknown=0, NotChecked=0, Total=11556 [2022-02-15 22:54:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:16,476 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:54:16,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 7.75) internal successors, (837), 108 states have internal predecessors, (837), 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) [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:54:16,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:54:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:54:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2022-02-15 22:54:26,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-15 22:54:26,755 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,SelfDestructingSolverStorable11 [2022-02-15 22:54:26,756 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:54:26,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:54:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1800434736, now seen corresponding path program 9 times [2022-02-15 22:54:26,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:54:26,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432999899] [2022-02-15 22:54:26,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:54:26,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:54:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:54:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24390 backedges. 12081 proven. 12214 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-02-15 22:54:30,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:54:30,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432999899] [2022-02-15 22:54:30,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432999899] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:54:30,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96108448] [2022-02-15 22:54:30,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 22:54:30,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:54:30,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:54:30,025 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) [2022-02-15 22:54:30,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-15 22:54:31,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 60 check-sat command(s) [2022-02-15 22:54:31,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:54:31,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 248 conjunts are in the unsatisfiable core [2022-02-15 22:54:31,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:54:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 24390 backedges. 8321 proven. 15974 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-02-15 22:54:39,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:54:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24390 backedges. 8079 proven. 16216 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-02-15 22:54:45,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96108448] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:54:45,997 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:54:45,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 118, 120] total 329 [2022-02-15 22:54:45,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707210590] [2022-02-15 22:54:45,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:54:45,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 329 states [2022-02-15 22:54:45,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:54:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 329 interpolants. [2022-02-15 22:54:46,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35913, Invalid=71999, Unknown=0, NotChecked=0, Total=107912 [2022-02-15 22:54:46,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:46,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:54:46,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 329 states, 329 states have (on average 6.513677811550152) internal successors, (2143), 329 states have internal predecessors, (2143), 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) [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:54:46,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:54:46,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:54:46,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:54:46,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:54:46,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2022-02-15 22:54:46,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:55:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:55:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2022-02-15 22:55:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 606 states. [2022-02-15 22:55:41,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-15 22:55:41,775 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,SelfDestructingSolverStorable12 [2022-02-15 22:55:41,775 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:55:41,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:55:41,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1194925650, now seen corresponding path program 10 times [2022-02-15 22:55:41,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:55:41,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005441568] [2022-02-15 22:55:41,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:55:41,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:55:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:55:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 51693 backedges. 23948 proven. 27644 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-02-15 22:55:47,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:55:47,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005441568] [2022-02-15 22:55:47,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005441568] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:55:47,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220642876] [2022-02-15 22:55:47,611 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 22:55:47,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:55:47,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:55:47,612 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) [2022-02-15 22:55:47,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-15 22:55:48,022 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 22:55:48,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:55:48,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 131 conjunts are in the unsatisfiable core [2022-02-15 22:55:48,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:55:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 51693 backedges. 27814 proven. 4370 refuted. 0 times theorem prover too weak. 19509 trivial. 0 not checked. [2022-02-15 22:55:54,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:55:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 51693 backedges. 27924 proven. 4258 refuted. 0 times theorem prover too weak. 19511 trivial. 0 not checked. [2022-02-15 22:55:58,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220642876] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:55:58,297 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:55:58,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 94, 93] total 278 [2022-02-15 22:55:58,298 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421187562] [2022-02-15 22:55:58,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:55:58,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2022-02-15 22:55:58,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:55:58,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2022-02-15 22:55:58,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18793, Invalid=58213, Unknown=0, NotChecked=0, Total=77006 [2022-02-15 22:55:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:55:58,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:55:58,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 7.41726618705036) internal successors, (2062), 278 states have internal predecessors, (2062), 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) [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 606 states. [2022-02-15 22:55:58,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2022-02-15 22:56:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 606 states. [2022-02-15 22:56:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 670 states. [2022-02-15 22:56:51,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-15 22:56:51,631 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,SelfDestructingSolverStorable13 [2022-02-15 22:56:51,631 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 22:56:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 22:56:51,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1296866892, now seen corresponding path program 11 times [2022-02-15 22:56:51,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 22:56:51,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652817972] [2022-02-15 22:56:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 22:56:51,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 22:56:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 22:57:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 128810 backedges. 68604 proven. 59925 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-02-15 22:57:06,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 22:57:06,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652817972] [2022-02-15 22:57:06,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652817972] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 22:57:06,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200607411] [2022-02-15 22:57:06,457 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 22:57:06,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 22:57:06,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 22:57:06,458 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) [2022-02-15 22:57:06,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-15 22:57:13,854 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 123 check-sat command(s) [2022-02-15 22:57:13,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 22:57:13,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 3959 conjuncts, 222 conjunts are in the unsatisfiable core [2022-02-15 22:57:13,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 22:57:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 128810 backedges. 60377 proven. 31493 refuted. 0 times theorem prover too weak. 36940 trivial. 0 not checked. [2022-02-15 22:57:27,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 22:57:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 128810 backedges. 60441 proven. 31423 refuted. 0 times theorem prover too weak. 36946 trivial. 0 not checked. [2022-02-15 22:57:34,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200607411] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 22:57:34,590 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 22:57:34,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [218, 127, 126] total 377 [2022-02-15 22:57:34,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993976803] [2022-02-15 22:57:34,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 22:57:34,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 377 states [2022-02-15 22:57:34,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 22:57:34,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 377 interpolants. [2022-02-15 22:57:34,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35369, Invalid=106383, Unknown=0, NotChecked=0, Total=141752 [2022-02-15 22:57:34,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:57:34,605 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 22:57:34,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 377 states, 377 states have (on average 7.360742705570292) internal successors, (2775), 377 states have internal predecessors, (2775), 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) [2022-02-15 22:57:34,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 606 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 670 states. [2022-02-15 22:57:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 23:00:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 23:00:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 23:00:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 606 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 670 states. [2022-02-15 23:00:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1092 states. [2022-02-15 23:00:54,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-15 23:00:54,746 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,SelfDestructingSolverStorable14 [2022-02-15 23:00:54,747 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 23:00:54,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 23:00:54,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1671442513, now seen corresponding path program 12 times [2022-02-15 23:00:54,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 23:00:54,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515147574] [2022-02-15 23:00:54,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 23:00:54,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 23:00:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 23:01:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 340146 backedges. 170589 proven. 169176 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-02-15 23:01:27,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 23:01:27,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515147574] [2022-02-15 23:01:27,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515147574] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 23:01:27,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926563109] [2022-02-15 23:01:27,549 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 23:01:27,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 23:01:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 23:01:27,551 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) [2022-02-15 23:01:27,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-15 23:03:27,946 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 212 check-sat command(s) [2022-02-15 23:03:27,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 23:03:28,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 6392 conjuncts, 344 conjunts are in the unsatisfiable core [2022-02-15 23:03:28,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 23:03:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 340146 backedges. 169793 proven. 59617 refuted. 0 times theorem prover too weak. 110736 trivial. 0 not checked. [2022-02-15 23:03:52,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 23:04:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 340146 backedges. 169969 proven. 59439 refuted. 0 times theorem prover too weak. 110738 trivial. 0 not checked. [2022-02-15 23:04:08,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926563109] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 23:04:08,445 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 23:04:08,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [340, 216, 215] total 644 [2022-02-15 23:04:08,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272556279] [2022-02-15 23:04:08,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 23:04:08,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 644 states [2022-02-15 23:04:08,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 23:04:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 644 interpolants. [2022-02-15 23:04:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102353, Invalid=311739, Unknown=0, NotChecked=0, Total=414092 [2022-02-15 23:04:08,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 23:04:08,480 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 23:04:08,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 644 states, 644 states have (on average 7.380434782608695) internal successors, (4753), 644 states have internal predecessors, (4753), 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) [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 23:04:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-02-15 23:04:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-15 23:04:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2022-02-15 23:04:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 606 states. [2022-02-15 23:04:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 670 states. [2022-02-15 23:04:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1092 states. [2022-02-15 23:04:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-15 23:07:42,444 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 [2022-02-15 23:07:42,444 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 23:07:42,444 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 [2022-02-15 23:07:42,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-15 23:07:42,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 23:07:42,679 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-15 23:07:42,681 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-15 23:07:42,682 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-15 23:07:42,682 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-15 23:07:42,682 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-15 23:07:42,693 INFO L732 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1] [2022-02-15 23:07:42,696 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 23:07:42,696 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 23:07:42,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:07:42 BasicIcfg [2022-02-15 23:07:42,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 23:07:42,699 INFO L158 Benchmark]: Toolchain (without parser) took 834761.04ms. Allocated memory was 224.4MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 179.0MB in the beginning and 1.2GB in the end (delta: -989.3MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-15 23:07:42,699 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 224.4MB. Free memory was 195.4MB in the beginning and 195.4MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 23:07:42,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.87ms. Allocated memory is still 224.4MB. Free memory was 178.7MB in the beginning and 198.1MB in the end (delta: -19.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2022-02-15 23:07:42,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.44ms. Allocated memory is still 224.4MB. Free memory was 198.1MB in the beginning and 196.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 23:07:42,699 INFO L158 Benchmark]: Boogie Preprocessor took 26.16ms. Allocated memory is still 224.4MB. Free memory was 196.4MB in the beginning and 194.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 23:07:42,699 INFO L158 Benchmark]: RCFGBuilder took 407.96ms. Allocated memory is still 224.4MB. Free memory was 194.9MB in the beginning and 178.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-15 23:07:42,699 INFO L158 Benchmark]: TraceAbstraction took 834038.37ms. Allocated memory was 224.4MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 177.9MB in the beginning and 1.2GB in the end (delta: -990.4MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-15 23:07:42,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 224.4MB. Free memory was 195.4MB in the beginning and 195.4MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.87ms. Allocated memory is still 224.4MB. Free memory was 178.7MB in the beginning and 198.1MB in the end (delta: -19.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.44ms. Allocated memory is still 224.4MB. Free memory was 198.1MB in the beginning and 196.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.16ms. Allocated memory is still 224.4MB. Free memory was 196.4MB in the beginning and 194.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 407.96ms. Allocated memory is still 224.4MB. Free memory was 194.9MB in the beginning and 178.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 834038.37ms. Allocated memory was 224.4MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 177.9MB in the beginning and 1.2GB in the end (delta: -990.4MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 88453, positive: 69521, positive conditional: 68197, positive unconditional: 1324, negative: 18932, negative conditional: 18913, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77106, positive: 69521, positive conditional: 68197, positive unconditional: 1324, negative: 7585, negative conditional: 7566, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 77106, positive: 69521, positive conditional: 68197, positive unconditional: 1324, negative: 7585, negative conditional: 7566, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166028, positive: 69521, positive conditional: 68059, positive unconditional: 1462, negative: 96507, negative conditional: 88922, negative unconditional: 7585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166028, positive: 69521, positive conditional: 58222, positive unconditional: 11299, negative: 96507, negative conditional: 74708, negative unconditional: 21799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166028, positive: 69521, positive conditional: 58222, positive unconditional: 11299, negative: 96507, negative conditional: 74708, negative unconditional: 21799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7622, positive: 4646, positive conditional: 3420, positive unconditional: 1226, negative: 2976, negative conditional: 2957, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7622, positive: 1219, positive conditional: 0, positive unconditional: 1219, negative: 6403, negative conditional: 0, negative unconditional: 6403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6403, positive: 3427, positive conditional: 3420, positive unconditional: 7, negative: 2976, negative conditional: 2957, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5692, positive: 3483, positive conditional: 3448, positive unconditional: 34, negative: 2209, negative conditional: 2162, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 166028, positive: 64875, positive conditional: 54802, positive unconditional: 10073, negative: 93531, negative conditional: 71751, negative unconditional: 21780, unknown: 7622, unknown conditional: 6377, unknown unconditional: 1245] , Statistics on independence cache: Total cache size (in pairs): 7622, Positive cache size: 4646, Positive conditional cache size: 3420, Positive unconditional cache size: 1226, Negative cache size: 2976, Negative conditional cache size: 2957, Negative unconditional cache size: 19, Eliminated conditions: 24051, Maximal queried relation: 15, Independence queries for same thread: 11347 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 119, Number of trivial persistent sets: 83, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1343, positive: 1324, positive conditional: 0, positive unconditional: 1324, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 88453, positive: 69521, positive conditional: 68197, positive unconditional: 1324, negative: 18932, negative conditional: 18913, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77106, positive: 69521, positive conditional: 68197, positive unconditional: 1324, negative: 7585, negative conditional: 7566, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 77106, positive: 69521, positive conditional: 68197, positive unconditional: 1324, negative: 7585, negative conditional: 7566, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166028, positive: 69521, positive conditional: 68059, positive unconditional: 1462, negative: 96507, negative conditional: 88922, negative unconditional: 7585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166028, positive: 69521, positive conditional: 58222, positive unconditional: 11299, negative: 96507, negative conditional: 74708, negative unconditional: 21799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166028, positive: 69521, positive conditional: 58222, positive unconditional: 11299, negative: 96507, negative conditional: 74708, negative unconditional: 21799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7622, positive: 4646, positive conditional: 3420, positive unconditional: 1226, negative: 2976, negative conditional: 2957, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7622, positive: 1219, positive conditional: 0, positive unconditional: 1219, negative: 6403, negative conditional: 0, negative unconditional: 6403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6403, positive: 3427, positive conditional: 3420, positive unconditional: 7, negative: 2976, negative conditional: 2957, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5692, positive: 3483, positive conditional: 3448, positive unconditional: 34, negative: 2209, negative conditional: 2162, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 166028, positive: 64875, positive conditional: 54802, positive unconditional: 10073, negative: 93531, negative conditional: 71751, negative unconditional: 21780, unknown: 7622, unknown conditional: 6377, unknown unconditional: 1245] , Statistics on independence cache: Total cache size (in pairs): 7622, Positive cache size: 4646, Positive conditional cache size: 3420, Positive unconditional cache size: 1226, Negative cache size: 2976, Negative conditional cache size: 2957, Negative unconditional cache size: 19, Eliminated conditions: 24051, Maximal queried relation: 15, Independence queries for same thread: 11347 - 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: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 833.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 543.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4077, 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: 0.7s SsaConstructionTime, 137.4s SatisfiabilityAnalysisTime, 147.9s InterpolantComputationTime, 17171 NumberOfCodeBlocks, 17171 NumberOfCodeBlocksAsserted, 458 NumberOfCheckSat, 25599 ConstructedInterpolants, 0 QuantifiedInterpolants, 83670 SizeOfPredicates, 128 NumberOfNonLiveVariables, 19508 ConjunctsInSsa, 1205 ConjunctsInUnsatCore, 42 InterpolantComputations, 4 PerfectInterpolantSequences, 1175746/1682518 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