/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 20:19:58,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 20:19:58,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 20:19:58,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 20:19:58,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 20:19:58,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 20:19:58,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 20:19:58,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 20:19:58,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 20:19:58,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 20:19:58,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 20:19:58,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 20:19:58,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 20:19:58,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 20:19:58,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 20:19:58,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 20:19:58,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 20:19:58,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 20:19:58,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 20:19:58,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 20:19:58,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 20:19:58,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 20:19:58,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 20:19:58,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 20:19:58,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-18 20:19:58,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-18 20:19:58,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-18 20:19:58,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-18 20:19:58,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-18 20:19:58,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-18 20:19:58,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-18 20:19:58,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-18 20:19:58,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-18 20:19:58,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-18 20:19:58,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-18 20:19:58,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-18 20:19:58,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-18 20:19:58,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-18 20:19:58,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 20:19:58,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 20:19:58,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 20:19:58,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-18 20:19:58,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 20:19:58,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 20:19:58,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 20:19:58,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 20:19:58,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 20:19:58,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 20:19:58,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 20:19:58,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 20:19:58,575 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 20:19:58,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 20:19:58,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 20:19:58,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 20:19:58,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 20:19:58,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 20:19:58,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 20:19:58,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 20:19:58,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 20:19:58,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 20:19:58,578 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 20:19:58,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 20:19:58,579 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 20:19:58,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 20:19:58,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 20:19:58,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 20:19:58,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 20:19:58,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 20:19:58,771 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 20:19:58,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2022-02-18 20:19:58,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d5b8556/3fb4c896f0ee4b7f86c5c3a178f67538/FLAGebaf352ad [2022-02-18 20:19:59,220 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 20:19:59,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2022-02-18 20:19:59,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d5b8556/3fb4c896f0ee4b7f86c5c3a178f67538/FLAGebaf352ad [2022-02-18 20:19:59,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d5b8556/3fb4c896f0ee4b7f86c5c3a178f67538 [2022-02-18 20:19:59,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 20:19:59,247 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 20:19:59,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 20:19:59,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 20:19:59,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 20:19:59,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f472d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59, skipping insertion in model container [2022-02-18 20:19:59,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 20:19:59,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 20:19:59,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2681,2694] [2022-02-18 20:19:59,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 20:19:59,461 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 20:19:59,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2681,2694] [2022-02-18 20:19:59,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 20:19:59,505 INFO L208 MainTranslator]: Completed translation [2022-02-18 20:19:59,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59 WrapperNode [2022-02-18 20:19:59,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 20:19:59,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 20:19:59,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 20:19:59,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 20:19:59,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,556 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 193 [2022-02-18 20:19:59,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 20:19:59,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 20:19:59,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 20:19:59,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 20:19:59,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 20:19:59,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 20:19:59,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 20:19:59,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 20:19:59,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (1/1) ... [2022-02-18 20:19:59,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 20:19:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:19:59,636 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) [2022-02-18 20:19:59,669 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 [2022-02-18 20:19:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 20:19:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 20:19:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 20:19:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 20:19:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 20:19:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 20:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 20:19:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 20:19:59,689 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 20:19:59,765 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 20:19:59,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 20:20:00,038 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 20:20:00,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 20:20:00,161 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-18 20:20:00,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:20:00 BoogieIcfgContainer [2022-02-18 20:20:00,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 20:20:00,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 20:20:00,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 20:20:00,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 20:20:00,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:19:59" (1/3) ... [2022-02-18 20:20:00,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bd0d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:20:00, skipping insertion in model container [2022-02-18 20:20:00,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:59" (2/3) ... [2022-02-18 20:20:00,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bd0d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:20:00, skipping insertion in model container [2022-02-18 20:20:00,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:20:00" (3/3) ... [2022-02-18 20:20:00,173 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2022-02-18 20:20:00,177 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 20:20:00,177 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 20:20:00,177 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 20:20:00,177 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 20:20:00,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,250 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,251 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:00,255 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-18 20:20:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 20:20:00,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:00,287 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) [2022-02-18 20:20:00,288 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 [2022-02-18 20:20:00,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 20:20:00,310 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 20:20:00,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-18 20:20:00,357 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:00,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:00,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1604587002, now seen corresponding path program 1 times [2022-02-18 20:20:00,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:00,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068635215] [2022-02-18 20:20:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:00,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:00,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068635215] [2022-02-18 20:20:00,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068635215] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 20:20:00,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 20:20:00,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 20:20:00,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951607502] [2022-02-18 20:20:00,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 20:20:00,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 20:20:00,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:00,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 20:20:00,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 20:20:00,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,575 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:00,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 20:20:00,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:00,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:00,627 INFO L85 PathProgramCache]: Analyzing trace with hash -505727498, now seen corresponding path program 1 times [2022-02-18 20:20:00,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:00,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223973164] [2022-02-18 20:20:00,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:00,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:00,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:00,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223973164] [2022-02-18 20:20:00,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223973164] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 20:20:00,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 20:20:00,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 20:20:00,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189608838] [2022-02-18 20:20:00,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 20:20:00,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 20:20:00,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:00,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 20:20:00,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-18 20:20:00,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:00,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:00,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:00,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:00,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 20:20:00,961 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:00,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:00,962 INFO L85 PathProgramCache]: Analyzing trace with hash 462920232, now seen corresponding path program 1 times [2022-02-18 20:20:00,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:00,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565948456] [2022-02-18 20:20:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:00,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:01,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:01,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565948456] [2022-02-18 20:20:01,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565948456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 20:20:01,030 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 20:20:01,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 20:20:01,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732158263] [2022-02-18 20:20:01,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 20:20:01,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 20:20:01,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:01,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 20:20:01,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-18 20:20:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,032 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:01,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:01,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:01,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:01,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 20:20:01,094 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:01,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:01,095 INFO L85 PathProgramCache]: Analyzing trace with hash 225480998, now seen corresponding path program 1 times [2022-02-18 20:20:01,095 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:01,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54755766] [2022-02-18 20:20:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:01,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:01,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:01,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54755766] [2022-02-18 20:20:01,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54755766] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:01,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828320934] [2022-02-18 20:20:01,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:01,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:01,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:01,227 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) [2022-02-18 20:20:01,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 20:20:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:01,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-18 20:20:01,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:01,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 20:20:01,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828320934] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 20:20:01,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 20:20:01,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-02-18 20:20:01,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688216130] [2022-02-18 20:20:01,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 20:20:01,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-18 20:20:01,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:01,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-18 20:20:01,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-18 20:20:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,801 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:01,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:01,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:01,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:01,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,929 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,929 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,929 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:01,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:02,178 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 [2022-02-18 20:20:02,179 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:02,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:02,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1669449221, now seen corresponding path program 1 times [2022-02-18 20:20:02,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:02,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528046350] [2022-02-18 20:20:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 20:20:02,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:02,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528046350] [2022-02-18 20:20:02,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528046350] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:02,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678159459] [2022-02-18 20:20:02,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:02,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:02,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:02,229 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) [2022-02-18 20:20:02,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 20:20:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:02,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 20:20:02,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 20:20:02,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 20:20:02,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678159459] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:02,572 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:02,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-02-18 20:20:02,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69506572] [2022-02-18 20:20:02,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:02,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 20:20:02,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:02,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 20:20:02,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-18 20:20:02,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:02,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:02,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:02,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:02,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:02,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:02,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:02,863 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 [2022-02-18 20:20:02,864 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:02,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1790923075, now seen corresponding path program 1 times [2022-02-18 20:20:02,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:02,864 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919673653] [2022-02-18 20:20:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-18 20:20:02,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:02,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919673653] [2022-02-18 20:20:02,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919673653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 20:20:02,948 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 20:20:02,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 20:20:02,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466712873] [2022-02-18 20:20:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 20:20:02,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 20:20:02,949 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:02,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 20:20:02,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 20:20:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:02,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:02,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:02,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:02,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,000 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,000 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,000 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,027 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,027 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,027 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 20:20:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:03,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-18 20:20:03,049 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:03,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1683816198, now seen corresponding path program 1 times [2022-02-18 20:20:03,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:03,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682465296] [2022-02-18 20:20:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 20:20:03,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:03,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682465296] [2022-02-18 20:20:03,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682465296] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:03,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425222196] [2022-02-18 20:20:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:03,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:03,420 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) [2022-02-18 20:20:03,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 20:20:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:03,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 20:20:03,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:03,822 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-18 20:20:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-18 20:20:03,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:03,893 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2022-02-18 20:20:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-18 20:20:04,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425222196] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:04,189 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:04,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 11] total 29 [2022-02-18 20:20:04,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453655725] [2022-02-18 20:20:04,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:04,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-18 20:20:04,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:04,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-18 20:20:04,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2022-02-18 20:20:04,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:04,192 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:04,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.655172413793103) internal successors, (280), 29 states have internal predecessors, (280), 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) [2022-02-18 20:20:04,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 20:20:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:05,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,111 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,111 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,112 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,112 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,112 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,112 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,153 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,153 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,154 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,162 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,163 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,163 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,171 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,171 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,172 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,176 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,176 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,176 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,180 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,180 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,181 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,239 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,239 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,239 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,240 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,240 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,240 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,252 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,252 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,252 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,418 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,418 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,420 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,427 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,427 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,427 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,434 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,434 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-18 20:20:05,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:05,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:05,682 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:05,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:05,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1522652825, now seen corresponding path program 2 times [2022-02-18 20:20:05,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:05,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036837160] [2022-02-18 20:20:05,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:05,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:05,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036837160] [2022-02-18 20:20:05,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036837160] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:05,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143095835] [2022-02-18 20:20:05,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 20:20:05,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:05,783 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) [2022-02-18 20:20:05,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 20:20:05,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 20:20:05,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:05,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 20:20:05,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:06,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:06,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143095835] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:06,259 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:06,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-18 20:20:06,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41480435] [2022-02-18 20:20:06,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:06,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-18 20:20:06,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:06,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-18 20:20:06,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-02-18 20:20:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:06,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:06,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-18 20:20:06,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-18 20:20:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 20:20:06,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:06,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:06,688 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:06,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:06,689 INFO L85 PathProgramCache]: Analyzing trace with hash 202025651, now seen corresponding path program 3 times [2022-02-18 20:20:06,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:06,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576724228] [2022-02-18 20:20:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:06,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:06,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576724228] [2022-02-18 20:20:06,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576724228] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:06,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622594973] [2022-02-18 20:20:06,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 20:20:06,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:06,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:06,791 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) [2022-02-18 20:20:06,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 20:20:06,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-18 20:20:06,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:06,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-18 20:20:06,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:07,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:07,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622594973] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:07,469 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:07,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2022-02-18 20:20:07,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328427005] [2022-02-18 20:20:07,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:07,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-18 20:20:07,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:07,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-18 20:20:07,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=648, Unknown=0, NotChecked=0, Total=756 [2022-02-18 20:20:07,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:07,471 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:07,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.928571428571429) internal successors, (194), 28 states have internal predecessors, (194), 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) [2022-02-18 20:20:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:07,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-18 20:20:07,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-18 20:20:07,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-18 20:20:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 20:20:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-18 20:20:08,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:08,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:08,516 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:08,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1346772917, now seen corresponding path program 4 times [2022-02-18 20:20:08,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:08,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439854417] [2022-02-18 20:20:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:08,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 79 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:08,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:08,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439854417] [2022-02-18 20:20:08,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439854417] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:08,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202512384] [2022-02-18 20:20:08,663 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 20:20:08,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:08,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:08,664 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) [2022-02-18 20:20:08,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 20:20:08,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 20:20:08,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:08,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-18 20:20:08,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 19 proven. 70 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:09,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 1 proven. 64 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-18 20:20:09,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202512384] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:09,516 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:09,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 14] total 36 [2022-02-18 20:20:09,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141647124] [2022-02-18 20:20:09,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:09,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-18 20:20:09,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:09,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-18 20:20:09,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2022-02-18 20:20:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:09,520 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:09,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.055555555555555) internal successors, (218), 36 states have internal predecessors, (218), 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) [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-18 20:20:09,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:11,517 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:11,517 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:11,517 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:11,518 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:11,518 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:11,518 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,043 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,044 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,044 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,045 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,046 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,046 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,546 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,547 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,547 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:13,566 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,136 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,136 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,137 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,137 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,137 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,152 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,152 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,153 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,153 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,153 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,160 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,160 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,160 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,161 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,161 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,161 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:14,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:14,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:14,431 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:14,432 INFO L85 PathProgramCache]: Analyzing trace with hash 849021275, now seen corresponding path program 5 times [2022-02-18 20:20:14,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:14,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042331773] [2022-02-18 20:20:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:14,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:14,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:14,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042331773] [2022-02-18 20:20:14,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042331773] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:14,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289613438] [2022-02-18 20:20:14,572 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 20:20:14,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:14,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:14,573 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) [2022-02-18 20:20:14,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 20:20:14,669 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-18 20:20:14,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:14,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 20:20:14,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:14,904 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-18 20:20:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:14,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:14,996 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2022-02-18 20:20:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:15,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289613438] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:15,222 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:15,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 20 [2022-02-18 20:20:15,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40367310] [2022-02-18 20:20:15,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:15,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-18 20:20:15,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:15,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-18 20:20:15,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-02-18 20:20:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:15,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:15,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.95) internal successors, (179), 20 states have internal predecessors, (179), 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) [2022-02-18 20:20:15,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:15,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:15,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:15,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:15,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:15,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:15,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:15,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:15,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:15,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:15,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:15,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:15,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:15,448 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:15,448 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:15,448 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:15,448 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:15,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:15,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-18 20:20:15,707 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash 622665187, now seen corresponding path program 6 times [2022-02-18 20:20:15,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:15,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368588625] [2022-02-18 20:20:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:15,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:15,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368588625] [2022-02-18 20:20:15,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368588625] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:15,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937979253] [2022-02-18 20:20:15,772 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 20:20:15,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:15,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:15,773 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) [2022-02-18 20:20:15,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-18 20:20:15,883 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-18 20:20:15,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:15,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 20:20:15,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:16,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:16,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937979253] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:16,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:16,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-02-18 20:20:16,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663836818] [2022-02-18 20:20:16,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:16,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-18 20:20:16,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:16,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-18 20:20:16,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2022-02-18 20:20:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:16,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:16,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 21 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:16,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:16,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:16,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:16,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:16,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:16,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:16,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:16,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:16,707 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:16,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:16,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1621238355, now seen corresponding path program 7 times [2022-02-18 20:20:16,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:16,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203564205] [2022-02-18 20:20:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:16,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:16,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203564205] [2022-02-18 20:20:16,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203564205] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:16,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559113374] [2022-02-18 20:20:16,986 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 20:20:16,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:16,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:16,987 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) [2022-02-18 20:20:16,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 20:20:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:17,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-18 20:20:17,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:17,788 INFO L353 Elim1Store]: treesize reduction 80, result has 3.6 percent of original size [2022-02-18 20:20:17,788 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 122 treesize of output 37 [2022-02-18 20:20:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:17,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:18,177 INFO L353 Elim1Store]: treesize reduction 15, result has 82.4 percent of original size [2022-02-18 20:20:18,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 107 [2022-02-18 20:20:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:18,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559113374] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:18,499 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:18,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 13] total 30 [2022-02-18 20:20:18,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885169033] [2022-02-18 20:20:18,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:18,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-18 20:20:18,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:18,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-18 20:20:18,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2022-02-18 20:20:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:18,501 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:18,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.966666666666667) internal successors, (239), 30 states have internal predecessors, (239), 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) [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:18,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:18,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:18,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:18,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:18,883 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:18,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:18,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:18,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:18,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:18,885 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:18,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:19,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-18 20:20:19,169 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1326699311, now seen corresponding path program 8 times [2022-02-18 20:20:19,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:19,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723649355] [2022-02-18 20:20:19,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:19,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:19,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:19,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723649355] [2022-02-18 20:20:19,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723649355] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:19,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038810682] [2022-02-18 20:20:19,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 20:20:19,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:19,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:19,281 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) [2022-02-18 20:20:19,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-18 20:20:19,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 20:20:19,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:19,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-18 20:20:19,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:19,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:19,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038810682] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:19,977 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:19,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2022-02-18 20:20:19,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649346065] [2022-02-18 20:20:19,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:19,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-18 20:20:19,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:19,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-18 20:20:19,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=807, Unknown=0, NotChecked=0, Total=930 [2022-02-18 20:20:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:19,978 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:19,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.387096774193548) internal successors, (198), 31 states have internal predecessors, (198), 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) [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 20:20:20,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-18 20:20:20,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-18 20:20:20,527 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:20,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:20,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2029991963, now seen corresponding path program 9 times [2022-02-18 20:20:20,527 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:20,527 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469383650] [2022-02-18 20:20:20,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:20,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:20,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:20,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469383650] [2022-02-18 20:20:20,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469383650] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:20,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445932633] [2022-02-18 20:20:20,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 20:20:20,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:20,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:20,772 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) [2022-02-18 20:20:20,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-18 20:20:20,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-18 20:20:20,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:20,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-18 20:20:20,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:21,400 INFO L353 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2022-02-18 20:20:21,400 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 29 [2022-02-18 20:20:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:21,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:21,616 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 20:20:21,616 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 74 [2022-02-18 20:20:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:21,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445932633] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:21,987 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:21,987 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 13] total 30 [2022-02-18 20:20:21,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954956471] [2022-02-18 20:20:21,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:21,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-18 20:20:21,988 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:21,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-18 20:20:21,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=733, Unknown=0, NotChecked=0, Total=870 [2022-02-18 20:20:21,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:21,990 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:21,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.233333333333333) internal successors, (247), 30 states have internal predecessors, (247), 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) [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:21,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 20:20:21,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:22,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,408 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,408 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,408 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,582 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,582 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,582 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,583 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,583 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,583 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,591 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,591 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,591 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,599 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,600 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,600 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,600 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,601 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,601 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,609 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,610 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,610 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,610 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,610 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,611 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,630 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,631 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,631 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,631 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,632 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,632 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 20:20:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 20:20:22,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:22,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-18 20:20:22,864 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:22,864 INFO L85 PathProgramCache]: Analyzing trace with hash -907719401, now seen corresponding path program 10 times [2022-02-18 20:20:22,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:22,864 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345376859] [2022-02-18 20:20:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:22,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:22,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345376859] [2022-02-18 20:20:22,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345376859] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:22,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976594884] [2022-02-18 20:20:22,972 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 20:20:22,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:22,974 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) [2022-02-18 20:20:22,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-18 20:20:23,079 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 20:20:23,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:23,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-18 20:20:23,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:23,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-18 20:20:23,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976594884] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:23,530 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:23,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 10] total 25 [2022-02-18 20:20:23,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718864398] [2022-02-18 20:20:23,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:23,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-18 20:20:23,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:23,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-18 20:20:23,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2022-02-18 20:20:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:23,531 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:23,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.4) internal successors, (185), 25 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:23,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 20:20:23,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:24,311 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,311 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,311 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,513 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,513 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,513 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,518 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,519 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,519 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,522 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,522 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,523 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 20:20:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 20:20:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-18 20:20:24,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-18 20:20:24,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-18 20:20:24,817 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:24,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:24,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1308320549, now seen corresponding path program 11 times [2022-02-18 20:20:24,817 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:24,817 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066401834] [2022-02-18 20:20:24,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:24,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 20:20:25,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:25,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066401834] [2022-02-18 20:20:25,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066401834] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:25,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205068126] [2022-02-18 20:20:25,128 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 20:20:25,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:25,129 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) [2022-02-18 20:20:25,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-18 20:20:25,223 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-18 20:20:25,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:25,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-18 20:20:25,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 20:20:25,729 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-02-18 20:20:25,730 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-02-18 20:20:25,743 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-02-18 20:20:25,812 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-18 20:20:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:25,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:25,923 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_495 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_495) c_~f_inv~0.base) (+ (* c_~counter~0 4) c_~f_inv~0.offset)) 0)) (forall ((v_ArrVal_495 (Array Int Int))) (<= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_495) c_~f_inv~0.base) (+ (* c_~counter~0 4) c_~f_inv~0.offset))))) is different from false [2022-02-18 20:20:26,006 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 20:20:26,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 73 [2022-02-18 20:20:26,014 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2022-02-18 20:20:26,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2022-02-18 20:20:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-18 20:20:26,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205068126] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:26,696 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:26,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 14] total 36 [2022-02-18 20:20:26,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243697341] [2022-02-18 20:20:26,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:26,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-18 20:20:26,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:26,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-18 20:20:26,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1066, Unknown=1, NotChecked=66, Total=1260 [2022-02-18 20:20:26,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:26,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:26,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 9.5) internal successors, (342), 36 states have internal predecessors, (342), 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) [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-18 20:20:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:27,636 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:27,636 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:27,637 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,438 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,438 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,438 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,443 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,443 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,443 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,451 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,451 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,452 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-18 20:20:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-18 20:20:33,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:34,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:34,056 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:34,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:34,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1815373594, now seen corresponding path program 12 times [2022-02-18 20:20:34,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:34,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040652097] [2022-02-18 20:20:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:34,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:34,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040652097] [2022-02-18 20:20:34,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040652097] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:34,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572695200] [2022-02-18 20:20:34,110 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 20:20:34,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:34,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:34,111 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 20:20:34,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-18 20:20:34,224 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-18 20:20:34,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 20:20:34,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 20:20:34,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:34,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 20:20:34,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572695200] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 20:20:34,572 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 20:20:34,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-18 20:20:34,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968646116] [2022-02-18 20:20:34,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 20:20:34,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-18 20:20:34,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 20:20:34,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-18 20:20:34,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-02-18 20:20:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:34,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 20:20:34,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.125) internal successors, (162), 16 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 20:20:34,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:34,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:34,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-18 20:20:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-18 20:20:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 20:20:34,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-18 20:20:34,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-18 20:20:34,921 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 20:20:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 20:20:34,921 INFO L85 PathProgramCache]: Analyzing trace with hash -156868938, now seen corresponding path program 13 times [2022-02-18 20:20:34,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 20:20:34,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381673294] [2022-02-18 20:20:34,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 20:20:34,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 20:20:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:36,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 20:20:36,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381673294] [2022-02-18 20:20:36,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381673294] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 20:20:36,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713397807] [2022-02-18 20:20:36,007 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 20:20:36,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:20:36,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 20:20:36,009 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 20:20:36,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-18 20:20:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 20:20:36,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 110 conjunts are in the unsatisfiable core [2022-02-18 20:20:36,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 20:20:36,171 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-18 20:20:36,412 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-18 20:20:36,413 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-18 20:20:36,770 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-18 20:20:37,538 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-02-18 20:20:37,538 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-02-18 20:20:37,757 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-18 20:20:37,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-18 20:20:38,277 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-18 20:20:38,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-18 20:20:39,063 INFO L353 Elim1Store]: treesize reduction 113, result has 28.0 percent of original size [2022-02-18 20:20:39,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 263 treesize of output 111 [2022-02-18 20:20:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 20:20:39,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 20:20:46,104 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 20:20:46,104 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 726 treesize of output 450 [2022-02-18 20:20:53,194 WARN L228 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 419 DAG size of output: 415 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-18 20:20:53,196 INFO L353 Elim1Store]: treesize reduction 71, result has 96.2 percent of original size [2022-02-18 20:20:53,197 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 21 new quantified variables, introduced 91 case distinctions, treesize of input 94672 treesize of output 84091 [2022-02-18 20:20:57,947 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 20:20:57,949 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 21 new quantified variables, introduced 91 case distinctions, treesize of input 92432 treesize of output 83314 [2022-02-18 20:21:05,236 WARN L228 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 415 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-18 20:21:05,236 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 20:21:05,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 21 new quantified variables, introduced 91 case distinctions, treesize of input 83764 treesize of output 50562 [2022-02-18 20:21:15,259 WARN L228 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 413 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-18 20:21:15,259 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 20:21:15,261 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 21 new quantified variables, introduced 91 case distinctions, treesize of input 50096 treesize of output 38794 Received shutdown request... [2022-02-18 20:33:56,884 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-18 20:33:56,887 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-18 20:33:56,888 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 [2022-02-18 20:33:56,888 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 [2022-02-18 20:33:56,890 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 20:33:56,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-18 20:33:57,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 20:33:57,088 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 165 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 28ms.. [2022-02-18 20:33:57,089 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-18 20:33:57,089 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-18 20:33:57,093 INFO L732 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1, 1, 1] [2022-02-18 20:33:57,094 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 20:33:57,094 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 20:33:57,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:33:57 BasicIcfg [2022-02-18 20:33:57,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 20:33:57,096 INFO L158 Benchmark]: Toolchain (without parser) took 837848.83ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 146.0MB in the beginning and 479.1MB in the end (delta: -333.2MB). Peak memory consumption was 729.7MB. Max. memory is 8.0GB. [2022-02-18 20:33:57,096 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 20:33:57,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.25ms. Allocated memory was 201.3MB in the beginning and 269.5MB in the end (delta: 68.2MB). Free memory was 145.8MB in the beginning and 239.0MB in the end (delta: -93.3MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2022-02-18 20:33:57,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.37ms. Allocated memory is still 269.5MB. Free memory was 239.0MB in the beginning and 236.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 20:33:57,096 INFO L158 Benchmark]: Boogie Preprocessor took 34.50ms. Allocated memory is still 269.5MB. Free memory was 236.4MB in the beginning and 234.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 20:33:57,096 INFO L158 Benchmark]: RCFGBuilder took 571.10ms. Allocated memory is still 269.5MB. Free memory was 234.8MB in the beginning and 205.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-18 20:33:57,097 INFO L158 Benchmark]: TraceAbstraction took 836931.11ms. Allocated memory was 269.5MB in the beginning and 1.1GB in the end (delta: 846.2MB). Free memory was 204.9MB in the beginning and 479.1MB in the end (delta: -274.2MB). Peak memory consumption was 721.6MB. Max. memory is 8.0GB. [2022-02-18 20:33:57,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 257.25ms. Allocated memory was 201.3MB in the beginning and 269.5MB in the end (delta: 68.2MB). Free memory was 145.8MB in the beginning and 239.0MB in the end (delta: -93.3MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.37ms. Allocated memory is still 269.5MB. Free memory was 239.0MB in the beginning and 236.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.50ms. Allocated memory is still 269.5MB. Free memory was 236.4MB in the beginning and 234.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 571.10ms. Allocated memory is still 269.5MB. Free memory was 234.8MB in the beginning and 205.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 836931.11ms. Allocated memory was 269.5MB in the beginning and 1.1GB in the end (delta: 846.2MB). Free memory was 204.9MB in the beginning and 479.1MB in the end (delta: -274.2MB). Peak memory consumption was 721.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35421, positive: 29018, positive conditional: 29018, positive unconditional: 0, negative: 6403, negative conditional: 6403, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29087, positive: 29018, positive conditional: 29018, positive unconditional: 0, negative: 69, negative conditional: 69, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29087, positive: 29018, positive conditional: 29018, positive unconditional: 0, negative: 69, negative conditional: 69, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29803, positive: 29018, positive conditional: 28944, positive unconditional: 74, negative: 785, negative conditional: 716, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29803, positive: 29018, positive conditional: 13965, positive unconditional: 15053, negative: 785, negative conditional: 278, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29803, positive: 29018, positive conditional: 13965, positive unconditional: 15053, negative: 785, negative conditional: 278, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, positive: 693, positive conditional: 452, positive unconditional: 241, negative: 28, negative conditional: 26, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, positive: 677, positive conditional: 0, positive unconditional: 677, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 28, negative conditional: 26, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 172, positive conditional: 172, positive unconditional: 0, negative: 181, negative conditional: 169, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29803, positive: 28325, positive conditional: 13513, positive unconditional: 14812, negative: 757, negative conditional: 252, negative unconditional: 505, unknown: 721, unknown conditional: 478, unknown unconditional: 243] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 693, Positive conditional cache size: 452, Positive unconditional cache size: 241, Negative cache size: 28, Negative conditional cache size: 26, Negative unconditional cache size: 2, Eliminated conditions: 15417, Maximal queried relation: 16, Independence queries for same thread: 6334 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 165 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 28ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 165 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 28ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 165 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 28ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 173 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 836.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 17.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 608, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 4767 NumberOfCodeBlocks, 4738 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 6739 ConstructedInterpolants, 50 QuantifiedInterpolants, 22262 SizeOfPredicates, 188 NumberOfNonLiveVariables, 4991 ConjunctsInSsa, 221 ConjunctsInUnsatCore, 45 InterpolantComputations, 5 PerfectInterpolantSequences, 591/1104 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