/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 10:26:39,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 10:26:39,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 10:26:40,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 10:26:40,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 10:26:40,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 10:26:40,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 10:26:40,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 10:26:40,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 10:26:40,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 10:26:40,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 10:26:40,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 10:26:40,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 10:26:40,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 10:26:40,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 10:26:40,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 10:26:40,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 10:26:40,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 10:26:40,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 10:26:40,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 10:26:40,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 10:26:40,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 10:26:40,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 10:26:40,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 10:26:40,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 10:26:40,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 10:26:40,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 10:26:40,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 10:26:40,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 10:26:40,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 10:26:40,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 10:26:40,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 10:26:40,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 10:26:40,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 10:26:40,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 10:26:40,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 10:26:40,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 10:26:40,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 10:26:40,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 10:26:40,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 10:26:40,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 10:26:40,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 10:26:40,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 10:26:40,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 10:26:40,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 10:26:40,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 10:26:40,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 10:26:40,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 10:26:40,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 10:26:40,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 10:26:40,098 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 10:26:40,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 10:26:40,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 10:26:40,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 10:26:40,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 10:26:40,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 10:26:40,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 10:26:40,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 10:26:40,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 10:26:40,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 10:26:40,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 10:26:40,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 10:26:40,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 10:26:40,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 10:26:40,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 10:26:40,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 10:26:40,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 10:26:40,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 10:26:40,109 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 10:26:40,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 10:26:40,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 10:26:40,110 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 10:26:40,111 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 10:26:40,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 10:26:40,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 10:26:40,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 10:26:40,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 10:26:40,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 10:26:40,321 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 10:26:40,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2022-02-11 10:26:40,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5881018/addc4d3956194e048f5a006317b7d992/FLAGffc597b89 [2022-02-11 10:26:40,737 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 10:26:40,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2022-02-11 10:26:40,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5881018/addc4d3956194e048f5a006317b7d992/FLAGffc597b89 [2022-02-11 10:26:41,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5881018/addc4d3956194e048f5a006317b7d992 [2022-02-11 10:26:41,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 10:26:41,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 10:26:41,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 10:26:41,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 10:26:41,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 10:26:41,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2a601d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41, skipping insertion in model container [2022-02-11 10:26:41,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 10:26:41,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 10:26:41,373 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-simple-array-sum.wvr.c[2690,2703] [2022-02-11 10:26:41,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 10:26:41,386 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 10:26:41,404 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-simple-array-sum.wvr.c[2690,2703] [2022-02-11 10:26:41,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 10:26:41,418 INFO L208 MainTranslator]: Completed translation [2022-02-11 10:26:41,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41 WrapperNode [2022-02-11 10:26:41,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 10:26:41,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 10:26:41,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 10:26:41,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 10:26:41,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,452 INFO L137 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 121 [2022-02-11 10:26:41,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 10:26:41,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 10:26:41,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 10:26:41,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 10:26:41,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 10:26:41,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 10:26:41,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 10:26:41,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 10:26:41,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (1/1) ... [2022-02-11 10:26:41,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 10:26:41,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:41,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 10:26:41,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 10:26:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 10:26:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 10:26:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 10:26:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 10:26:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 10:26:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 10:26:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 10:26:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 10:26:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 10:26:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 10:26:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 10:26:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 10:26:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 10:26:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-11 10:26:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 10:26:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 10:26:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 10:26:41,545 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 10:26:41,618 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 10:26:41,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 10:26:41,869 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 10:26:41,918 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 10:26:41,919 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-11 10:26:41,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 10:26:41 BoogieIcfgContainer [2022-02-11 10:26:41,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 10:26:41,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 10:26:41,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 10:26:41,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 10:26:41,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 10:26:41" (1/3) ... [2022-02-11 10:26:41,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8e8671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 10:26:41, skipping insertion in model container [2022-02-11 10:26:41,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:26:41" (2/3) ... [2022-02-11 10:26:41,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8e8671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 10:26:41, skipping insertion in model container [2022-02-11 10:26:41,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 10:26:41" (3/3) ... [2022-02-11 10:26:41,932 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2022-02-11 10:26:41,937 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 10:26:41,937 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 10:26:41,938 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 10:26:41,938 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 10:26:41,978 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,979 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,979 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,979 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,979 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,980 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,980 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,980 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,980 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,981 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,981 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,981 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,981 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,981 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,982 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,982 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,982 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,983 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,983 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,983 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,983 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,983 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,983 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,984 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,984 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,984 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,984 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,984 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,985 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,985 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,985 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,986 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,986 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,986 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,986 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,986 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,987 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,987 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,987 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,987 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,988 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,988 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,988 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,988 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,989 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,989 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,989 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,989 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,989 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,989 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,990 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,990 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,990 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,990 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,991 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,991 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,991 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,991 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,992 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,992 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,992 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,992 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,992 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,993 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,993 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,993 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,993 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,993 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,997 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,998 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,998 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,998 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,999 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,999 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,999 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:41,999 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,000 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,000 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,000 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,000 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,000 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,000 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,001 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,001 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,001 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,001 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,006 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,006 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,007 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,007 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,007 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,008 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,009 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,009 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,009 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,009 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,010 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,010 WARN L322 ript$VariableManager]: TermVariable thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,010 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:26:42,014 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 10:26:42,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 10:26:42,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:42,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 10:26:42,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 10:26:42,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 10:26:42,099 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 10:26:42,099 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 10:26:42,464 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1207374193, now seen corresponding path program 1 times [2022-02-11 10:26:42,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:42,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391149548] [2022-02-11 10:26:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:26:42,723 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:42,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391149548] [2022-02-11 10:26:42,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391149548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:26:42,724 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:26:42,724 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 10:26:42,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104047779] [2022-02-11 10:26:42,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:42,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 10:26:42,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:42,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 10:26:42,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 10:26:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:42,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:42,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:42,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:42,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:42,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 10:26:42,809 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:42,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:42,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1092060821, now seen corresponding path program 1 times [2022-02-11 10:26:42,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:42,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643418814] [2022-02-11 10:26:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:42,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:26:44,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:44,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643418814] [2022-02-11 10:26:44,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643418814] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:26:44,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:26:44,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-11 10:26:44,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859185340] [2022-02-11 10:26:44,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:44,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-11 10:26:44,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:44,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-11 10:26:44,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-02-11 10:26:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:44,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:44,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:44,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:44,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 10:26:45,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 10:26:45,022 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:45,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1720115572, now seen corresponding path program 1 times [2022-02-11 10:26:45,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:45,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442359466] [2022-02-11 10:26:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:26:45,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:45,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442359466] [2022-02-11 10:26:45,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442359466] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:26:45,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:26:45,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 10:26:45,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229699405] [2022-02-11 10:26:45,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:45,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 10:26:45,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:45,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 10:26:45,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-11 10:26:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:45,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:45,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 10:26:45,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 10:26:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:26:45,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 10:26:45,365 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:45,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:45,366 INFO L85 PathProgramCache]: Analyzing trace with hash -523815149, now seen corresponding path program 1 times [2022-02-11 10:26:45,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:45,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908507464] [2022-02-11 10:26:45,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:45,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:26:45,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:45,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908507464] [2022-02-11 10:26:45,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908507464] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:26:45,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:26:45,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 10:26:45,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923786435] [2022-02-11 10:26:45,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:45,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 10:26:45,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:45,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 10:26:45,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-11 10:26:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,507 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:45,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 10:26:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:26:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:46,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:46,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:46,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService [2022-02-11 10:26:46,707 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:46,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:46,708 INFO L85 PathProgramCache]: Analyzing trace with hash -284261367, now seen corresponding path program 1 times [2022-02-11 10:26:46,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:46,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876276922] [2022-02-11 10:26:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:46,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:26:46,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:46,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876276922] [2022-02-11 10:26:46,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876276922] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:46,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43301085] [2022-02-11 10:26:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:46,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:46,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:46,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:46,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 10:26:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:46,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 10:26:46,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:47,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:26:47,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 10:26:47,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43301085] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:47,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 10:26:47,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-11 10:26:47,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924612276] [2022-02-11 10:26:47,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:47,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 10:26:47,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:47,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 10:26:47,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-11 10:26:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:47,690 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:47,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 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) [2022-02-11 10:26:47,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:47,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:47,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:47,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:47,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:47,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-11 10:26:48,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,ResultService [2022-02-11 10:26:48,012 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:48,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:48,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1117494965, now seen corresponding path program 1 times [2022-02-11 10:26:48,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:48,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407375791] [2022-02-11 10:26:48,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:48,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 10:26:48,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:48,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407375791] [2022-02-11 10:26:48,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407375791] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:48,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98609963] [2022-02-11 10:26:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:48,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:48,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:48,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 10:26:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:48,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 10:26:48,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 10:26:48,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 10:26:48,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98609963] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:48,804 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 10:26:48,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-11 10:26:48,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981449792] [2022-02-11 10:26:48,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:48,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 10:26:48,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:48,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 10:26:48,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-11 10:26:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:48,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:48,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:48,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:49,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 10:26:49,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:49,228 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:49,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:49,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1717468103, now seen corresponding path program 1 times [2022-02-11 10:26:49,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:49,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46918319] [2022-02-11 10:26:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:49,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:49,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46918319] [2022-02-11 10:26:49,309 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46918319] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:49,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100373940] [2022-02-11 10:26:49,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:49,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:49,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:49,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:49,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 10:26:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:49,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 10:26:49,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:49,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:50,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100373940] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:50,019 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 10:26:50,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-11 10:26:50,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917945377] [2022-02-11 10:26:50,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:26:50,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 10:26:50,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:50,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 10:26:50,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-11 10:26:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:50,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:50,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:50,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:50,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:50,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:50,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:50,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 10:26:50,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,ResultService,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:50,332 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:50,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:50,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1335029758, now seen corresponding path program 1 times [2022-02-11 10:26:50,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:50,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927127824] [2022-02-11 10:26:50,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:50,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:50,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:50,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927127824] [2022-02-11 10:26:50,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927127824] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:50,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93643679] [2022-02-11 10:26:50,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:50,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:50,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:50,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:50,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 10:26:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:50,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 10:26:50,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:50,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:51,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93643679] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:26:51,044 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:26:51,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-02-11 10:26:51,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390433030] [2022-02-11 10:26:51,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:26:51,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-11 10:26:51,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:51,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-11 10:26:51,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-02-11 10:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:51,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:51,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.5) internal successors, (174), 12 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:51,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:51,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 10:26:51,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 10:26:51,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,ResultService,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:51,451 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:51,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:51,452 INFO L85 PathProgramCache]: Analyzing trace with hash 610607354, now seen corresponding path program 2 times [2022-02-11 10:26:51,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:51,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979441449] [2022-02-11 10:26:51,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:51,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:51,569 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:51,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979441449] [2022-02-11 10:26:51,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979441449] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:51,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715878790] [2022-02-11 10:26:51,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 10:26:51,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:51,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:51,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:51,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 10:26:51,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 10:26:51,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:26:51,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 10:26:51,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:52,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-11 10:26:52,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715878790] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:26:52,349 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:26:52,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2022-02-11 10:26:52,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41636401] [2022-02-11 10:26:52,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:26:52,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-11 10:26:52,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:52,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-11 10:26:52,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-02-11 10:26:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:52,355 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:52,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.857142857142858) internal successors, (291), 21 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:52,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 10:26:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:26:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-11 10:26:56,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 10:26:56,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,ResultService,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:56,244 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:56,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -281238465, now seen corresponding path program 3 times [2022-02-11 10:26:56,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:56,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236220308] [2022-02-11 10:26:56,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:56,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-11 10:26:56,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:56,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236220308] [2022-02-11 10:26:56,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236220308] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:56,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038307076] [2022-02-11 10:26:56,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 10:26:56,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:56,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:56,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:56,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 10:26:56,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-11 10:26:56,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:26:56,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 10:26:56,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-11 10:26:56,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-11 10:26:57,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038307076] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:26:57,114 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:26:57,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2022-02-11 10:26:57,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586265123] [2022-02-11 10:26:57,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:26:57,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-11 10:26:57,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:57,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-11 10:26:57,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2022-02-11 10:26:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:57,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:57,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.0) internal successors, (273), 21 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:57,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:26:57,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-11 10:26:57,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-11 10:26:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 10:26:57,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 10:26:58,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:58,006 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:58,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2296975, now seen corresponding path program 4 times [2022-02-11 10:26:58,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:58,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768289900] [2022-02-11 10:26:58,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:58,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-11 10:26:58,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:58,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768289900] [2022-02-11 10:26:58,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768289900] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:58,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762628911] [2022-02-11 10:26:58,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 10:26:58,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:58,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:58,176 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:58,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 10:26:58,333 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 10:26:58,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:26:58,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-11 10:26:58,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:26:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-11 10:26:58,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:26:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-11 10:26:58,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762628911] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:26:58,947 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:26:58,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2022-02-11 10:26:58,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092310533] [2022-02-11 10:26:58,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:26:58,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-11 10:26:58,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:26:58,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-11 10:26:58,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-02-11 10:26:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:58,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:26:58,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:26:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-11 10:26:58,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 10:26:58,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 10:26:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 10:26:59,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 10:26:59,490 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,ResultService,SelfDestructingSolverStorable10 [2022-02-11 10:26:59,490 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:26:59,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:26:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1470318701, now seen corresponding path program 5 times [2022-02-11 10:26:59,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:26:59,491 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919074085] [2022-02-11 10:26:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:26:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:26:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:26:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-11 10:26:59,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:26:59,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919074085] [2022-02-11 10:26:59,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919074085] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:26:59,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100784562] [2022-02-11 10:26:59,641 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 10:26:59,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:26:59,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:26:59,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:26:59,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 10:26:59,797 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-11 10:26:59,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:26:59,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-11 10:26:59,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:27:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-11 10:27:00,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:27:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-11 10:27:00,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100784562] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:27:00,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:27:00,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-02-11 10:27:00,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498283261] [2022-02-11 10:27:00,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:27:00,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-11 10:27:00,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:27:00,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-11 10:27:00,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2022-02-11 10:27:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:00,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:27:00,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.088235294117647) internal successors, (241), 34 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 10:27:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-11 10:27:00,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 10:27:00,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 10:27:00,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:09,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 10:27:10,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:27:10,011 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:27:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:27:10,012 INFO L85 PathProgramCache]: Analyzing trace with hash 984360881, now seen corresponding path program 6 times [2022-02-11 10:27:10,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:27:10,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103909105] [2022-02-11 10:27:10,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:27:10,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:27:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:27:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-02-11 10:27:10,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:27:10,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103909105] [2022-02-11 10:27:10,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103909105] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:27:10,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877134351] [2022-02-11 10:27:10,192 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 10:27:10,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:27:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:27:10,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:27:10,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-11 10:27:10,364 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-11 10:27:10,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:27:10,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-11 10:27:10,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:27:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-02-11 10:27:10,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:27:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-02-11 10:27:11,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877134351] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:27:11,117 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:27:11,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 31 [2022-02-11 10:27:11,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052429976] [2022-02-11 10:27:11,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:27:11,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-11 10:27:11,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:27:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-11 10:27:11,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=831, Unknown=0, NotChecked=0, Total=930 [2022-02-11 10:27:11,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:11,179 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:27:11,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.838709677419354) internal successors, (305), 31 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:11,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:11,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 10:27:12,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-11 10:27:12,284 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,ResultService,SelfDestructingSolverStorable12 [2022-02-11 10:27:12,284 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:27:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:27:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash 591668069, now seen corresponding path program 7 times [2022-02-11 10:27:12,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:27:12,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120298794] [2022-02-11 10:27:12,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:27:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:27:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:27:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-11 10:27:12,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:27:12,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120298794] [2022-02-11 10:27:12,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120298794] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:27:12,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452098713] [2022-02-11 10:27:12,466 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 10:27:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:27:12,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:27:12,468 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:27:12,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-11 10:27:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:27:12,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-11 10:27:12,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:27:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 22 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-11 10:27:13,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:27:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-11 10:27:13,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452098713] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:27:13,720 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:27:13,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-02-11 10:27:13,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821338335] [2022-02-11 10:27:13,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:27:13,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-11 10:27:13,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:27:13,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-11 10:27:13,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2022-02-11 10:27:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:13,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:27:13,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.205882352941177) internal successors, (245), 34 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:13,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 10:27:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 10:27:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-11 10:27:14,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-11 10:27:14,566 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,ResultService,SelfDestructingSolverStorable13 [2022-02-11 10:27:14,566 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:27:14,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:27:14,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1052563630, now seen corresponding path program 8 times [2022-02-11 10:27:14,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:27:14,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98313928] [2022-02-11 10:27:14,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:27:14,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:27:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:27:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-11 10:27:14,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:27:14,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98313928] [2022-02-11 10:27:14,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98313928] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:27:14,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747916789] [2022-02-11 10:27:14,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 10:27:14,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:27:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:27:14,778 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 10:27:14,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-11 10:27:14,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 10:27:14,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:27:14,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-11 10:27:14,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:27:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-11 10:27:15,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:27:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-11 10:27:15,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747916789] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:27:15,764 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:27:15,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 25 [2022-02-11 10:27:15,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472296501] [2022-02-11 10:27:15,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:27:15,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-11 10:27:15,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:27:15,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-11 10:27:15,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2022-02-11 10:27:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:15,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:27:15,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.6) internal successors, (215), 25 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-11 10:27:15,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 10:27:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-11 10:27:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-11 10:27:16,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-11 10:27:16,498 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,ResultService,SelfDestructingSolverStorable14 [2022-02-11 10:27:16,499 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 10:27:16,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:27:16,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1120622670, now seen corresponding path program 9 times [2022-02-11 10:27:16,499 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:27:16,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860395580] [2022-02-11 10:27:16,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:27:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:27:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:27:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 29 proven. 32 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-02-11 10:27:16,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:27:16,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860395580] [2022-02-11 10:27:16,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860395580] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 10:27:16,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938627125] [2022-02-11 10:27:16,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 10:27:16,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 10:27:16,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:27:16,700 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) [2022-02-11 10:27:16,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-11 10:27:16,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-11 10:27:16,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 10:27:16,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 10:27:16,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 10:27:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-02-11 10:27:17,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 10:27:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-02-11 10:27:17,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938627125] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 10:27:17,679 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 10:27:17,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 26 [2022-02-11 10:27:17,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74375171] [2022-02-11 10:27:17,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 10:27:17,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-11 10:27:17,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:27:17,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-11 10:27:17,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-02-11 10:27:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:17,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:27:17,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.076923076923077) internal successors, (314), 26 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:17,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-11 10:27:17,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:58,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:27:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 10:27:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 10:27:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 10:27:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 10:27:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-11 10:27:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-02-11 10:27:58,902 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 10:27:58,902 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 10:27:58,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 10:27:58,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 10:27:58,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-11 10:27:59,106 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,ResultService,SelfDestructingSolverStorable15 [2022-02-11 10:27:59,110 INFO L733 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1, 1, 1] [2022-02-11 10:27:59,112 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 10:27:59,112 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 10:27:59,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 10:27:59 BasicIcfg [2022-02-11 10:27:59,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 10:27:59,116 INFO L158 Benchmark]: Toolchain (without parser) took 77953.46ms. Allocated memory was 172.0MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 114.2MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-02-11 10:27:59,117 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 10:27:59,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.77ms. Allocated memory was 172.0MB in the beginning and 210.8MB in the end (delta: 38.8MB). Free memory was 114.0MB in the beginning and 180.9MB in the end (delta: -66.9MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-02-11 10:27:59,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.95ms. Allocated memory is still 210.8MB. Free memory was 180.9MB in the beginning and 179.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 10:27:59,117 INFO L158 Benchmark]: Boogie Preprocessor took 24.17ms. Allocated memory is still 210.8MB. Free memory was 179.3MB in the beginning and 177.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 10:27:59,117 INFO L158 Benchmark]: RCFGBuilder took 442.78ms. Allocated memory is still 210.8MB. Free memory was 177.8MB in the beginning and 160.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-11 10:27:59,118 INFO L158 Benchmark]: TraceAbstraction took 77193.56ms. Allocated memory was 210.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 159.9MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-02-11 10:27:59,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.77ms. Allocated memory was 172.0MB in the beginning and 210.8MB in the end (delta: 38.8MB). Free memory was 114.0MB in the beginning and 180.9MB in the end (delta: -66.9MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.95ms. Allocated memory is still 210.8MB. Free memory was 180.9MB in the beginning and 179.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.17ms. Allocated memory is still 210.8MB. Free memory was 179.3MB in the beginning and 177.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 442.78ms. Allocated memory is still 210.8MB. Free memory was 177.8MB in the beginning and 160.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 77193.56ms. Allocated memory was 210.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 159.9MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1414138, positive: 1204993, positive conditional: 1202096, positive unconditional: 2897, negative: 209145, negative conditional: 209140, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1274709, positive: 1270494, positive conditional: 1255835, positive unconditional: 14659, negative: 4215, negative conditional: 4166, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1274709, positive: 1270494, positive conditional: 1255835, positive unconditional: 14659, negative: 4215, negative conditional: 4166, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1334277, positive: 1270494, positive conditional: 1255675, positive unconditional: 14819, negative: 63783, negative conditional: 59568, negative unconditional: 4215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1334277, positive: 1270494, positive conditional: 955326, positive unconditional: 315168, negative: 63783, negative conditional: 28932, negative unconditional: 34851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1334277, positive: 1270494, positive conditional: 955326, positive unconditional: 315168, negative: 63783, negative conditional: 28932, negative unconditional: 34851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4827, positive: 4757, positive conditional: 2, positive unconditional: 4755, negative: 70, negative conditional: 54, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4827, positive: 4672, positive conditional: 0, positive unconditional: 4672, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 85, positive conditional: 2, positive unconditional: 83, negative: 61, negative conditional: 54, negative unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 304, positive: 191, positive conditional: 2, positive unconditional: 188, negative: 75, negative conditional: 68, negative unconditional: 8, unknown: 38, unknown conditional: 0, unknown unconditional: 38] ], Cache Queries: [ total: 1334277, positive: 1265737, positive conditional: 955324, positive unconditional: 310413, negative: 63713, negative conditional: 28878, negative unconditional: 34835, unknown: 4827, unknown conditional: 56, unknown unconditional: 4771] , Statistics on independence cache: Total cache size (in pairs): 4827, Positive cache size: 4757, Positive conditional cache size: 2, Positive unconditional cache size: 4755, Negative cache size: 70, Negative conditional cache size: 54, Negative unconditional cache size: 16, Eliminated conditions: 330985, Maximal queried relation: 15, Independence queries for same thread: 204994 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 3384, Number of trivial persistent sets: 3341, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2902, positive: 2897, positive conditional: 0, positive unconditional: 2897, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1414138, positive: 1204993, positive conditional: 1202096, positive unconditional: 2897, negative: 209145, negative conditional: 209140, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1274709, positive: 1270494, positive conditional: 1255835, positive unconditional: 14659, negative: 4215, negative conditional: 4166, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1274709, positive: 1270494, positive conditional: 1255835, positive unconditional: 14659, negative: 4215, negative conditional: 4166, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1334277, positive: 1270494, positive conditional: 1255675, positive unconditional: 14819, negative: 63783, negative conditional: 59568, negative unconditional: 4215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1334277, positive: 1270494, positive conditional: 955326, positive unconditional: 315168, negative: 63783, negative conditional: 28932, negative unconditional: 34851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1334277, positive: 1270494, positive conditional: 955326, positive unconditional: 315168, negative: 63783, negative conditional: 28932, negative unconditional: 34851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4827, positive: 4757, positive conditional: 2, positive unconditional: 4755, negative: 70, negative conditional: 54, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4827, positive: 4672, positive conditional: 0, positive unconditional: 4672, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 155, positive: 85, positive conditional: 2, positive unconditional: 83, negative: 61, negative conditional: 54, negative unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 304, positive: 191, positive conditional: 2, positive unconditional: 188, negative: 75, negative conditional: 68, negative unconditional: 8, unknown: 38, unknown conditional: 0, unknown unconditional: 38] ], Cache Queries: [ total: 1334277, positive: 1265737, positive conditional: 955324, positive unconditional: 310413, negative: 63713, negative conditional: 28878, negative unconditional: 34835, unknown: 4827, unknown conditional: 56, unknown unconditional: 4771] , Statistics on independence cache: Total cache size (in pairs): 4827, Positive cache size: 4757, Positive conditional cache size: 2, Positive unconditional cache size: 4755, Negative cache size: 70, Negative conditional cache size: 54, Negative unconditional cache size: 16, Eliminated conditions: 330985, Maximal queried relation: 15, Independence queries for same thread: 204994 - 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 - PositiveResult [Line: 103]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 206 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 77.1s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 60.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 519, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 4863 NumberOfCodeBlocks, 4825 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 6997 ConstructedInterpolants, 0 QuantifiedInterpolants, 17245 SizeOfPredicates, 103 NumberOfNonLiveVariables, 4804 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 1390/1727 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 10:27:59,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-11 10:27:59,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...