/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 04:08:01,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 04:08:01,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 04:08:01,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 04:08:01,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 04:08:01,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 04:08:01,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 04:08:01,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 04:08:01,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 04:08:01,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 04:08:01,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 04:08:01,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 04:08:01,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 04:08:01,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 04:08:01,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 04:08:01,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 04:08:01,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 04:08:01,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 04:08:01,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 04:08:01,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 04:08:01,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 04:08:01,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 04:08:01,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 04:08:01,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 04:08:01,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 04:08:01,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 04:08:01,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 04:08:01,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 04:08:01,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 04:08:01,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 04:08:01,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 04:08:01,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 04:08:01,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 04:08:01,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 04:08:01,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 04:08:01,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 04:08:01,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 04:08:01,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 04:08:01,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 04:08:01,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 04:08:01,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 04:08:01,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 04:08:01,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 04:08:01,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 04:08:01,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 04:08:01,587 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 04:08:01,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 04:08:01,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 04:08:01,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 04:08:01,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 04:08:01,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 04:08:01,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 04:08:01,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 04:08:01,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 04:08:01,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 04:08:01,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 04:08:01,590 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 04:08:01,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 04:08:01,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 04:08:01,590 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 04:08:01,590 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 04:08:01,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 04:08:01,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 04:08:01,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 04:08:01,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 04:08:01,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 04:08:01,805 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 04:08:01,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2022-02-11 04:08:01,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c818354cd/a9e386a54f484227853cdfdc47bba9dc/FLAGbea045b6f [2022-02-11 04:08:02,228 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 04:08:02,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2022-02-11 04:08:02,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c818354cd/a9e386a54f484227853cdfdc47bba9dc/FLAGbea045b6f [2022-02-11 04:08:02,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c818354cd/a9e386a54f484227853cdfdc47bba9dc [2022-02-11 04:08:02,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 04:08:02,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 04:08:02,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 04:08:02,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 04:08:02,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 04:08:02,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f20fd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02, skipping insertion in model container [2022-02-11 04:08:02,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 04:08:02,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 04:08:02,447 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-figure1-alt.wvr.c[2087,2100] [2022-02-11 04:08:02,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 04:08:02,454 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 04:08:02,467 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-figure1-alt.wvr.c[2087,2100] [2022-02-11 04:08:02,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 04:08:02,479 INFO L208 MainTranslator]: Completed translation [2022-02-11 04:08:02,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02 WrapperNode [2022-02-11 04:08:02,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 04:08:02,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 04:08:02,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 04:08:02,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 04:08:02,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,506 INFO L137 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2022-02-11 04:08:02,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 04:08:02,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 04:08:02,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 04:08:02,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 04:08:02,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 04:08:02,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 04:08:02,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 04:08:02,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 04:08:02,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (1/1) ... [2022-02-11 04:08:02,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 04:08:02,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:08:02,555 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 04:08:02,560 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 04:08:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 04:08:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 04:08:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 04:08:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 04:08:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 04:08:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 04:08:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 04:08:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 04:08:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 04:08:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 04:08:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 04:08:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 04:08:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 04:08:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 04:08:02,590 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 04:08:02,663 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 04:08:02,664 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 04:08:02,835 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 04:08:02,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 04:08:02,863 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 04:08:02,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 04:08:02 BoogieIcfgContainer [2022-02-11 04:08:02,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 04:08:02,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 04:08:02,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 04:08:02,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 04:08:02,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 04:08:02" (1/3) ... [2022-02-11 04:08:02,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777e6677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 04:08:02, skipping insertion in model container [2022-02-11 04:08:02,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 04:08:02" (2/3) ... [2022-02-11 04:08:02,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777e6677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 04:08:02, skipping insertion in model container [2022-02-11 04:08:02,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 04:08:02" (3/3) ... [2022-02-11 04:08:02,873 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2022-02-11 04:08:02,877 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 04:08:02,877 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 04:08:02,877 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 04:08:02,878 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 04:08:02,927 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,928 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,930 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,930 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,932 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,933 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,933 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,933 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,934 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,934 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,934 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,934 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,935 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,935 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,935 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,935 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,935 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,935 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,936 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,936 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,937 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,937 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,938 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,938 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,939 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,939 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,940 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,941 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,942 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,942 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,942 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,942 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,943 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,943 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,943 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,943 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,943 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,944 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,945 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,945 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,945 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,946 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,946 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,946 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,948 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,948 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,949 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,949 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,953 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,954 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,954 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,954 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,954 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,955 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,955 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,957 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,957 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,958 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,958 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,958 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 04:08:02,966 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 04:08:03,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 04:08:03,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:08:03,027 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 04:08:03,050 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 04:08:03,067 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 04:08:03,072 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 04:08:03,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 04:08:03,188 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:08:03,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:08:03,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1858117135, now seen corresponding path program 1 times [2022-02-11 04:08:03,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:08:03,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803613808] [2022-02-11 04:08:03,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:03,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:08:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:03,363 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 04:08:03,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:08:03,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803613808] [2022-02-11 04:08:03,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803613808] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 04:08:03,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 04:08:03,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 04:08:03,367 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109518122] [2022-02-11 04:08:03,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 04:08:03,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 04:08:03,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:08:03,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 04:08:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 04:08:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:03,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:08:03,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 04:08:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:03,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 04:08:03,418 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:08:03,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:08:03,419 INFO L85 PathProgramCache]: Analyzing trace with hash -159148883, now seen corresponding path program 1 times [2022-02-11 04:08:03,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:08:03,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426223715] [2022-02-11 04:08:03,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:08:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:04,092 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 04:08:04,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:08:04,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426223715] [2022-02-11 04:08:04,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426223715] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 04:08:04,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 04:08:04,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-11 04:08:04,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040995323] [2022-02-11 04:08:04,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 04:08:04,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-11 04:08:04,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:08:04,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-11 04:08:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-11 04:08:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:04,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:08:04,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 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 04:08:04,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:04,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:04,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 04:08:04,545 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:08:04,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:08:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1687935315, now seen corresponding path program 1 times [2022-02-11 04:08:04,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:08:04,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080155633] [2022-02-11 04:08:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:04,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:08:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:04,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:08:04,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080155633] [2022-02-11 04:08:04,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080155633] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:08:04,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377085707] [2022-02-11 04:08:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:04,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:08:04,960 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 04:08:04,961 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 04:08:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:05,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-11 04:08:05,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:08:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:05,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:08:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:06,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377085707] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:08:06,528 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:08:06,528 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 36 [2022-02-11 04:08:06,528 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45984225] [2022-02-11 04:08:06,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:08:06,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-11 04:08:06,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:08:06,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-11 04:08:06,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2022-02-11 04:08:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:06,534 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:08:06,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.638888888888889) internal successors, (131), 36 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 04:08:06,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:06,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:06,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 04:08:07,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 04:08:07,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-11 04:08:07,726 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:08:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:08:07,727 INFO L85 PathProgramCache]: Analyzing trace with hash 379589739, now seen corresponding path program 1 times [2022-02-11 04:08:07,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:08:07,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126331796] [2022-02-11 04:08:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:08:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:07,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:08:08,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126331796] [2022-02-11 04:08:08,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126331796] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:08:08,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675723750] [2022-02-11 04:08:08,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:08,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:08,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:08:08,002 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 04:08:08,003 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 04:08:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:08,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-11 04:08:08,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:08:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:08,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:08:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:09,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675723750] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:08:09,180 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:08:09,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 37 [2022-02-11 04:08:09,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135244680] [2022-02-11 04:08:09,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:08:09,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-11 04:08:09,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:08:09,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-11 04:08:09,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1174, Unknown=0, NotChecked=0, Total=1332 [2022-02-11 04:08:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:09,183 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:08:09,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.027027027027027) internal successors, (112), 37 states have internal predecessors, (112), 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 04:08:09,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:09,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:09,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 04:08:09,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-11 04:08:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 04:08:10,671 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 04:08:10,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:10,858 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:08:10,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:08:10,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1219640173, now seen corresponding path program 2 times [2022-02-11 04:08:10,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:08:10,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075659130] [2022-02-11 04:08:10,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:10,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:08:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:11,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:08:11,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075659130] [2022-02-11 04:08:11,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075659130] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:08:11,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441626138] [2022-02-11 04:08:11,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 04:08:11,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:11,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:08:11,260 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 04:08:11,282 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 04:08:11,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 04:08:11,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:08:11,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-11 04:08:11,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:08:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:12,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:08:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:08:12,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441626138] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:08:12,853 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:08:12,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 21] total 50 [2022-02-11 04:08:12,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836725713] [2022-02-11 04:08:12,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:08:12,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-11 04:08:12,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:08:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-11 04:08:12,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2249, Unknown=0, NotChecked=0, Total=2450 [2022-02-11 04:08:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:12,860 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:08:12,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.76) internal successors, (138), 50 states have internal predecessors, (138), 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 04:08:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-11 04:08:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 04:08:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 04:08:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 04:08:14,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 04:08:14,330 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 04:08:14,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:14,520 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:08:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:08:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1595873619, now seen corresponding path program 2 times [2022-02-11 04:08:14,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:08:14,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101350512] [2022-02-11 04:08:14,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:08:14,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:08:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:08:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 04:08:14,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:08:14,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101350512] [2022-02-11 04:08:14,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101350512] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:08:14,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180196887] [2022-02-11 04:08:14,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 04:08:14,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:14,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:08:14,946 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 04:08:14,946 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 04:08:15,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 04:08:15,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:08:15,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-11 04:08:15,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:08:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:15,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:08:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:08:16,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180196887] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:08:16,597 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:08:16,598 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 53 [2022-02-11 04:08:16,598 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880938584] [2022-02-11 04:08:16,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:08:16,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-11 04:08:16,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:08:16,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-11 04:08:16,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=2489, Unknown=0, NotChecked=0, Total=2756 [2022-02-11 04:08:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:16,600 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:08:16,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.0) internal successors, (159), 53 states have internal predecessors, (159), 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 04:08:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 04:08:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 04:08:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 04:08:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:08:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-11 04:08:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 04:08:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 04:08:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-11 04:08:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-11 04:08:20,216 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 04:08:20,216 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 04:08:20,217 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 04:08:20,235 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 04:08:20,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:08:20,430 INFO L733 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-02-11 04:08:20,431 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 04:08:20,431 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 04:08:20,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 04:08:20 BasicIcfg [2022-02-11 04:08:20,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 04:08:20,434 INFO L158 Benchmark]: Toolchain (without parser) took 18185.52ms. Allocated memory was 188.7MB in the beginning and 381.7MB in the end (delta: 192.9MB). Free memory was 130.7MB in the beginning and 167.9MB in the end (delta: -37.2MB). Peak memory consumption was 155.7MB. Max. memory is 8.0GB. [2022-02-11 04:08:20,434 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 04:08:20,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.06ms. Allocated memory was 188.7MB in the beginning and 317.7MB in the end (delta: 129.0MB). Free memory was 130.4MB in the beginning and 287.6MB in the end (delta: -157.2MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-11 04:08:20,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.72ms. Allocated memory is still 317.7MB. Free memory was 287.6MB in the beginning and 286.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 04:08:20,435 INFO L158 Benchmark]: Boogie Preprocessor took 17.95ms. Allocated memory is still 317.7MB. Free memory was 286.0MB in the beginning and 284.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 04:08:20,436 INFO L158 Benchmark]: RCFGBuilder took 340.96ms. Allocated memory is still 317.7MB. Free memory was 284.5MB in the beginning and 270.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-11 04:08:20,436 INFO L158 Benchmark]: TraceAbstraction took 17565.54ms. Allocated memory was 317.7MB in the beginning and 381.7MB in the end (delta: 64.0MB). Free memory was 270.2MB in the beginning and 167.9MB in the end (delta: 102.3MB). Peak memory consumption was 166.9MB. Max. memory is 8.0GB. [2022-02-11 04:08:20,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 226.06ms. Allocated memory was 188.7MB in the beginning and 317.7MB in the end (delta: 129.0MB). Free memory was 130.4MB in the beginning and 287.6MB in the end (delta: -157.2MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.72ms. Allocated memory is still 317.7MB. Free memory was 287.6MB in the beginning and 286.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.95ms. Allocated memory is still 317.7MB. Free memory was 286.0MB in the beginning and 284.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 340.96ms. Allocated memory is still 317.7MB. Free memory was 284.5MB in the beginning and 270.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 17565.54ms. Allocated memory was 317.7MB in the beginning and 381.7MB in the end (delta: 64.0MB). Free memory was 270.2MB in the beginning and 167.9MB in the end (delta: 102.3MB). Peak memory consumption was 166.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1710, positive: 1447, positive conditional: 891, positive unconditional: 556, negative: 263, negative conditional: 261, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 891, positive unconditional: 556, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 891, positive unconditional: 556, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 799, positive unconditional: 648, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 367, positive unconditional: 1080, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 367, positive unconditional: 1080, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1449, positive: 939, positive conditional: 367, positive unconditional: 572, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 510, unknown conditional: 0, unknown unconditional: 510] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 508, Positive conditional cache size: 0, Positive unconditional cache size: 508, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 432, Maximal queried relation: 0, Independence queries for same thread: 261 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 120, Number of trivial persistent sets: 104, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 558, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1710, positive: 1447, positive conditional: 891, positive unconditional: 556, negative: 263, negative conditional: 261, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 891, positive unconditional: 556, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 891, positive unconditional: 556, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 799, positive unconditional: 648, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 367, positive unconditional: 1080, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1449, positive: 1447, positive conditional: 367, positive unconditional: 1080, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1449, positive: 939, positive conditional: 367, positive unconditional: 572, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 510, unknown conditional: 0, unknown unconditional: 510] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 508, Positive conditional cache size: 0, Positive unconditional cache size: 508, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 432, Maximal queried relation: 0, Independence queries for same thread: 261 - 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: 76]: 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 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 225, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 722 NumberOfCodeBlocks, 722 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1006 ConstructedInterpolants, 0 QuantifiedInterpolants, 8024 SizeOfPredicates, 56 NumberOfNonLiveVariables, 675 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 4/105 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 04:08:20,470 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 04:08:20,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...