/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-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 03:59:35,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 03:59:35,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 03:59:35,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 03:59:35,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 03:59:35,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 03:59:35,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 03:59:35,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 03:59:35,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 03:59:35,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 03:59:35,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 03:59:35,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 03:59:35,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 03:59:35,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 03:59:35,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 03:59:35,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 03:59:35,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 03:59:35,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 03:59:35,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 03:59:35,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 03:59:35,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 03:59:35,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 03:59:35,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 03:59:35,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 03:59:35,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 03:59:35,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 03:59:35,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 03:59:35,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 03:59:35,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 03:59:35,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 03:59:35,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 03:59:35,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 03:59:35,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 03:59:35,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 03:59:35,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 03:59:35,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 03:59:35,094 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 03:59:35,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 03:59:35,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 03:59:35,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 03:59:35,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 03:59:35,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 03:59:35,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 03:59:35,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 03:59:35,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 03:59:35,118 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 03:59:35,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 03:59:35,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 03:59:35,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:59:35,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 03:59:35,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 03:59:35,121 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 03:59:35,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 03:59:35,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 03:59:35,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 03:59:35,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 03:59:35,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 03:59:35,346 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 03:59:35,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2022-02-11 03:59:35,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b42783cc/2ee05c04d81144e6b1282850bd6298d9/FLAG747516080 [2022-02-11 03:59:35,718 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 03:59:35,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2022-02-11 03:59:35,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b42783cc/2ee05c04d81144e6b1282850bd6298d9/FLAG747516080 [2022-02-11 03:59:36,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b42783cc/2ee05c04d81144e6b1282850bd6298d9 [2022-02-11 03:59:36,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 03:59:36,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 03:59:36,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 03:59:36,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 03:59:36,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 03:59:36,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fea83d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36, skipping insertion in model container [2022-02-11 03:59:36,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 03:59:36,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 03:59:36,374 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-bad-threaded-sum-2.wvr.c[2476,2489] [2022-02-11 03:59:36,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:59:36,388 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 03:59:36,421 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-bad-threaded-sum-2.wvr.c[2476,2489] [2022-02-11 03:59:36,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:59:36,430 INFO L208 MainTranslator]: Completed translation [2022-02-11 03:59:36,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36 WrapperNode [2022-02-11 03:59:36,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 03:59:36,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 03:59:36,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 03:59:36,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 03:59:36,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,468 INFO L137 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-02-11 03:59:36,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 03:59:36,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 03:59:36,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 03:59:36,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 03:59:36,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 03:59:36,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 03:59:36,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 03:59:36,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 03:59:36,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (1/1) ... [2022-02-11 03:59:36,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:59:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:59:36,528 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 03:59:36,547 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 03:59:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 03:59:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 03:59:36,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 03:59:36,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 03:59:36,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 03:59:36,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 03:59:36,561 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 03:59:36,632 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 03:59:36,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 03:59:36,798 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 03:59:36,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 03:59:36,822 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 03:59:36,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:59:36 BoogieIcfgContainer [2022-02-11 03:59:36,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 03:59:36,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 03:59:36,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 03:59:36,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 03:59:36,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 03:59:36" (1/3) ... [2022-02-11 03:59:36,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102b30c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:59:36, skipping insertion in model container [2022-02-11 03:59:36,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:59:36" (2/3) ... [2022-02-11 03:59:36,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102b30c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:59:36, skipping insertion in model container [2022-02-11 03:59:36,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:59:36" (3/3) ... [2022-02-11 03:59:36,830 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2022-02-11 03:59:36,833 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 03:59:36,833 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 03:59:36,834 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 03:59:36,834 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 03:59:36,855 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,855 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,856 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,856 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,856 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,856 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,858 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,859 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,859 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,859 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,860 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,860 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,860 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,860 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,860 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,861 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,862 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,862 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,864 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,865 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,865 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,865 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,865 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,866 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:59:36,868 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 03:59:36,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 03:59:36,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:59:36,911 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 03:59:36,912 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 03:59:36,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 03:59:36,951 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 03:59:36,951 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 03:59:37,077 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 03:59:37,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:59:37,083 INFO L85 PathProgramCache]: Analyzing trace with hash -2314868, now seen corresponding path program 1 times [2022-02-11 03:59:37,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:59:37,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330801815] [2022-02-11 03:59:37,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:59:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:59:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:59:37,261 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 03:59:37,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:59:37,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330801815] [2022-02-11 03:59:37,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330801815] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:59:37,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:59:37,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 03:59:37,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284978097] [2022-02-11 03:59:37,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:59:37,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 03:59:37,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:59:37,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 03:59:37,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 03:59:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:59:37,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 03:59:37,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 03:59:37,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 03:59:37,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:59:37,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1355833631, now seen corresponding path program 1 times [2022-02-11 03:59:37,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:59:37,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242832638] [2022-02-11 03:59:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:59:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:59:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:59:37,542 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 03:59:37,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:59:37,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242832638] [2022-02-11 03:59:37,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242832638] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:59:37,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:59:37,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:59:37,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303904755] [2022-02-11 03:59:37,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:59:37,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:59:37,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:59:37,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:59:37,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:59:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:59:37,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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 03:59:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:59:37,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 03:59:37,722 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 03:59:37,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:59:37,722 INFO L85 PathProgramCache]: Analyzing trace with hash 440024601, now seen corresponding path program 1 times [2022-02-11 03:59:37,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:59:37,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516066516] [2022-02-11 03:59:37,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:59:37,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:59:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:59:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:59:37,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:59:37,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516066516] [2022-02-11 03:59:37,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516066516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:59:37,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:59:37,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 03:59:37,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071599021] [2022-02-11 03:59:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:59:37,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:59:37,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:59:37,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:59:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:59:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,904 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:59:37,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 03:59:37,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:59:37,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:59:37,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:59:37,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 03:59:37,976 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 03:59:37,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:59:37,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2063510878, now seen corresponding path program 2 times [2022-02-11 03:59:37,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:59:37,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034092315] [2022-02-11 03:59:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:59:37,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:59:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:59:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 03:59:38,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:59:38,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034092315] [2022-02-11 03:59:38,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034092315] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:59:38,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:59:38,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:59:38,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839555594] [2022-02-11 03:59:38,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:59:38,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:59:38,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:59:38,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:59:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:59:38,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:38,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:59:38,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 03:59:38,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:38,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:59:38,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:59:38,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:59:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:59:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:59:38,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 03:59:38,278 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 03:59:38,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:59:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash 547214721, now seen corresponding path program 3 times [2022-02-11 03:59:38,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:59:38,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698341745] [2022-02-11 03:59:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:59:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:59:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:59:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:59:42,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:59:42,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698341745] [2022-02-11 03:59:42,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698341745] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:59:42,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149653098] [2022-02-11 03:59:42,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 03:59:42,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:59:42,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:59:42,881 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 03:59:42,882 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 03:59:43,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-11 03:59:43,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:59:43,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-11 03:59:43,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:59:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:59:46,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:59:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:59:57,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149653098] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:59:57,370 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:59:57,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 21] total 48 [2022-02-11 03:59:57,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606776180] [2022-02-11 03:59:57,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:59:57,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-11 03:59:57,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:59:57,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-11 03:59:57,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1945, Unknown=0, NotChecked=0, Total=2256 [2022-02-11 03:59:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:57,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:59:57,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.0) internal successors, (192), 48 states have internal predecessors, (192), 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 03:59:57,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:59:57,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:59:57,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:59:57,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:59:57,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:00:17,284 WARN L228 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 175 DAG size of output: 126 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:00:26,044 WARN L228 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 185 DAG size of output: 141 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:00:28,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:00:40,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:00:41,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:00:43,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:00:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:00:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 04:00:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 04:00:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:00:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-11 04:00:53,142 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 04:00:53,332 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 [2022-02-11 04:00:53,333 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:00:53,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:00:53,333 INFO L85 PathProgramCache]: Analyzing trace with hash 367962924, now seen corresponding path program 4 times [2022-02-11 04:00:53,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:00:53,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319187248] [2022-02-11 04:00:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:00:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:00:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 04:02:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:02:08,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 04:02:08,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319187248] [2022-02-11 04:02:08,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319187248] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 04:02:08,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562266489] [2022-02-11 04:02:08,293 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 04:02:08,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:02:08,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 04:02:08,295 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 04:02:08,295 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 04:02:08,908 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 04:02:08,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 04:02:08,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-11 04:02:08,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 04:02:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:02:31,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 04:06:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 04:06:02,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562266489] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 04:06:02,016 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 04:06:02,017 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 25] total 63 [2022-02-11 04:06:02,017 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593387455] [2022-02-11 04:06:02,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 04:06:02,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-11 04:06:02,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 04:06:02,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-11 04:06:02,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3372, Unknown=63, NotChecked=0, Total=3906 [2022-02-11 04:06:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:06:02,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 04:06:02,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.4761904761904763) internal successors, (219), 63 states have internal predecessors, (219), 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 04:06:02,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:06:02,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 04:06:02,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 04:06:02,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:06:02,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-11 04:06:02,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:06:33,276 WARN L228 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 207 DAG size of output: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:07:02,547 WARN L228 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 206 DAG size of output: 180 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:07:20,966 WARN L228 SmtUtils]: Spent 14.17s on a formula simplification. DAG size of input: 213 DAG size of output: 187 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:07:22,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:32,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:33,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:35,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:37,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:54,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:57,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:07:59,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:24,841 WARN L228 SmtUtils]: Spent 11.98s on a formula simplification. DAG size of input: 254 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:08:37,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:38,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:40,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:42,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:45,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:46,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 04:08:48,678 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse18 (+ c_~S~0 c_~T~0))) (let ((.cse34 (div .cse18 4294967296)) (.cse31 (div c_~m~0 4294967296))) (let ((.cse51 (+ c_~S~0 c_~T~0 (* .cse31 4294967296))) (.cse16 (* .cse34 4294967296)) (.cse29 (div c_~t~0 4294967296))) (let ((.cse21 (* .cse29 4294967296)) (.cse13 (* (- 1) c_~S~0)) (.cse28 (+ c_~s~0 4294967295)) (.cse4 (+ c_~m~0 2 .cse16)) (.cse40 (+ c_~m~0 .cse16 4)) (.cse49 (+ c_~m~0 3 .cse16)) (.cse47 (div (+ c_~m~0 3) 4294967296)) (.cse2 (+ c_~m~0 .cse16 1)) (.cse32 (<= (+ c_~m~0 .cse16) .cse51)) (.cse33 (div c_~s~0 4294967296))) (let ((.cse1 (+ c_~s~0 1)) (.cse23 (* .cse33 4294967296)) (.cse0 (and (not (<= .cse2 .cse51)) .cse32)) (.cse8 (< 0 (mod (+ c_~t~0 4294967294) 4294967296))) (.cse7 (let ((.cse50 (+ (* .cse47 4294967296) c_~S~0 c_~T~0))) (and (not (<= .cse40 .cse50)) (<= .cse49 .cse50)))) (.cse6 (* c_~s~0 (- 1))) (.cse10 (div (+ c_~m~0 6) 4294967296)) (.cse5 (or (< 0 (mod c_~s~0 4294967296)) (let ((.cse48 (+ c_~S~0 c_~T~0 (* (div (+ c_~m~0 2) 4294967296) 4294967296)))) (and (<= .cse4 .cse48) (not (<= .cse49 .cse48)))))) (.cse46 (div (+ c_~m~0 5) 4294967296)) (.cse44 (< 0 (mod (+ c_~s~0 4294967293) 4294967296))) (.cse41 (div (+ c_~m~0 4) 4294967296)) (.cse37 (< 0 (mod (+ c_~s~0 4294967294) 4294967296))) (.cse36 (< 0 (mod .cse28 4294967296))) (.cse9 (* (- 1) c_~m~0)) (.cse11 (div (+ .cse13 4294967293) 4294967296)) (.cse12 (div (+ (- 8589934590) c_~S~0) (- 4294967296))) (.cse24 (<= c_~t~0 .cse21))) (and (or (and (<= (div c_thread1Thread1of1ForFork1_~cond~0 256) 0) (<= 1 c_thread1Thread1of1ForFork1_~cond~0)) .cse0) (or (and (or (< 0 (mod .cse1 4294967296)) (let ((.cse3 (+ c_~S~0 c_~T~0 (* (div (+ c_~m~0 1) 4294967296) 4294967296)))) (and (<= .cse2 .cse3) (not (<= .cse4 .cse3))))) .cse5 (or (< (div .cse6 (- 4294967296)) (+ (div (+ c_~s~0 (- 2)) 4294967296) 2)) .cse7)) .cse8) (or (and (<= (div (+ c_~S~0 (- 4294967300) .cse9) (- 4294967296)) (+ .cse10 .cse11 1)) (<= (+ .cse12 .cse10) (+ (div (+ c_~m~0 .cse13 4294967300) 4294967296) 1))) (< 0 (mod (+ c_~s~0 4294967292) 4294967296))) (let ((.cse14 (+ c_~t~0 1))) (let ((.cse19 (+ c_~s~0 2)) (.cse27 (div .cse14 4294967296))) (let ((.cse25 (* .cse29 (- 4294967296))) (.cse15 (* .cse27 4294967296)) (.cse22 (* (- 1) c_~t~0)) (.cse20 (* (div .cse19 4294967296) 4294967296)) (.cse17 (<= c_~m~0 4))) (or (<= .cse14 .cse15) (and (<= 4 c_~m~0) (<= c_~t~0 (+ (* (div (+ (- 2) .cse6 .cse16) 4294967296) 4294967296) 4294967294)) .cse17 (<= .cse18 (+ c_~s~0 c_~t~0 4)) (<= .cse19 .cse20)) (and (<= (+ .cse15 c_~S~0 c_~T~0) (+ c_~t~0 c_~m~0 .cse21 (* (div (+ c_~S~0 c_~T~0 .cse22 .cse9) 4294967296) 4294967296))) (<= c_~s~0 .cse23) .cse24) (and (<= c_~m~0 5) (<= (+ c_~s~0 (* (div (+ c_~s~0 .cse25 .cse15 4) 4294967296) 4294967296) c_~t~0 c_~m~0) (+ c_~S~0 c_~T~0 .cse23)) (<= .cse18 (+ c_~s~0 c_~t~0 c_~m~0)) (<= (+ c_~s~0 c_~t~0 5) .cse18)) (let ((.cse26 (* (- 1) c_~T~0))) (and (<= (* (div (+ c_~s~0 c_~t~0 (* (div (+ .cse25 .cse15 c_~S~0 c_~T~0 4294967295 .cse6 .cse22 .cse9 .cse20) 4294967296) 4294967296) c_~m~0 4294967295 .cse13 .cse26) 4294967296) 4294967296) .cse1) (<= c_~s~0 (+ (* (div (+ c_~s~0 c_~t~0 c_~m~0 .cse13 (* .cse27 (- 4294967296)) .cse26 .cse16) 4294967296) 4294967296) 4294967293)) .cse17 (<= (* (div .cse28 4294967296) 4294967296) c_~s~0))))))) (let ((.cse30 (<= (+ .cse33 .cse29 .cse31 1) .cse34))) (or (and .cse30 (<= .cse18 (+ c_~s~0 6 .cse21)) (not (<= (+ .cse31 1) 0))) (<= (+ 4294967295 .cse23) c_~s~0) (and (or .cse30 .cse32) (<= .cse18 (+ c_~s~0 c_~m~0 .cse21)) (<= (+ .cse33 .cse29 .cse31) .cse34)) (< .cse21 c_~t~0) .cse0)) (or (let ((.cse35 (div (+ 7 c_~m~0) 4294967296))) (and (<= (+ .cse12 .cse35) (+ (div (+ c_~m~0 .cse13 4294967301) 4294967296) 1)) (<= (div (+ c_~S~0 (- 4294967301) .cse9) (- 4294967296)) (+ .cse35 .cse11 1)))) (< (div (+ .cse6 4) (- 4294967296)) (+ 2 (div (+ c_~s~0 (- 6)) 4294967296)))) (or .cse8 (let ((.cse42 (+ c_~m~0 6 .cse16)) (.cse38 (+ c_~m~0 5 .cse16))) (and (or .cse36 .cse7) (or .cse37 (let ((.cse39 (+ (* .cse41 4294967296) c_~S~0 c_~T~0))) (and (not (<= .cse38 .cse39)) (<= .cse40 .cse39)))) (or (< (div (+ 3 .cse6) (- 4294967296)) (+ (div (+ c_~s~0 (- 5)) 4294967296) 2)) (let ((.cse43 (+ c_~S~0 c_~T~0 (* .cse10 4294967296)))) (and (<= .cse42 .cse43) (not (<= (+ 7 c_~m~0 .cse16) .cse43))))) .cse5 (or .cse44 (let ((.cse45 (+ (* .cse46 4294967296) c_~S~0 c_~T~0))) (and (not (<= .cse42 .cse45)) (<= .cse38 .cse45))))))) (or (and (<= (+ .cse12 .cse46) (+ (div (+ c_~m~0 .cse13 4294967299) 4294967296) 1)) (<= (div (+ c_~S~0 .cse9 (- 4294967299)) (- 4294967296)) (+ .cse11 .cse46 1))) .cse44) (or (and (<= (+ .cse12 .cse41) (+ (div (+ c_~m~0 .cse13 4294967298) 4294967296) 1)) (<= (div (+ c_~S~0 (- 4294967298) .cse9) (- 4294967296)) (+ .cse41 .cse11 1))) .cse37) (or .cse36 (and (<= (div (+ c_~S~0 (- 4294967297) .cse9) (- 4294967296)) (+ .cse47 .cse11 1)) (<= (+ .cse12 .cse47) (+ (div (+ c_~m~0 .cse13 4294967297) 4294967296) 1)))) (or (and (= c_thread2Thread1of1ForFork0_~cond~1 0) .cse24) (and (not .cse24) (= c_thread2Thread1of1ForFork0_~cond~1 1))))))))) is different from false [2022-02-11 04:09:12,749 WARN L228 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 140 DAG size of output: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 04:10:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 04:10:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 04:10:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 04:10:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 04:10:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-11 04:10:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-11 04:10:13,291 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 04:10:13,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 04:10:13,486 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 04:10:13,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 04:10:13,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1418257921, now seen corresponding path program 5 times [2022-02-11 04:10:13,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 04:10:13,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060633798] [2022-02-11 04:10:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 04:10:13,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 04:10:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-02-11 04:14:07,507 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:14:07,507 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:14:07,545 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-11 04:14:07,547 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 04:14:07,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-11 04:14:07,547 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 80ms.. [2022-02-11 04:14:07,548 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 04:14:07,548 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 04:14:07,554 INFO L733 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2022-02-11 04:14:07,556 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 04:14:07,556 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 04:14:07,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 04:14:07 BasicIcfg [2022-02-11 04:14:07,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 04:14:07,558 INFO L158 Benchmark]: Toolchain (without parser) took 871406.79ms. Allocated memory was 183.5MB in the beginning and 492.8MB in the end (delta: 309.3MB). Free memory was 128.2MB in the beginning and 279.4MB in the end (delta: -151.2MB). Peak memory consumption was 281.9MB. Max. memory is 8.0GB. [2022-02-11 04:14:07,559 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 04:14:07,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.96ms. Allocated memory was 183.5MB in the beginning and 261.1MB in the end (delta: 77.6MB). Free memory was 128.0MB in the beginning and 232.7MB in the end (delta: -104.7MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-02-11 04:14:07,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.94ms. Allocated memory is still 261.1MB. Free memory was 232.7MB in the beginning and 231.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 04:14:07,561 INFO L158 Benchmark]: Boogie Preprocessor took 33.74ms. Allocated memory is still 261.1MB. Free memory was 231.1MB in the beginning and 230.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 04:14:07,562 INFO L158 Benchmark]: RCFGBuilder took 320.51ms. Allocated memory is still 261.1MB. Free memory was 230.1MB in the beginning and 215.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-11 04:14:07,562 INFO L158 Benchmark]: TraceAbstraction took 870732.36ms. Allocated memory was 261.1MB in the beginning and 492.8MB in the end (delta: 231.7MB). Free memory was 215.4MB in the beginning and 279.4MB in the end (delta: -64.0MB). Peak memory consumption was 291.2MB. Max. memory is 8.0GB. [2022-02-11 04:14:07,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 269.96ms. Allocated memory was 183.5MB in the beginning and 261.1MB in the end (delta: 77.6MB). Free memory was 128.0MB in the beginning and 232.7MB in the end (delta: -104.7MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.94ms. Allocated memory is still 261.1MB. Free memory was 232.7MB in the beginning and 231.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.74ms. Allocated memory is still 261.1MB. Free memory was 231.1MB in the beginning and 230.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 320.51ms. Allocated memory is still 261.1MB. Free memory was 230.1MB in the beginning and 215.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 870732.36ms. Allocated memory was 261.1MB in the beginning and 492.8MB in the end (delta: 231.7MB). Free memory was 215.4MB in the beginning and 279.4MB in the end (delta: -64.0MB). Peak memory consumption was 291.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1379, positive: 1166, positive conditional: 733, positive unconditional: 433, negative: 213, negative conditional: 203, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1212, positive: 1166, positive conditional: 733, positive unconditional: 433, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1212, positive: 1166, positive conditional: 733, positive unconditional: 433, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1339, positive: 1166, positive conditional: 644, positive unconditional: 522, negative: 173, negative conditional: 127, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1339, positive: 1166, positive conditional: 405, positive unconditional: 761, negative: 173, negative conditional: 79, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1339, positive: 1166, positive conditional: 405, positive unconditional: 761, negative: 173, negative conditional: 79, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 444, positive: 408, positive conditional: 11, positive unconditional: 397, negative: 36, negative conditional: 26, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 444, positive: 396, positive conditional: 0, positive unconditional: 396, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 12, positive conditional: 11, positive unconditional: 1, negative: 36, negative conditional: 26, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 804, positive: 51, positive conditional: 23, positive unconditional: 28, negative: 753, negative conditional: 701, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1339, positive: 758, positive conditional: 394, positive unconditional: 364, negative: 137, negative conditional: 53, negative unconditional: 84, unknown: 444, unknown conditional: 37, unknown unconditional: 407] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 408, Positive conditional cache size: 11, Positive unconditional cache size: 397, Negative cache size: 36, Negative conditional cache size: 26, Negative unconditional cache size: 10, Eliminated conditions: 287, Maximal queried relation: 5, Independence queries for same thread: 167 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 88, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 443, positive: 433, positive conditional: 0, positive unconditional: 433, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1379, positive: 1166, positive conditional: 733, positive unconditional: 433, negative: 213, negative conditional: 203, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1212, positive: 1166, positive conditional: 733, positive unconditional: 433, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1212, positive: 1166, positive conditional: 733, positive unconditional: 433, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1339, positive: 1166, positive conditional: 644, positive unconditional: 522, negative: 173, negative conditional: 127, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1339, positive: 1166, positive conditional: 405, positive unconditional: 761, negative: 173, negative conditional: 79, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1339, positive: 1166, positive conditional: 405, positive unconditional: 761, negative: 173, negative conditional: 79, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 444, positive: 408, positive conditional: 11, positive unconditional: 397, negative: 36, negative conditional: 26, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 444, positive: 396, positive conditional: 0, positive unconditional: 396, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 12, positive conditional: 11, positive unconditional: 1, negative: 36, negative conditional: 26, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 804, positive: 51, positive conditional: 23, positive unconditional: 28, negative: 753, negative conditional: 701, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1339, positive: 758, positive conditional: 394, positive unconditional: 364, negative: 137, negative conditional: 53, negative unconditional: 84, unknown: 444, unknown conditional: 37, unknown unconditional: 407] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 408, Positive conditional cache size: 11, Positive unconditional cache size: 397, Negative cache size: 36, Negative conditional cache size: 26, Negative unconditional cache size: 10, Eliminated conditions: 287, Maximal queried relation: 5, Independence queries for same thread: 167 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 80ms.. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 80ms.. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 109 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 80ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 100 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 870.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 307.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 107, 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: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 327.0s InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 34773 SizeOfPredicates, 31 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 20/332 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown