/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 00:34:29,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 00:34:29,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 00:34:29,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 00:34:29,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 00:34:29,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 00:34:29,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 00:34:29,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 00:34:29,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 00:34:29,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 00:34:29,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 00:34:29,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 00:34:29,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 00:34:29,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 00:34:29,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 00:34:29,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 00:34:29,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 00:34:29,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 00:34:29,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 00:34:29,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 00:34:29,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 00:34:29,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 00:34:29,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 00:34:29,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 00:34:29,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 00:34:29,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 00:34:29,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 00:34:29,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 00:34:29,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 00:34:29,349 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 00:34:29,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 00:34:29,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 00:34:29,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 00:34:29,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 00:34:29,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 00:34:29,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 00:34:29,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 00:34:29,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 00:34:29,351 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 00:34:29,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 00:34:29,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 00:34:29,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 00:34:29,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 00:34:29,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 00:34:29,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 00:34:29,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 00:34:29,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 00:34:29,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 00:34:29,353 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 00:34:29,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 00:34:29,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 00:34:29,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 00:34:29,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 00:34:29,354 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 00:34:29,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 00:34:29,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 00:34:29,354 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 00:34:29,354 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 00:34:29,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 00:34:29,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 00:34:29,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 00:34:29,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 00:34:29,592 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 00:34:29,593 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 00:34:29,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2022-02-19 00:34:29,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c0b994d/6de280ecd6f945708b6797770b575237/FLAGcb8122788 [2022-02-19 00:34:30,130 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 00:34:30,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2022-02-19 00:34:30,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c0b994d/6de280ecd6f945708b6797770b575237/FLAGcb8122788 [2022-02-19 00:34:30,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5c0b994d/6de280ecd6f945708b6797770b575237 [2022-02-19 00:34:30,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 00:34:30,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 00:34:30,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 00:34:30,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 00:34:30,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 00:34:30,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4774b0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30, skipping insertion in model container [2022-02-19 00:34:30,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 00:34:30,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 00:34:30,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i[945,958] [2022-02-19 00:34:30,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 00:34:30,811 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 00:34:30,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i[945,958] [2022-02-19 00:34:30,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 00:34:30,874 INFO L208 MainTranslator]: Completed translation [2022-02-19 00:34:30,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30 WrapperNode [2022-02-19 00:34:30,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 00:34:30,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 00:34:30,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 00:34:30,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 00:34:30,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,921 INFO L137 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-02-19 00:34:30,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 00:34:30,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 00:34:30,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 00:34:30,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 00:34:30,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 00:34:30,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 00:34:30,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 00:34:30,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 00:34:30,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (1/1) ... [2022-02-19 00:34:30,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 00:34:30,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:34:30,992 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) [2022-02-19 00:34:31,031 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 [2022-02-19 00:34:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-19 00:34:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-19 00:34:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 00:34:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 00:34:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 00:34:31,060 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 00:34:31,133 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 00:34:31,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 00:34:31,231 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 00:34:31,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 00:34:31,236 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 00:34:31,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:34:31 BoogieIcfgContainer [2022-02-19 00:34:31,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 00:34:31,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 00:34:31,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 00:34:31,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 00:34:31,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 12:34:30" (1/3) ... [2022-02-19 00:34:31,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5587bf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 12:34:31, skipping insertion in model container [2022-02-19 00:34:31,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:34:30" (2/3) ... [2022-02-19 00:34:31,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5587bf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 12:34:31, skipping insertion in model container [2022-02-19 00:34:31,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:34:31" (3/3) ... [2022-02-19 00:34:31,244 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2022-02-19 00:34:31,249 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 00:34:31,250 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 00:34:31,250 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 00:34:31,250 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 00:34:31,272 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,273 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,275 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,275 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,275 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,275 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,275 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,275 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,276 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,276 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,276 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,276 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,277 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,277 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,279 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,279 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,281 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,282 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,282 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,282 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:34:31,282 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-19 00:34:31,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 00:34:31,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:34:31,357 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) [2022-02-19 00:34:31,358 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 [2022-02-19 00:34:31,382 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 00:34:31,387 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 00:34:31,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 00:34:31,546 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 00:34:31,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:34:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash 389344387, now seen corresponding path program 1 times [2022-02-19 00:34:31,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:34:31,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297451398] [2022-02-19 00:34:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:34:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:34:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:34:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:34:31,688 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:34:31,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297451398] [2022-02-19 00:34:31,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297451398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:34:31,690 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:34:31,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 00:34:31,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327096604] [2022-02-19 00:34:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:34:31,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 00:34:31,696 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:34:31,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 00:34:31,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 00:34:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:31,715 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:34:31,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2022-02-19 00:34:31,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:31,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 00:34:31,740 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 00:34:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:34:31,743 INFO L85 PathProgramCache]: Analyzing trace with hash 899280188, now seen corresponding path program 1 times [2022-02-19 00:34:31,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:34:31,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654463567] [2022-02-19 00:34:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:34:31,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:34:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:34:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:34:31,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:34:31,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654463567] [2022-02-19 00:34:31,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654463567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:34:31,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:34:31,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 00:34:31,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584261949] [2022-02-19 00:34:31,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:34:31,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 00:34:31,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:34:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 00:34:31,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-19 00:34:31,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:31,921 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:34:31,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2022-02-19 00:34:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 00:34:32,024 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 00:34:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:34:32,025 INFO L85 PathProgramCache]: Analyzing trace with hash 510924216, now seen corresponding path program 1 times [2022-02-19 00:34:32,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:34:32,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511593557] [2022-02-19 00:34:32,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:34:32,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:34:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:34:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:34:32,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:34:32,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511593557] [2022-02-19 00:34:32,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511593557] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:34:32,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:34:32,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 00:34:32,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679882261] [2022-02-19 00:34:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:34:32,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 00:34:32,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:34:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 00:34:32,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-19 00:34:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,160 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:34:32,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2022-02-19 00:34:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 00:34:32,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 00:34:32,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:34:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash -666533631, now seen corresponding path program 1 times [2022-02-19 00:34:32,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:34:32,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437861748] [2022-02-19 00:34:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:34:32,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:34:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:34:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:34:32,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:34:32,436 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437861748] [2022-02-19 00:34:32,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437861748] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:34:32,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:34:32,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 00:34:32,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714200053] [2022-02-19 00:34:32,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:34:32,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 00:34:32,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:34:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 00:34:32,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-19 00:34:32,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,440 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:34:32,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2022-02-19 00:34:32,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 00:34:32,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 00:34:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:34:32,592 INFO L85 PathProgramCache]: Analyzing trace with hash 646540681, now seen corresponding path program 2 times [2022-02-19 00:34:32,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:34:32,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877317612] [2022-02-19 00:34:32,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:34:32,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:34:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:34:32,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:34:32,688 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:34:32,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877317612] [2022-02-19 00:34:32,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877317612] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:34:32,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:34:32,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 00:34:32,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659198449] [2022-02-19 00:34:32,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:34:32,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 00:34:32,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:34:32,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 00:34:32,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-19 00:34:32,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,690 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:34:32,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2022-02-19 00:34:32,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:34:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 00:34:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:34:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 00:34:32,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-19 00:34:32,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 00:34:32,755 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 00:34:32,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 00:34:32,766 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-02-19 00:34:32,769 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 00:34:32,769 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 00:34:32,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 12:34:32 BasicIcfg [2022-02-19 00:34:32,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 00:34:32,771 INFO L158 Benchmark]: Toolchain (without parser) took 2311.45ms. Allocated memory was 205.5MB in the beginning and 296.7MB in the end (delta: 91.2MB). Free memory was 152.0MB in the beginning and 215.1MB in the end (delta: -63.1MB). Peak memory consumption was 28.8MB. Max. memory is 8.0GB. [2022-02-19 00:34:32,772 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory was 170.0MB in the beginning and 170.0MB in the end (delta: 67.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 00:34:32,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.71ms. Allocated memory was 205.5MB in the beginning and 296.7MB in the end (delta: 91.2MB). Free memory was 151.8MB in the beginning and 261.8MB in the end (delta: -110.0MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-02-19 00:34:32,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.48ms. Allocated memory is still 296.7MB. Free memory was 261.8MB in the beginning and 260.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 00:34:32,772 INFO L158 Benchmark]: Boogie Preprocessor took 44.67ms. Allocated memory is still 296.7MB. Free memory was 259.7MB in the beginning and 258.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 00:34:32,773 INFO L158 Benchmark]: RCFGBuilder took 270.23ms. Allocated memory is still 296.7MB. Free memory was 258.7MB in the beginning and 246.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 00:34:32,773 INFO L158 Benchmark]: TraceAbstraction took 1531.86ms. Allocated memory is still 296.7MB. Free memory was 246.1MB in the beginning and 215.1MB in the end (delta: 31.0MB). Peak memory consumption was 32.6MB. Max. memory is 8.0GB. [2022-02-19 00:34:32,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory was 170.0MB in the beginning and 170.0MB in the end (delta: 67.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.71ms. Allocated memory was 205.5MB in the beginning and 296.7MB in the end (delta: 91.2MB). Free memory was 151.8MB in the beginning and 261.8MB in the end (delta: -110.0MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.48ms. Allocated memory is still 296.7MB. Free memory was 261.8MB in the beginning and 260.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.67ms. Allocated memory is still 296.7MB. Free memory was 259.7MB in the beginning and 258.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 270.23ms. Allocated memory is still 296.7MB. Free memory was 258.7MB in the beginning and 246.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1531.86ms. Allocated memory is still 296.7MB. Free memory was 246.1MB in the beginning and 215.1MB in the end (delta: 31.0MB). Peak memory consumption was 32.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1324, positive: 1284, positive conditional: 624, positive unconditional: 660, negative: 40, negative conditional: 27, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1312, positive: 1284, positive conditional: 624, positive unconditional: 660, negative: 28, negative conditional: 15, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1312, positive: 1284, positive conditional: 624, positive unconditional: 660, negative: 28, negative conditional: 15, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1356, positive: 1284, positive conditional: 479, positive unconditional: 805, negative: 72, negative conditional: 44, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1356, positive: 1284, positive conditional: 127, positive unconditional: 1157, negative: 72, negative conditional: 11, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1356, positive: 1284, positive conditional: 127, positive unconditional: 1157, negative: 72, negative conditional: 11, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, positive: 662, positive conditional: 2, positive unconditional: 660, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, positive: 657, positive conditional: 0, positive unconditional: 657, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 56, positive conditional: 4, positive unconditional: 51, negative: 43, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1356, positive: 622, positive conditional: 125, positive unconditional: 497, negative: 57, negative conditional: 9, negative unconditional: 48, unknown: 677, unknown conditional: 4, unknown unconditional: 673] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 662, Positive conditional cache size: 2, Positive unconditional cache size: 660, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 385, Maximal queried relation: 3, Independence queries for same thread: 12 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 136, Number of trivial persistent sets: 61, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 673, positive: 660, positive conditional: 0, positive unconditional: 660, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1324, positive: 1284, positive conditional: 624, positive unconditional: 660, negative: 40, negative conditional: 27, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1312, positive: 1284, positive conditional: 624, positive unconditional: 660, negative: 28, negative conditional: 15, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1312, positive: 1284, positive conditional: 624, positive unconditional: 660, negative: 28, negative conditional: 15, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1356, positive: 1284, positive conditional: 479, positive unconditional: 805, negative: 72, negative conditional: 44, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1356, positive: 1284, positive conditional: 127, positive unconditional: 1157, negative: 72, negative conditional: 11, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1356, positive: 1284, positive conditional: 127, positive unconditional: 1157, negative: 72, negative conditional: 11, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, positive: 662, positive conditional: 2, positive unconditional: 660, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, positive: 657, positive conditional: 0, positive unconditional: 657, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 56, positive conditional: 4, positive unconditional: 51, negative: 43, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1356, positive: 622, positive conditional: 125, positive unconditional: 497, negative: 57, negative conditional: 9, negative unconditional: 48, unknown: 677, unknown conditional: 4, unknown unconditional: 673] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 662, Positive conditional cache size: 2, Positive unconditional cache size: 660, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 385, Maximal queried relation: 3, Independence queries for same thread: 12 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-19 00:34:32,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-19 00:34:33,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...