/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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 05:48:51,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 05:48:51,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 05:48:51,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 05:48:51,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 05:48:51,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 05:48:51,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 05:48:52,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 05:48:52,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 05:48:52,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 05:48:52,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 05:48:52,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 05:48:52,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 05:48:52,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 05:48:52,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 05:48:52,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 05:48:52,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 05:48:52,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 05:48:52,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 05:48:52,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 05:48:52,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 05:48:52,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 05:48:52,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 05:48:52,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 05:48:52,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 05:48:52,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-29 05:48:52,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-29 05:48:52,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-29 05:48:52,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-29 05:48:52,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-29 05:48:52,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-29 05:48:52,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-29 05:48:52,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-29 05:48:52,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 05:48:52,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 05:48:52,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 05:48:52,041 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-MCRwithDepranks.epf [2022-01-29 05:48:52,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 05:48:52,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 05:48:52,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 05:48:52,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 05:48:52,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 05:48:52,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 05:48:52,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 05:48:52,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 05:48:52,070 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 05:48:52,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 05:48:52,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 05:48:52,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 05:48:52,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 05:48:52,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 05:48:52,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 05:48:52,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 05:48:52,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 05:48:52,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 05:48:52,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 05:48:52,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 05:48:52,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 05:48:52,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 05:48:52,074 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 05:48:52,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 05:48:52,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 05:48:52,074 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 05:48:52,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 05:48:52,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 05:48:52,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 05:48:52,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 05:48:52,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 05:48:52,287 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 05:48:52,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-01-29 05:48:52,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8d469c9/4ecc080af2bc4a2f8bad5deac050769e/FLAGd247e24aa [2022-01-29 05:48:52,706 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 05:48:52,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-01-29 05:48:52,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8d469c9/4ecc080af2bc4a2f8bad5deac050769e/FLAGd247e24aa [2022-01-29 05:48:52,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8d469c9/4ecc080af2bc4a2f8bad5deac050769e [2022-01-29 05:48:52,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 05:48:52,728 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 05:48:52,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 05:48:52,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 05:48:52,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 05:48:52,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 05:48:52" (1/1) ... [2022-01-29 05:48:52,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1d1009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:52, skipping insertion in model container [2022-01-29 05:48:52,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 05:48:52" (1/1) ... [2022-01-29 05:48:52,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 05:48:52,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 05:48:52,964 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/parallel-lamport.wvr.c[4210,4223] [2022-01-29 05:48:52,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 05:48:52,993 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 05:48:53,040 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/parallel-lamport.wvr.c[4210,4223] [2022-01-29 05:48:53,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 05:48:53,066 INFO L208 MainTranslator]: Completed translation [2022-01-29 05:48:53,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53 WrapperNode [2022-01-29 05:48:53,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 05:48:53,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 05:48:53,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 05:48:53,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 05:48:53,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,139 INFO L137 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 235 [2022-01-29 05:48:53,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 05:48:53,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 05:48:53,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 05:48:53,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 05:48:53,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 05:48:53,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 05:48:53,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 05:48:53,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 05:48:53,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (1/1) ... [2022-01-29 05:48:53,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 05:48:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 05:48:53,242 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) [2022-01-29 05:48:53,250 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 [2022-01-29 05:48:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 05:48:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 05:48:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 05:48:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 05:48:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 05:48:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 05:48:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 05:48:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 05:48:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 05:48:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 05:48:53,295 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 05:48:53,358 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 05:48:53,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 05:48:53,601 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 05:48:53,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 05:48:53,650 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-29 05:48:53,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 05:48:53 BoogieIcfgContainer [2022-01-29 05:48:53,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 05:48:53,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 05:48:53,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 05:48:53,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 05:48:53,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 05:48:52" (1/3) ... [2022-01-29 05:48:53,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e9316e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 05:48:53, skipping insertion in model container [2022-01-29 05:48:53,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:48:53" (2/3) ... [2022-01-29 05:48:53,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e9316e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 05:48:53, skipping insertion in model container [2022-01-29 05:48:53,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 05:48:53" (3/3) ... [2022-01-29 05:48:53,658 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2022-01-29 05:48:53,662 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 05:48:53,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 05:48:53,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 05:48:53,662 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 05:48:53,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:48:53,704 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 05:48:53,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 05:48:53,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 05:48:53,740 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) [2022-01-29 05:48:53,741 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 [2022-01-29 05:48:53,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 05:48:53,766 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 [2022-01-29 05:48:53,767 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-29 05:48:53,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 05:48:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:48:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash 293559838, now seen corresponding path program 1 times [2022-01-29 05:48:54,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:48:54,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676359065] [2022-01-29 05:48:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:48:54,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:48:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:48:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:48:54,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:48:54,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676359065] [2022-01-29 05:48:54,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676359065] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 05:48:54,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 05:48:54,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 05:48:54,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46093666] [2022-01-29 05:48:54,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 05:48:54,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-29 05:48:54,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:48:54,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-29 05:48:54,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-29 05:48:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:48:54,275 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:48:54,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 05:48:54,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:48:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:48:54,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 05:48:54,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 05:48:54,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:48:54,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1581827277, now seen corresponding path program 1 times [2022-01-29 05:48:54,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:48:54,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279705489] [2022-01-29 05:48:54,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:48:54,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:48:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:48:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:48:54,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:48:54,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279705489] [2022-01-29 05:48:54,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279705489] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 05:48:54,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 05:48:54,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-29 05:48:54,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292086111] [2022-01-29 05:48:54,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 05:48:54,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 05:48:54,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:48:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 05:48:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-29 05:48:54,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:48:54,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:48:54,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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) [2022-01-29 05:48:54,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:48:54,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:49:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:49:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:49:28,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 05:49:28,532 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 05:49:28,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:49:28,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1081284523, now seen corresponding path program 1 times [2022-01-29 05:49:28,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:49:28,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113776995] [2022-01-29 05:49:28,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:49:28,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:49:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:49:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:49:29,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:49:29,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113776995] [2022-01-29 05:49:29,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113776995] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 05:49:29,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252302587] [2022-01-29 05:49:29,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:49:29,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 05:49:29,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 05:49:29,435 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) [2022-01-29 05:49:29,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 05:49:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:49:29,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 38 conjunts are in the unsatisfiable core [2022-01-29 05:49:29,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 05:49:30,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-29 05:49:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:49:30,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 05:49:30,772 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-29 05:49:30,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-29 05:49:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:49:31,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252302587] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 05:49:31,289 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 05:49:31,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 20, 15] total 43 [2022-01-29 05:49:31,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473564743] [2022-01-29 05:49:31,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 05:49:31,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-01-29 05:49:31,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:49:31,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-01-29 05:49:31,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1557, Unknown=0, NotChecked=0, Total=1806 [2022-01-29 05:49:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:49:31,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:49:31,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.441860465116279) internal successors, (320), 43 states have internal predecessors, (320), 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) [2022-01-29 05:49:31,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:49:31,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:49:31,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.