/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 09:47:01,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 09:47:01,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 09:47:01,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 09:47:01,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 09:47:01,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 09:47:01,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 09:47:01,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 09:47:01,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 09:47:01,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 09:47:01,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 09:47:01,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 09:47:01,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 09:47:01,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 09:47:01,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 09:47:01,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 09:47:01,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 09:47:01,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 09:47:01,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 09:47:01,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 09:47:01,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 09:47:01,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 09:47:01,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 09:47:01,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 09:47:01,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 09:47:01,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 09:47:01,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 09:47:01,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 09:47:01,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 09:47:01,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 09:47:01,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 09:47:01,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 09:47:01,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 09:47:01,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 09:47:01,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 09:47:01,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 09:47:01,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 09:47:01,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 09:47:01,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 09:47:01,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 09:47:01,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 09:47:01,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 09:47:01,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 09:47:01,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 09:47:01,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 09:47:01,305 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 09:47:01,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 09:47:01,305 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 09:47:01,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 09:47:01,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 09:47:01,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 09:47:01,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 09:47:01,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 09:47:01,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 09:47:01,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 09:47:01,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 09:47:01,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 09:47:01,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 09:47:01,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 09:47:01,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 09:47:01,311 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 09:47:01,311 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 09:47:01,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 09:47:01,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 09:47:01,312 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 09:47:01,312 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 09:47:01,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 09:47:01,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 09:47:01,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 09:47:01,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 09:47:01,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 09:47:01,540 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 09:47:01,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-02-11 09:47:01,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b5816a/110e89737c24435c85d8898e5b60b53a/FLAGcc66c2029 [2022-02-11 09:47:02,036 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 09:47:02,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-02-11 09:47:02,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b5816a/110e89737c24435c85d8898e5b60b53a/FLAGcc66c2029 [2022-02-11 09:47:02,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b5816a/110e89737c24435c85d8898e5b60b53a [2022-02-11 09:47:02,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 09:47:02,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 09:47:02,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 09:47:02,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 09:47:02,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 09:47:02,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0cfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02, skipping insertion in model container [2022-02-11 09:47:02,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 09:47:02,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 09:47:02,625 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-ticket-2.wvr.c[2652,2665] [2022-02-11 09:47:02,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 09:47:02,635 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 09:47:02,652 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-ticket-2.wvr.c[2652,2665] [2022-02-11 09:47:02,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 09:47:02,663 INFO L208 MainTranslator]: Completed translation [2022-02-11 09:47:02,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02 WrapperNode [2022-02-11 09:47:02,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 09:47:02,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 09:47:02,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 09:47:02,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 09:47:02,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,694 INFO L137 Inliner]: procedures = 21, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 118 [2022-02-11 09:47:02,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 09:47:02,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 09:47:02,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 09:47:02,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 09:47:02,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 09:47:02,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 09:47:02,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 09:47:02,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 09:47:02,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (1/1) ... [2022-02-11 09:47:02,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 09:47:02,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:47:02,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 09:47:02,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 09:47:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 09:47:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 09:47:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 09:47:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 09:47:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 09:47:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 09:47:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 09:47:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 09:47:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 09:47:02,803 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 09:47:02,909 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 09:47:02,910 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 09:47:03,161 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 09:47:03,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 09:47:03,217 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 09:47:03,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 09:47:03 BoogieIcfgContainer [2022-02-11 09:47:03,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 09:47:03,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 09:47:03,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 09:47:03,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 09:47:03,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 09:47:02" (1/3) ... [2022-02-11 09:47:03,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 09:47:03, skipping insertion in model container [2022-02-11 09:47:03,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:47:02" (2/3) ... [2022-02-11 09:47:03,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 09:47:03, skipping insertion in model container [2022-02-11 09:47:03,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 09:47:03" (3/3) ... [2022-02-11 09:47:03,230 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2022-02-11 09:47:03,236 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 09:47:03,236 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 09:47:03,236 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 09:47:03,236 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 09:47:03,290 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,290 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,290 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,290 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,291 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,291 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,291 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,292 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,292 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,292 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,293 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,293 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,294 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,294 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,294 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,294 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,294 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,295 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,295 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,296 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,296 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,296 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,297 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,297 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,300 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,300 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,300 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,301 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,301 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,301 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,303 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,303 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,304 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,304 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,304 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,304 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:47:03,313 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 09:47:03,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 09:47:03,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:47:03,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 09:47:03,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 09:47:03,419 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 09:47:03,425 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 09:47:03,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 09:47:03,671 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:47:03,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:47:03,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1391098523, now seen corresponding path program 1 times [2022-02-11 09:47:03,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:47:03,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733313195] [2022-02-11 09:47:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:47:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:47:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:47:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:47:03,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:47:03,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733313195] [2022-02-11 09:47:03,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733313195] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:47:03,892 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:47:03,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 09:47:03,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776691792] [2022-02-11 09:47:03,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:47:03,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 09:47:03,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:47:03,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 09:47:03,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 09:47:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:03,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:47:03,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:47:03,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:03,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 09:47:03,991 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:47:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:47:03,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1651504199, now seen corresponding path program 1 times [2022-02-11 09:47:03,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:47:03,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010992188] [2022-02-11 09:47:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:47:03,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:47:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:47:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:47:04,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:47:04,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010992188] [2022-02-11 09:47:04,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010992188] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:47:04,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:47:04,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-11 09:47:04,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845593455] [2022-02-11 09:47:04,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:47:04,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 09:47:04,283 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:47:04,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 09:47:04,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-11 09:47:04,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,285 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:47:04,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:47:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:04,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 09:47:04,510 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:47:04,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:47:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash 659203, now seen corresponding path program 2 times [2022-02-11 09:47:04,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:47:04,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886185814] [2022-02-11 09:47:04,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:47:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:47:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:47:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:47:04,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:47:04,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886185814] [2022-02-11 09:47:04,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886185814] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:47:04,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:47:04,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 09:47:04,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629665376] [2022-02-11 09:47:04,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:47:04,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 09:47:04,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:47:04,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 09:47:04,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-11 09:47:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,623 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:47:04,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:47:04,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:04,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:04,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 09:47:04,757 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:47:04,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:47:04,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1232315185, now seen corresponding path program 3 times [2022-02-11 09:47:04,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:47:04,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387960968] [2022-02-11 09:47:04,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:47:04,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:47:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:47:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:47:04,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:47:04,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387960968] [2022-02-11 09:47:04,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387960968] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:47:04,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:47:04,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 09:47:04,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582547667] [2022-02-11 09:47:04,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:47:04,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 09:47:04,933 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:47:04,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 09:47:04,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-11 09:47:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,938 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:47:04,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:47:04,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:04,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:04,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:04,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:05,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:05,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService [2022-02-11 09:47:05,076 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:47:05,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:47:05,077 INFO L85 PathProgramCache]: Analyzing trace with hash 466433845, now seen corresponding path program 4 times [2022-02-11 09:47:05,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:47:05,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565837419] [2022-02-11 09:47:05,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:47:05,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:47:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:47:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:47:05,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:47:05,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565837419] [2022-02-11 09:47:05,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565837419] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:47:05,314 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:47:05,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-11 09:47:05,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67157266] [2022-02-11 09:47:05,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:47:05,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 09:47:05,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:47:05,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 09:47:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-11 09:47:05,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:05,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:47:05,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:47:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:47:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 09:47:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:47:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 09:47:05,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 09:47:05,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 09:47:05,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 09:47:05,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService [2022-02-11 09:47:05,567 INFO L733 BasicCegarLoop]: Path program histogram: [4, 1] [2022-02-11 09:47:05,569 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 09:47:05,569 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 09:47:05,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 09:47:05 BasicIcfg [2022-02-11 09:47:05,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 09:47:05,572 INFO L158 Benchmark]: Toolchain (without parser) took 3139.75ms. Allocated memory was 173.0MB in the beginning and 250.6MB in the end (delta: 77.6MB). Free memory was 116.9MB in the beginning and 178.5MB in the end (delta: -61.6MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-02-11 09:47:05,572 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 173.0MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 09:47:05,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.96ms. Allocated memory was 173.0MB in the beginning and 250.6MB in the end (delta: 77.6MB). Free memory was 116.7MB in the beginning and 221.6MB in the end (delta: -104.9MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2022-02-11 09:47:05,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.20ms. Allocated memory is still 250.6MB. Free memory was 221.1MB in the beginning and 219.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 09:47:05,572 INFO L158 Benchmark]: Boogie Preprocessor took 18.45ms. Allocated memory is still 250.6MB. Free memory was 219.5MB in the beginning and 218.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 09:47:05,573 INFO L158 Benchmark]: RCFGBuilder took 508.15ms. Allocated memory is still 250.6MB. Free memory was 218.4MB in the beginning and 202.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-11 09:47:05,573 INFO L158 Benchmark]: TraceAbstraction took 2347.19ms. Allocated memory is still 250.6MB. Free memory was 202.2MB in the beginning and 178.5MB in the end (delta: 23.7MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. [2022-02-11 09:47:05,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 173.0MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.96ms. Allocated memory was 173.0MB in the beginning and 250.6MB in the end (delta: 77.6MB). Free memory was 116.7MB in the beginning and 221.6MB in the end (delta: -104.9MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.20ms. Allocated memory is still 250.6MB. Free memory was 221.1MB in the beginning and 219.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.45ms. Allocated memory is still 250.6MB. Free memory was 219.5MB in the beginning and 218.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 508.15ms. Allocated memory is still 250.6MB. Free memory was 218.4MB in the beginning and 202.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2347.19ms. Allocated memory is still 250.6MB. Free memory was 202.2MB in the beginning and 178.5MB in the end (delta: 23.7MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 835, positive: 811, positive conditional: 385, positive unconditional: 426, negative: 24, negative conditional: 17, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1875, positive: 1840, positive conditional: 508, positive unconditional: 1332, negative: 35, negative conditional: 19, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1875, positive: 1840, positive conditional: 508, positive unconditional: 1332, negative: 35, negative conditional: 19, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1928, positive: 1840, positive conditional: 439, positive unconditional: 1401, negative: 88, negative conditional: 53, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1928, positive: 1840, positive conditional: 138, positive unconditional: 1702, negative: 88, negative conditional: 32, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1928, positive: 1840, positive conditional: 138, positive unconditional: 1702, negative: 88, negative conditional: 32, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 723, positive: 707, positive conditional: 0, positive unconditional: 707, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 723, positive: 679, positive conditional: 0, positive unconditional: 679, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 40, negative conditional: 16, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1928, positive: 1133, positive conditional: 138, positive unconditional: 995, negative: 72, negative conditional: 26, negative unconditional: 46, unknown: 723, unknown conditional: 6, unknown unconditional: 717] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 0, Positive unconditional cache size: 707, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 322, Maximal queried relation: 4, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 270, Number of trivial persistent sets: 261, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 433, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 835, positive: 811, positive conditional: 385, positive unconditional: 426, negative: 24, negative conditional: 17, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1875, positive: 1840, positive conditional: 508, positive unconditional: 1332, negative: 35, negative conditional: 19, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1875, positive: 1840, positive conditional: 508, positive unconditional: 1332, negative: 35, negative conditional: 19, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1928, positive: 1840, positive conditional: 439, positive unconditional: 1401, negative: 88, negative conditional: 53, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1928, positive: 1840, positive conditional: 138, positive unconditional: 1702, negative: 88, negative conditional: 32, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1928, positive: 1840, positive conditional: 138, positive unconditional: 1702, negative: 88, negative conditional: 32, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 723, positive: 707, positive conditional: 0, positive unconditional: 707, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 723, positive: 679, positive conditional: 0, positive unconditional: 679, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 40, negative conditional: 16, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1928, positive: 1133, positive conditional: 138, positive unconditional: 995, negative: 72, negative conditional: 26, negative unconditional: 46, unknown: 723, unknown conditional: 6, unknown unconditional: 717] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 0, Positive unconditional cache size: 707, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 322, Maximal queried relation: 4, Independence queries for same thread: 4 - 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: 102]: 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, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1234 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! [2022-02-11 09:47:05,603 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 [2022-02-11 09:47:05,803 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...