/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-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 00:19:00,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 00:19:00,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 00:19:00,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-25 00:19:00,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-25 00:19:00,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-25 00:19:00,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-25 00:19:00,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-25 00:19:00,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-25 00:19:00,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-25 00:19:00,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-25 00:19:00,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-25 00:19:00,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 00:19:00,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 00:19:00,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 00:19:00,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 00:19:00,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 00:19:00,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 00:19:00,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 00:19:00,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 00:19:00,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 00:19:00,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 00:19:00,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 00:19:00,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 00:19:00,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-25 00:19:00,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-25 00:19:00,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-25 00:19:00,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-25 00:19:00,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-25 00:19:00,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-25 00:19:00,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-25 00:19:00,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-25 00:19:00,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-25 00:19:00,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-25 00:19:00,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-25 00:19:00,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-25 00:19:00,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-25 00:19:00,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-25 00:19:00,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 00:19:00,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 00:19:00,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 00:19:00,648 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-Uncond-NoLbe-Lockstep.epf [2021-10-25 00:19:00,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 00:19:00,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 00:19:00,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 00:19:00,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 00:19:00,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 00:19:00,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 00:19:00,682 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 00:19:00,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 00:19:00,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 00:19:00,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 00:19:00,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 00:19:00,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 00:19:00,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 00:19:00,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 00:19:00,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 00:19:00,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 00:19:00,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 00:19:00,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 00:19:00,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 00:19:00,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 00:19:00,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 00:19:00,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 00:19:00,687 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 00:19:00,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 00:19:00,687 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 00:19:00,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 00:19:00,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 00:19:00,688 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 00:19:00,688 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 00:19:00,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 00:19:00,688 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 00:19:00,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 00:19:00,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 00:19:00,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 00:19:00,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 00:19:00,944 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 00:19:00,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2021-10-25 00:19:01,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35c288b9/7f5cd6bf827340959a5db1982faf2fe7/FLAGfd4d8b639 [2021-10-25 00:19:01,514 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 00:19:01,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2021-10-25 00:19:01,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35c288b9/7f5cd6bf827340959a5db1982faf2fe7/FLAGfd4d8b639 [2021-10-25 00:19:01,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35c288b9/7f5cd6bf827340959a5db1982faf2fe7 [2021-10-25 00:19:01,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 00:19:01,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 00:19:01,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 00:19:02,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 00:19:02,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 00:19:02,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:19:01" (1/1) ... [2021-10-25 00:19:02,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a65dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02, skipping insertion in model container [2021-10-25 00:19:02,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:19:01" (1/1) ... [2021-10-25 00:19:02,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 00:19:02,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 00:19:02,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i[950,963] [2021-10-25 00:19:02,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 00:19:02,338 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 00:19:02,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i[950,963] [2021-10-25 00:19:02,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 00:19:02,433 INFO L208 MainTranslator]: Completed translation [2021-10-25 00:19:02,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02 WrapperNode [2021-10-25 00:19:02,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 00:19:02,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 00:19:02,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 00:19:02,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 00:19:02,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 00:19:02,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 00:19:02,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 00:19:02,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 00:19:02,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 00:19:02,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 00:19:02,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 00:19:02,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 00:19:02,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (1/1) ... [2021-10-25 00:19:02,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 00:19:02,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:19:02,560 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) [2021-10-25 00:19:02,565 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 [2021-10-25 00:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 00:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-25 00:19:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 00:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 00:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-25 00:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-25 00:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-25 00:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-25 00:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-25 00:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-25 00:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-25 00:19:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-25 00:19:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 00:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-25 00:19:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 00:19:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 00:19:02,600 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 00:19:03,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 00:19:03,035 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-25 00:19:03,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:19:03 BoogieIcfgContainer [2021-10-25 00:19:03,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 00:19:03,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 00:19:03,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 00:19:03,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 00:19:03,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:19:01" (1/3) ... [2021-10-25 00:19:03,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e1a819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:19:03, skipping insertion in model container [2021-10-25 00:19:03,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:19:02" (2/3) ... [2021-10-25 00:19:03,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e1a819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:19:03, skipping insertion in model container [2021-10-25 00:19:03,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:19:03" (3/3) ... [2021-10-25 00:19:03,044 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2021-10-25 00:19:03,049 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 00:19:03,049 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 00:19:03,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 00:19:03,050 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 00:19:03,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,102 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,102 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,104 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,110 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,110 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,115 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,116 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,123 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,124 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:19:03,143 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 00:19:03,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 00:19:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:19:03,183 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) [2021-10-25 00:19:03,197 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 [2021-10-25 00:19:03,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 00:19:03,221 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, mConcurrency=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 [2021-10-25 00:19:03,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-25 00:19:03,380 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-25 00:19:03,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:19:03,385 INFO L82 PathProgramCache]: Analyzing trace with hash -932745741, now seen corresponding path program 1 times [2021-10-25 00:19:03,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:19:03,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677097533] [2021-10-25 00:19:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:19:03,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:19:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:19:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:19:03,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:19:03,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677097533] [2021-10-25 00:19:03,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677097533] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:19:03,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:19:03,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 00:19:03,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949088795] [2021-10-25 00:19:03,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 00:19:03,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:19:03,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 00:19:03,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 00:19:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:03,689 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:19:03,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 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) [2021-10-25 00:19:03,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:03,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 00:19:03,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-25 00:19:03,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:19:03,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1809678812, now seen corresponding path program 1 times [2021-10-25 00:19:03,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:19:03,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416460277] [2021-10-25 00:19:03,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:19:03,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:19:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:19:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:19:04,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:19:04,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416460277] [2021-10-25 00:19:04,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416460277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:19:04,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:19:04,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-25 00:19:04,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253631662] [2021-10-25 00:19:04,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 00:19:04,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:19:04,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 00:19:04,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-25 00:19:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:04,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:19:04,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-10-25 00:19:04,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:04,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:19:06,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 00:19:06,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-25 00:19:06,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:19:06,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2030794226, now seen corresponding path program 2 times [2021-10-25 00:19:06,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:19:06,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070110483] [2021-10-25 00:19:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:19:06,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:19:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:19:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:19:07,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:19:07,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070110483] [2021-10-25 00:19:07,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070110483] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:19:07,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:19:07,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-25 00:19:07,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208571713] [2021-10-25 00:19:07,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 00:19:07,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:19:07,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 00:19:07,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-25 00:19:07,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:19:07,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-10-25 00:19:07,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:19:07,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:19:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 00:19:07,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 00:19:07,367 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-25 00:19:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:19:07,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1170906636, now seen corresponding path program 3 times [2021-10-25 00:19:07,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:19:07,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688664400] [2021-10-25 00:19:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:19:07,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:19:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:19:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:19:07,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:19:07,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688664400] [2021-10-25 00:19:07,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688664400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:19:07,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:19:07,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 00:19:07,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545521128] [2021-10-25 00:19:07,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 00:19:07,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:19:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 00:19:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-25 00:19:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:19:07,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2021-10-25 00:19:07,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:19:07,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 00:19:07,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:19:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 00:19:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 00:19:07,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-25 00:19:07,584 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-25 00:19:07,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:19:07,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2117392304, now seen corresponding path program 4 times [2021-10-25 00:19:07,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:19:07,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103313120] [2021-10-25 00:19:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:19:07,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:19:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:19:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:19:07,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:19:07,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103313120] [2021-10-25 00:19:07,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103313120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:19:07,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:19:07,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-25 00:19:07,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181624064] [2021-10-25 00:19:07,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 00:19:07,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:19:07,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 00:19:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-25 00:19:07,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:19:07,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 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) [2021-10-25 00:19:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:19:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 00:19:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 00:19:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:09,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:09,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-25 00:19:09,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 00:19:09,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 00:19:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:19:09,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-25 00:19:09,304 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-25 00:19:09,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:19:09,305 INFO L82 PathProgramCache]: Analyzing trace with hash -796091634, now seen corresponding path program 5 times [2021-10-25 00:19:09,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:19:09,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844553836] [2021-10-25 00:19:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:19:09,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:19:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:19:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:19:09,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:19:09,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844553836] [2021-10-25 00:19:09,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844553836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:19:09,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:19:09,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 00:19:09,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258479802] [2021-10-25 00:19:09,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 00:19:09,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:19:09,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 00:19:09,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-25 00:19:09,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:09,411 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:19:09,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2021-10-25 00:19:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-25 00:19:09,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 00:19:09,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 00:19:09,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:19:09,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-25 00:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 00:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 00:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:19:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 00:19:10,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 00:19:10,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 00:19:10,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 00:19:10,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 00:19:10,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-25 00:19:10,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-25 00:19:10,649 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 00:19:10,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 00:19:10,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:19:10 BasicIcfg [2021-10-25 00:19:10,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 00:19:10,653 INFO L168 Benchmark]: Toolchain (without parser) took 8655.55 ms. Allocated memory was 176.2 MB in the beginning and 572.5 MB in the end (delta: 396.4 MB). Free memory was 124.4 MB in the beginning and 199.3 MB in the end (delta: -75.0 MB). Peak memory consumption was 340.7 MB. Max. memory is 8.0 GB. [2021-10-25 00:19:10,653 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory was 142.2 MB in the beginning and 142.1 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 00:19:10,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.06 ms. Allocated memory is still 176.2 MB. Free memory was 124.2 MB in the beginning and 141.1 MB in the end (delta: -16.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-25 00:19:10,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.40 ms. Allocated memory is still 176.2 MB. Free memory was 141.1 MB in the beginning and 139.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 00:19:10,654 INFO L168 Benchmark]: Boogie Preprocessor took 37.23 ms. Allocated memory is still 176.2 MB. Free memory was 139.5 MB in the beginning and 138.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 00:19:10,654 INFO L168 Benchmark]: RCFGBuilder took 508.53 ms. Allocated memory is still 176.2 MB. Free memory was 138.0 MB in the beginning and 111.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-10-25 00:19:10,654 INFO L168 Benchmark]: TraceAbstraction took 7612.74 ms. Allocated memory was 176.2 MB in the beginning and 572.5 MB in the end (delta: 396.4 MB). Free memory was 110.7 MB in the beginning and 199.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 327.7 MB. Max. memory is 8.0 GB. [2021-10-25 00:19:10,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory was 142.2 MB in the beginning and 142.1 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.06 ms. Allocated memory is still 176.2 MB. Free memory was 124.2 MB in the beginning and 141.1 MB in the end (delta: -16.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.40 ms. Allocated memory is still 176.2 MB. Free memory was 141.1 MB in the beginning and 139.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.23 ms. Allocated memory is still 176.2 MB. Free memory was 139.5 MB in the beginning and 138.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 508.53 ms. Allocated memory is still 176.2 MB. Free memory was 138.0 MB in the beginning and 111.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7612.74 ms. Allocated memory was 176.2 MB in the beginning and 572.5 MB in the end (delta: 396.4 MB). Free memory was 110.7 MB in the beginning and 199.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 327.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 464470, positive: 451466, positive conditional: 449354, positive unconditional: 2112, negative: 13004, negative conditional: 12974, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 458420, positive: 451466, positive conditional: 0, positive unconditional: 451466, negative: 6954, negative conditional: 0, negative unconditional: 6954, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2176, positive: 2146, positive conditional: 0, positive unconditional: 2146, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2176, positive: 2134, positive conditional: 0, positive unconditional: 2134, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 458420, positive: 449320, positive conditional: 0, positive unconditional: 449320, negative: 6924, negative conditional: 0, negative unconditional: 6924, unknown: 2176, unknown conditional: 0, unknown unconditional: 2176] , Statistics on independence cache: Total cache size (in pairs): 2176, Positive cache size: 2146, Positive conditional cache size: 0, Positive unconditional cache size: 2146, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 6050 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1104, Number of persistent set computation: 19181, Number of trivial persistent sets: 17422, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 464470, positive: 451466, positive conditional: 449354, positive unconditional: 2112, negative: 13004, negative conditional: 12974, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 458420, positive: 451466, positive conditional: 0, positive unconditional: 451466, negative: 6954, negative conditional: 0, negative unconditional: 6954, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2176, positive: 2146, positive conditional: 0, positive unconditional: 2146, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2176, positive: 2134, positive conditional: 0, positive unconditional: 2134, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 458420, positive: 449320, positive conditional: 0, positive unconditional: 449320, negative: 6924, negative conditional: 0, negative unconditional: 6924, unknown: 2176, unknown conditional: 0, unknown unconditional: 2176] , Statistics on independence cache: Total cache size (in pairs): 2176, Positive cache size: 2146, Positive conditional cache size: 0, Positive unconditional cache size: 2146, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 6050 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 127 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7469.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 6069.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 43.5ms SsaConstructionTime, 220.4ms SatisfiabilityAnalysisTime, 870.3ms InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 1385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2021-10-25 00:19:10,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 00:19:11,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...