./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe032_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe032_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:50:08,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:50:08,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:50:08,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:50:08,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:50:08,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:50:08,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:50:08,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:50:08,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:50:08,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:50:08,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:50:08,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:50:08,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:50:08,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:50:08,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:50:08,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:50:08,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:50:08,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:50:08,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:50:08,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:50:08,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:50:08,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:50:08,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:50:08,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:50:08,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:50:08,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:50:08,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:50:08,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:50:08,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:50:08,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:50:08,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:50:08,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:50:08,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:50:08,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:50:08,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:50:08,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:50:08,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:50:08,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:50:08,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:50:08,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:50:08,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:50:08,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:50:08,419 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:50:08,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:50:08,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:50:08,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:50:08,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:50:08,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:50:08,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:50:08,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:50:08,422 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:50:08,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:50:08,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:50:08,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:50:08,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:50:08,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:50:08,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:50:08,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:50:08,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:50:08,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:50:08,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:50:08,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:50:08,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:50:08,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:50:08,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:50:08,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:50:08,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:50:08,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:50:08,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:50:08,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:50:08,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:50:08,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:50:08,426 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:50:08,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:50:08,427 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:50:08,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:50:08,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:50:08,427 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:50:08,428 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:50:08,428 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 [2021-12-07 09:50:08,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:50:08,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:50:08,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:50:08,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:50:08,673 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:50:08,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-wmm/safe032_tso.i [2021-12-07 09:50:08,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/data/263f465d3/a9f93d9d885a46ebb6ba814ee2a7621f/FLAG54ff186f9 [2021-12-07 09:50:09,381 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:50:09,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/sv-benchmarks/c/pthread-wmm/safe032_tso.i [2021-12-07 09:50:09,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/data/263f465d3/a9f93d9d885a46ebb6ba814ee2a7621f/FLAG54ff186f9 [2021-12-07 09:50:09,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/data/263f465d3/a9f93d9d885a46ebb6ba814ee2a7621f [2021-12-07 09:50:09,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:50:09,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:50:09,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:50:09,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:50:09,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:50:09,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:50:09" (1/1) ... [2021-12-07 09:50:09,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2b6d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:09, skipping insertion in model container [2021-12-07 09:50:09,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:50:09" (1/1) ... [2021-12-07 09:50:09,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:50:09,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:50:09,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/sv-benchmarks/c/pthread-wmm/safe032_tso.i[945,958] [2021-12-07 09:50:10,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:50:10,076 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:50:10,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/sv-benchmarks/c/pthread-wmm/safe032_tso.i[945,958] [2021-12-07 09:50:10,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:50:10,203 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:50:10,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10 WrapperNode [2021-12-07 09:50:10,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:50:10,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:50:10,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:50:10,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:50:10,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,274 INFO L137 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-12-07 09:50:10,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:50:10,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:50:10,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:50:10,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:50:10,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:50:10,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:50:10,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:50:10,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:50:10,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (1/1) ... [2021-12-07 09:50:10,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:50:10,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:10,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:50:10,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:50:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:50:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 09:50:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:50:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:50:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:50:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-07 09:50:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-07 09:50:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-07 09:50:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-07 09:50:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-07 09:50:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-07 09:50:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:50:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 09:50:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:50:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:50:10,429 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:50:10,556 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:50:10,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:50:10,758 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:50:10,765 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:50:10,766 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 09:50:10,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:50:10 BoogieIcfgContainer [2021-12-07 09:50:10,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:50:10,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:50:10,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:50:10,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:50:10,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:50:09" (1/3) ... [2021-12-07 09:50:10,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb7d557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:50:10, skipping insertion in model container [2021-12-07 09:50:10,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:50:10" (2/3) ... [2021-12-07 09:50:10,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb7d557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:50:10, skipping insertion in model container [2021-12-07 09:50:10,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:50:10" (3/3) ... [2021-12-07 09:50:10,775 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.i [2021-12-07 09:50:10,780 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:50:10,780 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:50:10,781 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:50:10,781 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:50:10,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,828 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,829 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,829 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,829 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,829 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,829 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,830 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,830 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,830 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,831 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,831 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,831 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,832 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,832 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,834 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,838 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,838 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,839 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,840 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,840 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,862 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,863 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,863 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,863 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,867 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,868 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,870 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,871 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:50:10,873 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-07 09:50:10,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:50:10,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:50:10,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:50:10,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:50:10,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:50:10,971 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 [2021-12-07 09:50:10,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 09:50:11,190 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:11,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1132094734, now seen corresponding path program 1 times [2021-12-07 09:50:11,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:11,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364189551] [2021-12-07 09:50:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:11,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:11,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:11,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364189551] [2021-12-07 09:50:11,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364189551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:11,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:11,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:50:11,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038619986] [2021-12-07 09:50:11,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:11,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:50:11,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:11,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:50:11,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:50:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:11,567 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:11,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-12-07 09:50:11,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:11,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:50:11,611 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:11,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:11,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1766863384, now seen corresponding path program 1 times [2021-12-07 09:50:11,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:11,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138329824] [2021-12-07 09:50:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:11,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:11,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:11,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138329824] [2021-12-07 09:50:11,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138329824] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:11,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:11,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 09:50:11,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095938204] [2021-12-07 09:50:11,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:11,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 09:50:11,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:11,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 09:50:11,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 09:50:11,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:11,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:11,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:50:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:11,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:12,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:50:12,043 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -467472889, now seen corresponding path program 1 times [2021-12-07 09:50:12,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:12,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869846197] [2021-12-07 09:50:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:12,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:12,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:12,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869846197] [2021-12-07 09:50:12,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869846197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:12,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:12,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 09:50:12,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837800916] [2021-12-07 09:50:12,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:12,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 09:50:12,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:12,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 09:50:12,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 09:50:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:12,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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) [2021-12-07 09:50:12,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:12,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:50:12,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:50:12,462 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:12,463 INFO L85 PathProgramCache]: Analyzing trace with hash 562199274, now seen corresponding path program 1 times [2021-12-07 09:50:12,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:12,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525696316] [2021-12-07 09:50:12,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:12,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:12,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:12,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525696316] [2021-12-07 09:50:12,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525696316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:12,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:12,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 09:50:12,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988505226] [2021-12-07 09:50:12,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:12,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 09:50:12,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:12,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 09:50:12,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 09:50:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:12,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2021-12-07 09:50:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:50:12,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:50:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:13,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 09:50:13,535 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:50:13,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:50:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash 696364124, now seen corresponding path program 2 times [2021-12-07 09:50:13,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:50:13,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196126738] [2021-12-07 09:50:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:50:13,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:50:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:50:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:50:13,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:50:13,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196126738] [2021-12-07 09:50:13,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196126738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:50:13,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:50:13,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 09:50:13,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482491129] [2021-12-07 09:50:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:50:13,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 09:50:13,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:50:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 09:50:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 09:50:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:13,787 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:50:13,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2021-12-07 09:50:13,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:13,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:13,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:50:13,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:13,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:50:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:50:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:50:14,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 09:50:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:50:14,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-12-07 09:50:14,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-12-07 09:50:14,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-12-07 09:50:14,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-12-07 09:50:14,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 09:50:14,373 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-12-07 09:50:14,375 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-07 09:50:14,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 09:50:14,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:50:14 BasicIcfg [2021-12-07 09:50:14,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 09:50:14,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 09:50:14,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 09:50:14,386 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 09:50:14,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:50:10" (3/4) ... [2021-12-07 09:50:14,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 09:50:14,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-07 09:50:14,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-07 09:50:14,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-12-07 09:50:14,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-12-07 09:50:14,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-07 09:50:14,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 09:50:14,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 09:50:14,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/witness.graphml [2021-12-07 09:50:14,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 09:50:14,453 INFO L158 Benchmark]: Toolchain (without parser) took 4794.45ms. Allocated memory was 102.8MB in the beginning and 184.5MB in the end (delta: 81.8MB). Free memory was 69.0MB in the beginning and 108.1MB in the end (delta: -39.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2021-12-07 09:50:14,453 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:50:14,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.24ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 65.7MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 09:50:14,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.10ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:50:14,454 INFO L158 Benchmark]: Boogie Preprocessor took 55.41ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 62.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:50:14,455 INFO L158 Benchmark]: RCFGBuilder took 436.60ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 50.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 09:50:14,455 INFO L158 Benchmark]: TraceAbstraction took 3614.08ms. Allocated memory was 102.8MB in the beginning and 184.5MB in the end (delta: 81.8MB). Free memory was 49.9MB in the beginning and 111.2MB in the end (delta: -61.4MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-12-07 09:50:14,456 INFO L158 Benchmark]: Witness Printer took 66.83ms. Allocated memory is still 184.5MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:50:14,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.24ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 65.7MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.10ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.41ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 62.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.60ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 50.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3614.08ms. Allocated memory was 102.8MB in the beginning and 184.5MB in the end (delta: 81.8MB). Free memory was 49.9MB in the beginning and 111.2MB in the end (delta: -61.4MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 66.83ms. Allocated memory is still 184.5MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29057, positive: 28149, positive conditional: 26852, positive unconditional: 1297, negative: 908, negative conditional: 882, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28916, positive: 28149, positive conditional: 26852, positive unconditional: 1297, negative: 767, negative conditional: 741, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28916, positive: 28149, positive conditional: 26852, positive unconditional: 1297, negative: 767, negative conditional: 741, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30968, positive: 28149, positive conditional: 26639, positive unconditional: 1510, negative: 2819, negative conditional: 2052, negative unconditional: 767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30968, positive: 28149, positive conditional: 6198, positive unconditional: 21951, negative: 2819, negative conditional: 387, negative unconditional: 2432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30968, positive: 28149, positive conditional: 6198, positive unconditional: 21951, negative: 2819, negative conditional: 387, negative unconditional: 2432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1344, positive: 1313, positive conditional: 11, positive unconditional: 1302, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1344, positive: 1297, positive conditional: 0, positive unconditional: 1297, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 42, positive conditional: 23, positive unconditional: 19, negative: 108, negative conditional: 8, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30968, positive: 26836, positive conditional: 6187, positive unconditional: 20649, negative: 2788, negative conditional: 382, negative unconditional: 2406, unknown: 1344, unknown conditional: 16, unknown unconditional: 1328] , Statistics on independence cache: Total cache size (in pairs): 1344, Positive cache size: 1313, Positive conditional cache size: 11, Positive unconditional cache size: 1302, Negative cache size: 31, Negative conditional cache size: 5, Negative unconditional cache size: 26, Eliminated conditions: 22106, Maximal queried relation: 4, Independence queries for same thread: 141 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 1787, Number of trivial persistent sets: 652, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1323, positive: 1297, positive conditional: 0, positive unconditional: 1297, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29057, positive: 28149, positive conditional: 26852, positive unconditional: 1297, negative: 908, negative conditional: 882, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28916, positive: 28149, positive conditional: 26852, positive unconditional: 1297, negative: 767, negative conditional: 741, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28916, positive: 28149, positive conditional: 26852, positive unconditional: 1297, negative: 767, negative conditional: 741, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30968, positive: 28149, positive conditional: 26639, positive unconditional: 1510, negative: 2819, negative conditional: 2052, negative unconditional: 767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30968, positive: 28149, positive conditional: 6198, positive unconditional: 21951, negative: 2819, negative conditional: 387, negative unconditional: 2432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30968, positive: 28149, positive conditional: 6198, positive unconditional: 21951, negative: 2819, negative conditional: 387, negative unconditional: 2432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1344, positive: 1313, positive conditional: 11, positive unconditional: 1302, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1344, positive: 1297, positive conditional: 0, positive unconditional: 1297, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 42, positive conditional: 23, positive unconditional: 19, negative: 108, negative conditional: 8, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30968, positive: 26836, positive conditional: 6187, positive unconditional: 20649, negative: 2788, negative conditional: 382, negative unconditional: 2406, unknown: 1344, unknown conditional: 16, unknown unconditional: 1328] , Statistics on independence cache: Total cache size (in pairs): 1344, Positive cache size: 1313, Positive conditional cache size: 11, Positive unconditional cache size: 1302, Negative cache size: 31, Negative conditional cache size: 5, Negative unconditional cache size: 26, Eliminated conditions: 22106, Maximal queried relation: 4, Independence queries for same thread: 141 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 808 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! [2021-12-07 09:50:14,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 09:50:14,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5824c646-3bd5-42ed-889b-461415f2e781/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE