./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7 --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 a35b60bbbd0c090995f34e8719adce8c29536559 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:24:26,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:26,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:26,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:26,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:26,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:26,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:26,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:26,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:26,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:26,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:26,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:26,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:26,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:26,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:26,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:26,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:26,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:26,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:26,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:26,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:26,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:26,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:26,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:26,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:26,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:26,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:26,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:26,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:26,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:26,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:26,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:26,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:26,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:26,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:26,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:26,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:26,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:26,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:26,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:26,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:26,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:24:26,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:26,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:26,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:26,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:26,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:26,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:26,985 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:26,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:26,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:26,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:24:26,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:26,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:26,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:26,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:26,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:26,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:26,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:26,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:26,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:26,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:26,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:26,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:24:26,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:26,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:26,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:26,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:26,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:26,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:24:26,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:24:26,995 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:26,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:26,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:26,996 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:26,997 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:26,997 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_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a35b60bbbd0c090995f34e8719adce8c29536559 [2021-10-16 01:24:27,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:27,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:27,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:27,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:27,287 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:27,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/weaver/test-easy8.wvr.c [2021-10-16 01:24:27,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/data/4f0fab8b9/29550ee6384542eab3d2b4c9d9770a8a/FLAG9654935d4 [2021-10-16 01:24:27,851 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:27,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/sv-benchmarks/c/weaver/test-easy8.wvr.c [2021-10-16 01:24:27,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/data/4f0fab8b9/29550ee6384542eab3d2b4c9d9770a8a/FLAG9654935d4 [2021-10-16 01:24:28,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/data/4f0fab8b9/29550ee6384542eab3d2b4c9d9770a8a [2021-10-16 01:24:28,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:28,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:28,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:28,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:28,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:28,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbc3031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28, skipping insertion in model container [2021-10-16 01:24:28,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:28,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:28,473 WARN L228 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_3c3a4799-7b43-4e8b-8be7-840b874525da/sv-benchmarks/c/weaver/test-easy8.wvr.c[1918,1931] [2021-10-16 01:24:28,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:24:28,486 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:24:28,505 WARN L228 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_3c3a4799-7b43-4e8b-8be7-840b874525da/sv-benchmarks/c/weaver/test-easy8.wvr.c[1918,1931] [2021-10-16 01:24:28,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:24:28,522 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:24:28,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28 WrapperNode [2021-10-16 01:24:28,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:28,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:24:28,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:24:28,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:24:28,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:24:28,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:24:28,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:24:28,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:24:28,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:24:28,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:24:28,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:24:28,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:24:28,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (1/1) ... [2021-10-16 01:24:28,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:28,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:28,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:24:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:24:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 01:24:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 01:24:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 01:24:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 01:24:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 01:24:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:24:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 01:24:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 01:24:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 01:24:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:24:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 01:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:24:28,713 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 01:24:29,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:24:29,121 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 01:24:29,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:29 BoogieIcfgContainer [2021-10-16 01:24:29,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 01:24:29,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 01:24:29,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 01:24:29,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 01:24:29,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:28" (1/3) ... [2021-10-16 01:24:29,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9d965a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:29, skipping insertion in model container [2021-10-16 01:24:29,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:28" (2/3) ... [2021-10-16 01:24:29,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9d965a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:29, skipping insertion in model container [2021-10-16 01:24:29,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:29" (3/3) ... [2021-10-16 01:24:29,133 INFO L111 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2021-10-16 01:24:29,139 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 01:24:29,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 01:24:29,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 01:24:29,139 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 01:24:29,167 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,168 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,168 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,168 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,169 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,169 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,169 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,169 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,174 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,174 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,174 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,175 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:29,209 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-16 01:24:29,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 01:24:29,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:29,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 01:24:29,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-16 01:24:29,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-16 01:24:29,316 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 [2021-10-16 01:24:29,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 01:24:29,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-16 01:24:29,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:29,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1201263825, now seen corresponding path program 1 times [2021-10-16 01:24:29,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:29,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188780517] [2021-10-16 01:24:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:29,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:24:29,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:29,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188780517] [2021-10-16 01:24:29,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188780517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:29,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:29,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:24:29,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724505401] [2021-10-16 01:24:29,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 01:24:29,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:29,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 01:24:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:24:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:29,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:24:29,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 01:24:29,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-16 01:24:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:29,740 INFO L82 PathProgramCache]: Analyzing trace with hash 592939804, now seen corresponding path program 1 times [2021-10-16 01:24:29,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:29,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635236216] [2021-10-16 01:24:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:29,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:24:29,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:29,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635236216] [2021-10-16 01:24:29,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635236216] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:29,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:29,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 01:24:29,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280420623] [2021-10-16 01:24:29,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 01:24:29,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:29,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 01:24:29,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 01:24:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:29,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-10-16 01:24:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:24:29,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:24:29,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 01:24:29,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 01:24:29,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 01:24:29,957 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 01:24:29,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 01:24:29,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:24:29 BasicIcfg [2021-10-16 01:24:29,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 01:24:29,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 01:24:29,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 01:24:29,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 01:24:29,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:29" (3/4) ... [2021-10-16 01:24:29,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 01:24:29,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-16 01:24:29,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-16 01:24:29,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-16 01:24:29,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 01:24:29,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:24:29,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:24:30,011 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/witness.graphml [2021-10-16 01:24:30,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 01:24:30,013 INFO L168 Benchmark]: Toolchain (without parser) took 1772.93 ms. Allocated memory is still 107.0 MB. Free memory was 72.7 MB in the beginning and 80.0 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:30,014 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:30,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.04 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 83.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:30,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 107.0 MB. Free memory was 83.4 MB in the beginning and 81.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:30,016 INFO L168 Benchmark]: Boogie Preprocessor took 26.09 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 80.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:30,016 INFO L168 Benchmark]: RCFGBuilder took 531.99 ms. Allocated memory is still 107.0 MB. Free memory was 80.8 MB in the beginning and 69.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:30,017 INFO L168 Benchmark]: TraceAbstraction took 834.41 ms. Allocated memory is still 107.0 MB. Free memory was 68.7 MB in the beginning and 82.9 MB in the end (delta: -14.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:30,018 INFO L168 Benchmark]: Witness Printer took 51.50 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 80.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:30,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.04 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 83.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 107.0 MB. Free memory was 83.4 MB in the beginning and 81.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.09 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 80.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 531.99 ms. Allocated memory is still 107.0 MB. Free memory was 80.8 MB in the beginning and 69.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 834.41 ms. Allocated memory is still 107.0 MB. Free memory was 68.7 MB in the beginning and 82.9 MB in the end (delta: -14.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 51.50 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 80.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 179, positive: 174, positive conditional: 63, positive unconditional: 111, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 63, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 63, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 2, positive unconditional: 172, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 176, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 2, Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 90, Number of persistent set computation: 47, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 179, positive: 174, positive conditional: 63, positive unconditional: 111, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 63, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 63, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 2, positive unconditional: 172, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 176, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 2, Maximal queried relation: 0, Independence queries for same thread: 3 - 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: 71]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 68 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 703.1ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.0ms, PartialOrderReductionTime: 204.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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: 12.9ms SsaConstructionTime, 95.4ms SatisfiabilityAnalysisTime, 168.0ms InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2021-10-16 01:24:30,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-16 01:24:30,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a4799-7b43-4e8b-8be7-840b874525da/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...