./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw --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 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:19:59,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:19:59,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:19:59,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:19:59,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:19:59,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:19:59,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:19:59,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:19:59,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:19:59,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:19:59,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:19:59,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:19:59,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:19:59,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:19:59,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:19:59,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:19:59,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:19:59,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:19:59,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:19:59,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:19:59,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:19:59,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:19:59,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:19:59,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:19:59,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:19:59,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:19:59,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:19:59,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:19:59,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:19:59,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:19:59,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:19:59,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:19:59,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:19:59,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:19:59,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:19:59,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:19:59,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:19:59,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:19:59,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:19:59,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:19:59,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:19:59,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:20:00,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:20:00,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:20:00,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:20:00,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:20:00,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:20:00,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:20:00,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:20:00,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:20:00,048 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:20:00,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:20:00,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:20:00,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:20:00,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:20:00,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:20:00,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:20:00,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:20:00,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:20:00,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:20:00,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:20:00,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:20:00,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:20:00,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:20:00,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:20:00,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:20:00,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:20:00,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:00,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:20:00,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:20:00,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:20:00,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:20:00,055 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:20:00,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:20:00,056 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:20:00,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:20:00,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:20:00,057 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:20:00,057 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:20:00,057 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_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 [2021-11-23 14:20:00,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:20:00,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:20:00,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:20:00,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:20:00,518 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:20:00,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2021-11-23 14:20:00,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/data/d6ffcf6f7/12793d6f2fec459f8665917e2e55a1cb/FLAG3b09ff2c9 [2021-11-23 14:20:01,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:20:01,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2021-11-23 14:20:01,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/data/d6ffcf6f7/12793d6f2fec459f8665917e2e55a1cb/FLAG3b09ff2c9 [2021-11-23 14:20:01,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/data/d6ffcf6f7/12793d6f2fec459f8665917e2e55a1cb [2021-11-23 14:20:01,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:20:01,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:20:01,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:01,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:20:01,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:20:01,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4bba49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01, skipping insertion in model container [2021-11-23 14:20:01,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:20:01,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:20:01,703 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_ce533bb8-78b7-491c-a83f-76bf635b4a11/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2021-11-23 14:20:01,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:01,723 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:20:01,758 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_ce533bb8-78b7-491c-a83f-76bf635b4a11/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2021-11-23 14:20:01,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:01,780 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:20:01,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01 WrapperNode [2021-11-23 14:20:01,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:01,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:01,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:20:01,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:20:01,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,864 INFO L137 Inliner]: procedures = 23, calls = 45, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 349 [2021-11-23 14:20:01,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:01,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:20:01,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:20:01,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:20:01,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:20:01,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:20:01,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:20:01,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:20:01,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (1/1) ... [2021-11-23 14:20:01,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:02,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:02,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:02,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 14:20:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 14:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 14:20:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 14:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 14:20:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 14:20:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:20:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:20:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:20:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 14:20:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 14:20:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:20:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:20:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:20:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:20:02,109 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:20:02,318 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:20:02,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:20:03,092 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:20:03,743 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:20:03,743 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 14:20:03,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:03 BoogieIcfgContainer [2021-11-23 14:20:03,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:20:03,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:20:03,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:20:03,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:20:03,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:01" (1/3) ... [2021-11-23 14:20:03,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd77e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:03, skipping insertion in model container [2021-11-23 14:20:03,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:01" (2/3) ... [2021-11-23 14:20:03,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd77e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:03, skipping insertion in model container [2021-11-23 14:20:03,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:03" (3/3) ... [2021-11-23 14:20:03,759 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2021-11-23 14:20:03,765 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:20:03,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:20:03,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 14:20:03,766 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:20:03,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,828 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,828 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,828 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,836 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,836 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,836 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,836 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,837 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,837 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,837 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,844 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,852 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,852 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,866 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,869 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,869 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,869 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,869 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,869 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,875 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,875 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,875 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,876 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,876 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,876 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,876 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,876 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,879 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,879 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,888 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,888 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,888 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,889 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,894 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,895 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,900 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,911 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,911 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:03,915 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-23 14:20:03,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:20:03,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:03,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:04,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:20:04,041 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:20:04,051 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 [2021-11-23 14:20:04,051 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 14:20:04,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:20:04,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:04,246 INFO L85 PathProgramCache]: Analyzing trace with hash 646482574, now seen corresponding path program 1 times [2021-11-23 14:20:04,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:04,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467665968] [2021-11-23 14:20:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:04,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:04,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:04,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467665968] [2021-11-23 14:20:04,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467665968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:04,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:04,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:20:04,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937105418] [2021-11-23 14:20:04,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:04,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:20:04,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:04,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:20:04,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:20:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:04,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:04,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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) [2021-11-23 14:20:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:04,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:20:04,913 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:20:04,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash 20855367, now seen corresponding path program 1 times [2021-11-23 14:20:04,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:04,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942160938] [2021-11-23 14:20:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:04,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:06,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:06,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942160938] [2021-11-23 14:20:06,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942160938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:06,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:06,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:20:06,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919497427] [2021-11-23 14:20:06,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:06,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 14:20:06,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:06,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 14:20:06,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:20:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:06,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:06,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 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) [2021-11-23 14:20:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:07,798 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_#in~a#1_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,799 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_#res#1_153| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,800 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_#in~a#1_107| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,800 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_~b#1_211| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,800 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_#in~b#1_110| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,801 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_~a#1_206| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,801 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_#res#1_154| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,802 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_~b#1_212| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,802 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~ite17#1_33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,802 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_~a#1_205| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,803 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_assume_abort_if_not_#in~cond#1_149| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,803 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_assume_abort_if_not_~cond#1_195| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,804 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_assume_abort_if_not_~cond#1_196| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,804 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~ite19#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,804 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_minus_#in~b#1_109| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,805 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_assume_abort_if_not_#in~cond#1_150| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,805 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~ret18#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,806 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~ret16#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,806 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~ret20#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,868 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_assume_abort_if_not_~cond#1_200| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,869 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_assume_abort_if_not_~cond#1_199| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,869 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_assume_abort_if_not_#in~cond#1_155| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,870 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_assume_abort_if_not_#in~cond#1_156| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,870 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_#in~a#1_119| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,870 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_#in~b#1_119| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~ite10#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_#in~b#1_120| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_#res#1_152| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,872 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_#res#1_151| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,872 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~ret11#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,873 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_#in~a#1_120| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,873 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~ret9#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,873 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_~a#1_211| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,874 WARN L322 ript$VariableManager]: TermVariabe v_~result_13~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,874 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_~b#1_215| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,874 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_~b#1_216| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,875 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_minus_~a#1_212| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,875 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~ret13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:07,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:20:07,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-23 14:20:07,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-23 14:20:07,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-23 14:20:07,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-23 14:20:07,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:20:07,997 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 14:20:07,999 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 14:20:08,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 14:20:08,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:20:08 BasicIcfg [2021-11-23 14:20:08,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 14:20:08,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:20:08,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:20:08,004 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:20:08,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:03" (3/4) ... [2021-11-23 14:20:08,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 14:20:08,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-23 14:20:08,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-23 14:20:08,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-23 14:20:08,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 14:20:08,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 14:20:08,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 14:20:08,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:20:08,080 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/witness.graphml [2021-11-23 14:20:08,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:20:08,082 INFO L158 Benchmark]: Toolchain (without parser) took 6729.81ms. Allocated memory was 86.0MB in the beginning and 169.9MB in the end (delta: 83.9MB). Free memory was 52.2MB in the beginning and 91.6MB in the end (delta: -39.4MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,082 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:20:08,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.41ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 52.0MB in the beginning and 100.8MB in the end (delta: -48.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.56ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 98.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,084 INFO L158 Benchmark]: Boogie Preprocessor took 100.14ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,085 INFO L158 Benchmark]: RCFGBuilder took 1772.50ms. Allocated memory is still 125.8MB. Free memory was 96.0MB in the beginning and 71.2MB in the end (delta: 24.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,086 INFO L158 Benchmark]: TraceAbstraction took 4252.83ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 70.4MB in the beginning and 95.7MB in the end (delta: -25.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,086 INFO L158 Benchmark]: Witness Printer took 77.16ms. Allocated memory is still 169.9MB. Free memory was 95.7MB in the beginning and 91.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:20:08,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.41ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 52.0MB in the beginning and 100.8MB in the end (delta: -48.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.56ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 98.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.14ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1772.50ms. Allocated memory is still 125.8MB. Free memory was 96.0MB in the beginning and 71.2MB in the end (delta: 24.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4252.83ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 70.4MB in the beginning and 95.7MB in the end (delta: -25.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Witness Printer took 77.16ms. Allocated memory is still 169.9MB. Free memory was 95.7MB in the beginning and 91.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 818, positive: 811, positive conditional: 459, positive unconditional: 352, negative: 7, negative conditional: 3, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 459, positive unconditional: 352, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 459, positive unconditional: 352, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 311, positive unconditional: 500, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 815, positive: 811, positive conditional: 89, positive unconditional: 722, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 89, positive unconditional: 722, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, positive: 362, positive conditional: 1, positive unconditional: 361, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, positive: 362, positive conditional: 0, positive unconditional: 362, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 815, positive: 449, positive conditional: 88, positive unconditional: 361, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 366, unknown conditional: 1, unknown unconditional: 365] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 362, Positive conditional cache size: 1, Positive unconditional cache size: 361, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 222, Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 227, Number of trivial persistent sets: 209, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, positive: 352, positive conditional: 0, positive unconditional: 352, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 818, positive: 811, positive conditional: 459, positive unconditional: 352, negative: 7, negative conditional: 3, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 459, positive unconditional: 352, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 459, positive unconditional: 352, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 311, positive unconditional: 500, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 815, positive: 811, positive conditional: 89, positive unconditional: 722, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 815, positive: 811, positive conditional: 89, positive unconditional: 722, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, positive: 362, positive conditional: 1, positive unconditional: 361, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, positive: 362, positive conditional: 0, positive unconditional: 362, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 815, positive: 449, positive conditional: 88, positive unconditional: 361, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 366, unknown conditional: 1, unknown unconditional: 365] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 362, Positive conditional cache size: 1, Positive unconditional cache size: 361, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 222, Maximal queried relation: 0, Independence queries for same thread: 3 - 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: 100]: 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, 140 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 2173 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! [2021-11-23 14:20:08,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:08,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce533bb8-78b7-491c-a83f-76bf635b4a11/bin/ugemcutter-aZbSL5k0Dw/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