./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e65812efd79e833978ab1548160841e061a451f72b6ff490ed9b7c0a593a91c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:42:54,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:42:54,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:42:54,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:42:54,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:42:54,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:42:54,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:42:54,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:42:54,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:42:54,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:42:54,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:42:54,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:42:54,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:42:54,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:42:54,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:42:54,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:42:54,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:42:54,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:42:54,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:42:54,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:42:54,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:42:54,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:42:54,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:42:54,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:42:54,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:42:54,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:42:54,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:42:54,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:42:54,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:42:54,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:42:54,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:42:54,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:42:54,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:42:54,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:42:54,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:42:54,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:42:54,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:42:54,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:42:54,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:42:54,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:42:54,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:42:54,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-11-25 18:42:54,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:42:54,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:42:54,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:42:54,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:42:54,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:42:54,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:42:54,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:42:54,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:42:54,598 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:42:54,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:42:54,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:42:54,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:42:54,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:42:54,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:42:54,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:42:54,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:42:54,600 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:42:54,600 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:42:54,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:42:54,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:42:54,601 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:42:54,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:42:54,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:42:54,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:42:54,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:42:54,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:42:54,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:42:54,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:42:54,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:42:54,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:42:54,604 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:42:54,604 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:42:54,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:42:54,604 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:42:54,605 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:42:54,605 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_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e65812efd79e833978ab1548160841e061a451f72b6ff490ed9b7c0a593a91c [2022-11-25 18:42:54,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:42:54,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:42:54,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:42:54,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:42:54,992 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:42:54,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread/twostage_3.i [2022-11-25 18:42:57,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:42:58,368 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:42:58,371 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/sv-benchmarks/c/pthread/twostage_3.i [2022-11-25 18:42:58,396 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data/be60d07ae/9c8dd6af6bca4a298aa90dd8bdbd61f7/FLAG9839dd90c [2022-11-25 18:42:58,416 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data/be60d07ae/9c8dd6af6bca4a298aa90dd8bdbd61f7 [2022-11-25 18:42:58,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:42:58,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:42:58,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:42:58,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:42:58,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:42:58,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:42:58" (1/1) ... [2022-11-25 18:42:58,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762e8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:58, skipping insertion in model container [2022-11-25 18:42:58,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:42:58" (1/1) ... [2022-11-25 18:42:58,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:42:58,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:42:59,108 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,109 WARN L237 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_86bbc967-19fe-43e1-a3ab-643d86da9f26/sv-benchmarks/c/pthread/twostage_3.i[58991,59004] [2022-11-25 18:42:59,115 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,120 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,121 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,125 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,128 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,130 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,132 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,134 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:42:59,135 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,136 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:42:59,136 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:42:59,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:42:59,148 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-25 18:42:59,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ee0f5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:59, skipping insertion in model container [2022-11-25 18:42:59,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:42:59,150 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:42:59,152 INFO L158 Benchmark]: Toolchain (without parser) took 727.91ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 97.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:42:59,152 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:42:59,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.99ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 97.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:42:59,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.99ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 97.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1284]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e65812efd79e833978ab1548160841e061a451f72b6ff490ed9b7c0a593a91c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:43:01,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:43:01,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:43:01,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:43:01,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:43:01,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:43:01,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:43:01,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:43:01,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:43:01,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:43:01,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:43:01,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:43:01,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:43:01,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:43:01,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:43:01,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:43:01,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:43:01,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:43:01,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:43:01,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:43:01,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:43:01,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:43:01,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:43:01,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:43:01,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:43:01,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:43:01,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:43:01,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:43:01,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:43:01,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:43:01,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:43:01,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:43:01,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:43:01,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:43:01,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:43:01,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:43:01,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:43:01,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:43:01,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:43:01,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:43:01,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:43:01,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-11-25 18:43:01,884 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:43:01,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:43:01,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:43:01,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:43:01,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:43:01,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:43:01,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:43:01,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:43:01,889 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:43:01,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:43:01,890 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:43:01,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:43:01,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:43:01,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:43:01,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:43:01,892 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 18:43:01,892 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 18:43:01,892 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 18:43:01,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:43:01,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:43:01,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:43:01,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:43:01,893 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:43:01,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:43:01,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:43:01,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:43:01,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:43:01,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:43:01,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:43:01,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:43:01,895 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:43:01,895 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:43:01,895 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:43:01,896 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:43:01,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:43:01,896 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:43:01,896 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:43:01,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:43:01,897 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e65812efd79e833978ab1548160841e061a451f72b6ff490ed9b7c0a593a91c [2022-11-25 18:43:02,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:43:02,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:43:02,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:43:02,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:43:02,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:43:02,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread/twostage_3.i [2022-11-25 18:43:05,668 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:43:06,019 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:43:06,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/sv-benchmarks/c/pthread/twostage_3.i [2022-11-25 18:43:06,042 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data/b95d145cf/50ab79fdbef141eca8bdbee70d6cc1dd/FLAGb8b95b277 [2022-11-25 18:43:06,056 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/data/b95d145cf/50ab79fdbef141eca8bdbee70d6cc1dd [2022-11-25 18:43:06,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:43:06,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:43:06,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:43:06,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:43:06,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:43:06,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:06" (1/1) ... [2022-11-25 18:43:06,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f880340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:06, skipping insertion in model container [2022-11-25 18:43:06,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:06" (1/1) ... [2022-11-25 18:43:06,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:43:06,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:43:06,739 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,741 WARN L237 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_86bbc967-19fe-43e1-a3ab-643d86da9f26/sv-benchmarks/c/pthread/twostage_3.i[58991,59004] [2022-11-25 18:43:06,746 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,750 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,751 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,759 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,768 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,772 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,775 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,783 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:43:06,783 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,788 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:43:06,788 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:06,804 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 18:43:06,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:43:06,844 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,844 WARN L237 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_86bbc967-19fe-43e1-a3ab-643d86da9f26/sv-benchmarks/c/pthread/twostage_3.i[58991,59004] [2022-11-25 18:43:06,845 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,847 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,848 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,850 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,851 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,853 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,854 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,855 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:43:06,856 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,857 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:43:06,857 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:06,863 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:43:06,906 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,907 WARN L237 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_86bbc967-19fe-43e1-a3ab-643d86da9f26/sv-benchmarks/c/pthread/twostage_3.i[58991,59004] [2022-11-25 18:43:06,908 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,909 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,910 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,913 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,914 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,915 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,916 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,918 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:43:06,918 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,919 WARN L1576 CHandler]: Possible shadowing of function lock [2022-11-25 18:43:06,925 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:43:06,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:07,022 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:43:07,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07 WrapperNode [2022-11-25 18:43:07,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:43:07,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:43:07,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:43:07,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:43:07,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,100 INFO L138 Inliner]: procedures = 376, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 156 [2022-11-25 18:43:07,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:43:07,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:43:07,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:43:07,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:43:07,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:43:07,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:43:07,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:43:07,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:43:07,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (1/1) ... [2022-11-25 18:43:07,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:43:07,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:43:07,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:43:07,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:43:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 18:43:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2022-11-25 18:43:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2022-11-25 18:43:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2022-11-25 18:43:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2022-11-25 18:43:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:43:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:43:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 18:43:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:43:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 18:43:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:43:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:43:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:43:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:43:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:43:07,225 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:43:07,397 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:43:07,399 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:43:08,092 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:43:08,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:43:08,101 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 18:43:08,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:08 BoogieIcfgContainer [2022-11-25 18:43:08,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:43:08,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:43:08,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:43:08,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:43:08,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:43:06" (1/3) ... [2022-11-25 18:43:08,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1b88f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:43:08, skipping insertion in model container [2022-11-25 18:43:08,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:07" (2/3) ... [2022-11-25 18:43:08,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1b88f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:43:08, skipping insertion in model container [2022-11-25 18:43:08,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:08" (3/3) ... [2022-11-25 18:43:08,122 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2022-11-25 18:43:08,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:43:08,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-25 18:43:08,141 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:43:08,231 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-25 18:43:08,278 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:43:08,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:43:08,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:43:08,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:43:08,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:43:08,331 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:43:08,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:43:08,351 INFO L357 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56258830, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:43:08,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-25 18:43:08,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:43:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:43:08,553 INFO L85 PathProgramCache]: Analyzing trace with hash -409701891, now seen corresponding path program 1 times [2022-11-25 18:43:08,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:43:08,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961840810] [2022-11-25 18:43:08,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:43:08,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:43:08,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:43:08,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:43:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:43:08,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 18:43:08,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:43:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:43:08,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:43:08,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:43:08,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961840810] [2022-11-25 18:43:08,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961840810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:43:08,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:43:08,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:43:08,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144398847] [2022-11-25 18:43:08,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:43:08,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:43:08,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:43:08,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:43:08,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:43:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:43:08,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:43:08,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:43:08,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:43:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:43:08,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-25 18:43:09,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:09,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-25 18:43:09,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:43:09,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2100688538, now seen corresponding path program 1 times [2022-11-25 18:43:09,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:43:09,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063766524] [2022-11-25 18:43:09,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:43:09,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:09,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat [2022-11-25 18:43:09,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:43:09,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:43:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:43:09,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:43:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:43:09,811 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 18:43:09,811 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:43:09,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (26 of 27 remaining) [2022-11-25 18:43:09,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 27 remaining) [2022-11-25 18:43:09,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 27 remaining) [2022-11-25 18:43:09,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 27 remaining) [2022-11-25 18:43:09,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 27 remaining) [2022-11-25 18:43:09,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 27 remaining) [2022-11-25 18:43:09,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 27 remaining) [2022-11-25 18:43:09,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 27 remaining) [2022-11-25 18:43:09,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 27 remaining) [2022-11-25 18:43:09,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 27 remaining) [2022-11-25 18:43:09,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 27 remaining) [2022-11-25 18:43:09,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 27 remaining) [2022-11-25 18:43:09,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 27 remaining) [2022-11-25 18:43:09,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 27 remaining) [2022-11-25 18:43:09,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 27 remaining) [2022-11-25 18:43:09,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 27 remaining) [2022-11-25 18:43:09,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 27 remaining) [2022-11-25 18:43:09,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 27 remaining) [2022-11-25 18:43:09,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 27 remaining) [2022-11-25 18:43:09,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 27 remaining) [2022-11-25 18:43:09,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 27 remaining) [2022-11-25 18:43:09,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 27 remaining) [2022-11-25 18:43:09,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 27 remaining) [2022-11-25 18:43:09,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 27 remaining) [2022-11-25 18:43:09,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 27 remaining) [2022-11-25 18:43:09,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 27 remaining) [2022-11-25 18:43:09,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 27 remaining) [2022-11-25 18:43:09,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:43:10,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:43:10,066 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 18:43:10,072 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2022-11-25 18:43:10,077 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:43:10,077 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:43:10,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:43:10 BasicIcfg [2022-11-25 18:43:10,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:43:10,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:43:10,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:43:10,221 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:43:10,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:08" (3/4) ... [2022-11-25 18:43:10,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:43:10,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:43:10,251 INFO L158 Benchmark]: Toolchain (without parser) took 4190.84ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 44.9MB in the beginning and 73.2MB in the end (delta: -28.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,252 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:43:10,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.00ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 44.7MB in the beginning and 58.9MB in the end (delta: -14.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.64ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 55.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,255 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,257 INFO L158 Benchmark]: RCFGBuilder took 965.38ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 53.8MB in the end (delta: -284.2kB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,257 INFO L158 Benchmark]: TraceAbstraction took 2109.86ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 38.7MB in the end (delta: 14.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,258 INFO L158 Benchmark]: Witness Printer took 21.74ms. Allocated memory is still 100.7MB. Free memory was 38.5MB in the beginning and 73.2MB in the end (delta: -34.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-25 18:43:10,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 961.00ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 44.7MB in the beginning and 58.9MB in the end (delta: -14.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.64ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 55.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 965.38ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 53.8MB in the end (delta: -284.2kB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2109.86ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 38.7MB in the end (delta: 14.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 21.74ms. Allocated memory is still 100.7MB. Free memory was 38.5MB in the beginning and 73.2MB in the end (delta: -34.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 38, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 82, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 38, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 44, dependent conditional: 44, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 82, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 82, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 85, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 38, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 38, dependent conditional: 38, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 82, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 38, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 89, Number of trivial persistent sets: 89, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 44, dependent conditional: 44, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 82, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 82, Statistics for Abstraction: - UnprovableResult [Line: 1273]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1273. Possible FailurePath: [L1236] static int iTThreads = 2; VAL [iTThreads={13:0}] [L1237] static int iRThreads = 1; VAL [iRThreads={14:0}, iTThreads={13:0}] [L1238] static int data1Value = 0; VAL [data1Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1239] static int data2Value = 0; VAL [data1Value=0, data2Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1240] pthread_mutex_t *data1Lock; VAL [data1Lock={0:0}, data1Value=0, data2Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1241] pthread_mutex_t *data2Lock; VAL [data1Lock={0:0}, data1Value=0, data2Lock={0:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1274] int i,err; VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={0:0}, data1Value=0, data2Lock={0:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1275] COND TRUE argc != 1 VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={0:0}, data1Value=0, data2Lock={0:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1276] COND FALSE !(argc != 3) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={0:0}, data1Value=0, data2Lock={0:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}] [L1284] data1Lock = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t)) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={0:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, malloc(sizeof(pthread_mutex_t))={15:0}] [L1285] data2Lock = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t)) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, malloc(sizeof(pthread_mutex_t))={31:0}] [L1286] EXPR err = pthread_mutex_init(data1Lock, ((void *)0)) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}] [L1286] COND FALSE !(0 != (err = pthread_mutex_init(data1Lock, ((void *)0)))) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}] [L1290] EXPR err = pthread_mutex_init(data2Lock, ((void *)0)) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}] [L1290] COND FALSE !(0 != (err = pthread_mutex_init(data2Lock, ((void *)0)))) VAL [\old(argc)=3, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}] [L1294] EXPR \read(iTThreads) VAL [\old(argc)=3, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}] [L1294] pthread_t tPool[iTThreads]; VAL [\old(argc)=3, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}, tPool={47:0}] [L1295] EXPR \read(iRThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}, tPool={47:0}] [L1295] pthread_t rPool[iRThreads]; VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1296] i = 0 VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1296] EXPR \read(iTThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1296] COND FALSE !(i < iTThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1302] i = 0 VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1302] EXPR \read(iRThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1302] COND FALSE !(i < iRThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1308] i = 0 VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1308] EXPR \read(iTThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1308] COND FALSE !(i < iTThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1314] i = 0 VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1314] EXPR \read(iRThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1314] COND FALSE !(i < iRThreads) VAL [\old(argc)=3, \read(iRThreads)=0, \read(iRThreads)=0, \read(iTThreads)=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1320] return 0; VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \result=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}, tPool={47:0}] [L1320] return 0; VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \result=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={55:0}] [L1320] return 0; VAL [\old(argc)=3, \read(iRThreads)=0, \read(iTThreads)=0, \result=0, argc=3, argv={17:16}, argv={17:16}, data1Lock={15:0}, data1Value=0, data2Lock={31:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1297]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1303]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 245 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:43:10,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:43:10,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bbc967-19fe-43e1-a3ab-643d86da9f26/bin/ugemcutter-syNpU3ikLH/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: UNKNOWN: Overapproximated counterexample