./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- 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-8393723 [2022-11-18 20:45:34,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:45:34,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:45:34,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:45:34,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:45:34,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:45:34,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:45:34,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:45:34,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:45:34,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:45:34,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:45:34,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:45:34,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:45:34,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:45:34,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:45:34,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:45:34,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:45:34,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:45:34,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:45:34,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:45:34,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:45:34,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:45:34,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:45:34,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:45:34,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:45:34,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:45:34,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:45:34,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:45:34,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:45:34,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:45:34,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:45:34,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:45:34,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:45:34,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:45:34,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:45:34,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:45:34,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:45:34,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:45:34,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:45:34,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:45:34,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:45:34,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 20:45:34,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:45:34,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:45:34,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:45:34,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:45:34,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:45:34,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:45:34,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:45:34,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:45:34,515 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:45:34,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:45:34,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:45:34,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:45:34,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:45:34,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:45:34,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:45:34,517 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 20:45:34,518 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 20:45:34,518 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 20:45:34,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:45:34,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:45:34,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:45:34,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:45:34,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:45:34,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:45:34,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:45:34,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:45:34,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:45:34,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:45:34,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:45:34,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:45:34,522 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2022-11-18 20:45:34,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:45:34,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:45:34,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:45:34,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:45:34,873 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:45:34,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-18 20:45:34,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/b26d7f57a/07ccf24fd39049e29ad65434978d7410/FLAG82de9da2b [2022-11-18 20:45:35,706 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:45:35,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-18 20:45:35,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/b26d7f57a/07ccf24fd39049e29ad65434978d7410/FLAG82de9da2b [2022-11-18 20:45:35,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/b26d7f57a/07ccf24fd39049e29ad65434978d7410 [2022-11-18 20:45:35,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:45:35,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:45:35,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:45:35,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:45:35,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:45:35,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:35" (1/1) ... [2022-11-18 20:45:35,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37cb4fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:35, skipping insertion in model container [2022-11-18 20:45:35,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:35" (1/1) ... [2022-11-18 20:45:35,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:45:36,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:45:36,269 WARN L234 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-18 20:45:36,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:45:36,526 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:45:36,540 WARN L234 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-18 20:45:36,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:45:36,697 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:45:36,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36 WrapperNode [2022-11-18 20:45:36,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:45:36,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:45:36,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:45:36,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:45:36,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,803 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 225 [2022-11-18 20:45:36,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:45:36,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:45:36,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:45:36,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:45:36,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:45:36,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:45:36,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:45:36,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:45:36,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (1/1) ... [2022-11-18 20:45:36,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:45:36,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:36,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:36,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-18 20:45:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-18 20:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-18 20:45:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-18 20:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-18 20:45:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-18 20:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:45:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:45:36,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:45:37,161 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:45:37,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:45:38,031 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:45:39,146 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:45:39,147 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:45:39,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:39 BoogieIcfgContainer [2022-11-18 20:45:39,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:45:39,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:45:39,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:45:39,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:45:39,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:45:35" (1/3) ... [2022-11-18 20:45:39,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be4e9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:39, skipping insertion in model container [2022-11-18 20:45:39,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:36" (2/3) ... [2022-11-18 20:45:39,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be4e9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:39, skipping insertion in model container [2022-11-18 20:45:39,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:39" (3/3) ... [2022-11-18 20:45:39,160 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.oepc.i [2022-11-18 20:45:39,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:45:39,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-11-18 20:45:39,182 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:45:39,405 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:45:39,464 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 20:45:39,485 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 197 transitions, 409 flow [2022-11-18 20:45:39,487 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 197 transitions, 409 flow [2022-11-18 20:45:39,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 197 transitions, 409 flow [2022-11-18 20:45:39,588 INFO L130 PetriNetUnfolder]: 2/194 cut-off events. [2022-11-18 20:45:39,588 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:45:39,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 194 events. 2/194 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 354 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-11-18 20:45:39,599 INFO L119 LiptonReduction]: Number of co-enabled transitions 9288 [2022-11-18 20:46:22,408 INFO L134 LiptonReduction]: Checked pairs total: 43193 [2022-11-18 20:46:22,408 INFO L136 LiptonReduction]: Total number of compositions: 206 [2022-11-18 20:46:22,417 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 92 transitions, 199 flow [2022-11-18 20:46:26,183 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119756 states, 79416 states have (on average 5.672093784627783) internal successors, (450455), 119755 states have internal predecessors, (450455), 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) [2022-11-18 20:46:26,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:46:26,241 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=FINITE_AUTOMATA, 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;@564e9b46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:46:26,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-18 20:46:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 119756 states, 79416 states have (on average 5.672093784627783) internal successors, (450455), 119755 states have internal predecessors, (450455), 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) [2022-11-18 20:46:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-18 20:46:26,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:26,401 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-18 20:46:26,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:46:26,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:26,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1471, now seen corresponding path program 1 times [2022-11-18 20:46:26,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:26,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986238686] [2022-11-18 20:46:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:26,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:26,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:26,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986238686] [2022-11-18 20:46:26,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986238686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:26,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:26,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-18 20:46:26,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950164132] [2022-11-18 20:46:26,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:26,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:46:26,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:26,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:46:26,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:46:26,814 INFO L87 Difference]: Start difference. First operand has 119756 states, 79416 states have (on average 5.672093784627783) internal successors, (450455), 119755 states have internal predecessors, (450455), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-18 20:46:27,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:27,433 INFO L93 Difference]: Finished difference Result 12552 states and 44887 transitions. [2022-11-18 20:46:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:46:27,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-11-18 20:46:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:27,599 INFO L225 Difference]: With dead ends: 12552 [2022-11-18 20:46:27,600 INFO L226 Difference]: Without dead ends: 12552 [2022-11-18 20:46:27,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:46:27,604 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:27,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:46:27,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2022-11-18 20:46:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2022-11-18 20:46:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 10936 states have (on average 4.104517190929042) internal successors, (44887), 12551 states have internal predecessors, (44887), 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) [2022-11-18 20:46:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 44887 transitions. [2022-11-18 20:46:28,410 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 44887 transitions. Word has length 1 [2022-11-18 20:46:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:28,411 INFO L495 AbstractCegarLoop]: Abstraction has 12552 states and 44887 transitions. [2022-11-18 20:46:28,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-18 20:46:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 44887 transitions. [2022-11-18 20:46:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:46:28,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:28,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:46:28,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:46:28,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:46:28,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:28,421 INFO L85 PathProgramCache]: Analyzing trace with hash 45112778, now seen corresponding path program 1 times [2022-11-18 20:46:28,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:28,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342673090] [2022-11-18 20:46:28,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:28,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:28,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:28,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342673090] [2022-11-18 20:46:28,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342673090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:28,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:28,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:46:28,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038183256] [2022-11-18 20:46:28,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:28,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:46:28,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:28,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:46:28,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:28,792 INFO L87 Difference]: Start difference. First operand 12552 states and 44887 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:46:29,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:29,156 INFO L93 Difference]: Finished difference Result 6648 states and 23068 transitions. [2022-11-18 20:46:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:46:29,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-18 20:46:29,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:29,214 INFO L225 Difference]: With dead ends: 6648 [2022-11-18 20:46:29,215 INFO L226 Difference]: Without dead ends: 6648 [2022-11-18 20:46:29,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:29,224 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:29,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:46:29,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2022-11-18 20:46:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6648. [2022-11-18 20:46:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6648 states, 6115 states have (on average 3.772363041700736) internal successors, (23068), 6647 states have internal predecessors, (23068), 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) [2022-11-18 20:46:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6648 states to 6648 states and 23068 transitions. [2022-11-18 20:46:29,465 INFO L78 Accepts]: Start accepts. Automaton has 6648 states and 23068 transitions. Word has length 4 [2022-11-18 20:46:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:29,465 INFO L495 AbstractCegarLoop]: Abstraction has 6648 states and 23068 transitions. [2022-11-18 20:46:29,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:46:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 6648 states and 23068 transitions. [2022-11-18 20:46:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:46:29,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:29,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:46:29,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:46:29,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:46:29,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:29,467 INFO L85 PathProgramCache]: Analyzing trace with hash 45112779, now seen corresponding path program 1 times [2022-11-18 20:46:29,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:29,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718712129] [2022-11-18 20:46:29,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:29,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:29,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:29,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718712129] [2022-11-18 20:46:29,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718712129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:29,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:29,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:46:29,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411082074] [2022-11-18 20:46:29,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:29,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:46:29,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:29,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:46:29,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:29,797 INFO L87 Difference]: Start difference. First operand 6648 states and 23068 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:46:29,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:29,933 INFO L93 Difference]: Finished difference Result 2510 states and 8321 transitions. [2022-11-18 20:46:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:46:29,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-18 20:46:29,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:29,947 INFO L225 Difference]: With dead ends: 2510 [2022-11-18 20:46:29,947 INFO L226 Difference]: Without dead ends: 2510 [2022-11-18 20:46:29,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:29,949 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:29,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:46:29,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-18 20:46:30,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-18 20:46:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2422 states have (on average 3.4355904211395543) internal successors, (8321), 2509 states have internal predecessors, (8321), 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) [2022-11-18 20:46:30,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 8321 transitions. [2022-11-18 20:46:30,027 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 8321 transitions. Word has length 4 [2022-11-18 20:46:30,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:30,028 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 8321 transitions. [2022-11-18 20:46:30,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:46:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 8321 transitions. [2022-11-18 20:46:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:46:30,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:30,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:46:30,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:46:30,030 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:46:30,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:30,030 INFO L85 PathProgramCache]: Analyzing trace with hash 404990774, now seen corresponding path program 1 times [2022-11-18 20:46:30,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:30,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52899253] [2022-11-18 20:46:30,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:30,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:30,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52899253] [2022-11-18 20:46:30,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52899253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:30,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:30,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:46:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785353458] [2022-11-18 20:46:30,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:30,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:46:30,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:30,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:46:30,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:30,225 INFO L87 Difference]: Start difference. First operand 2510 states and 8321 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:46:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:30,407 INFO L93 Difference]: Finished difference Result 2198 states and 7243 transitions. [2022-11-18 20:46:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:46:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-11-18 20:46:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:30,419 INFO L225 Difference]: With dead ends: 2198 [2022-11-18 20:46:30,419 INFO L226 Difference]: Without dead ends: 2198 [2022-11-18 20:46:30,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:30,421 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:30,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:46:30,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2022-11-18 20:46:30,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2022-11-18 20:46:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 2129 states have (on average 3.4020666979802723) internal successors, (7243), 2197 states have internal predecessors, (7243), 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) [2022-11-18 20:46:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 7243 transitions. [2022-11-18 20:46:30,541 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 7243 transitions. Word has length 6 [2022-11-18 20:46:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:30,541 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 7243 transitions. [2022-11-18 20:46:30,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:46:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 7243 transitions. [2022-11-18 20:46:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 20:46:30,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:30,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:46:30,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:46:30,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:46:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:30,544 INFO L85 PathProgramCache]: Analyzing trace with hash -330186669, now seen corresponding path program 1 times [2022-11-18 20:46:30,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:30,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616765299] [2022-11-18 20:46:30,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:30,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:46:30,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:46:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:46:30,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:46:30,650 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:46:30,651 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (104 of 105 remaining) [2022-11-18 20:46:30,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 105 remaining) [2022-11-18 20:46:30,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 105 remaining) [2022-11-18 20:46:30,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 105 remaining) [2022-11-18 20:46:30,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 105 remaining) [2022-11-18 20:46:30,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 105 remaining) [2022-11-18 20:46:30,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 105 remaining) [2022-11-18 20:46:30,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 105 remaining) [2022-11-18 20:46:30,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 105 remaining) [2022-11-18 20:46:30,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 105 remaining) [2022-11-18 20:46:30,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 105 remaining) [2022-11-18 20:46:30,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 105 remaining) [2022-11-18 20:46:30,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 105 remaining) [2022-11-18 20:46:30,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (91 of 105 remaining) [2022-11-18 20:46:30,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (90 of 105 remaining) [2022-11-18 20:46:30,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 105 remaining) [2022-11-18 20:46:30,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 105 remaining) [2022-11-18 20:46:30,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 105 remaining) [2022-11-18 20:46:30,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 105 remaining) [2022-11-18 20:46:30,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 105 remaining) [2022-11-18 20:46:30,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 105 remaining) [2022-11-18 20:46:30,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 105 remaining) [2022-11-18 20:46:30,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 105 remaining) [2022-11-18 20:46:30,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 105 remaining) [2022-11-18 20:46:30,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 105 remaining) [2022-11-18 20:46:30,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 105 remaining) [2022-11-18 20:46:30,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 105 remaining) [2022-11-18 20:46:30,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 105 remaining) [2022-11-18 20:46:30,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 105 remaining) [2022-11-18 20:46:30,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 105 remaining) [2022-11-18 20:46:30,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 105 remaining) [2022-11-18 20:46:30,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 105 remaining) [2022-11-18 20:46:30,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 105 remaining) [2022-11-18 20:46:30,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 105 remaining) [2022-11-18 20:46:30,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 105 remaining) [2022-11-18 20:46:30,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 105 remaining) [2022-11-18 20:46:30,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 105 remaining) [2022-11-18 20:46:30,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 105 remaining) [2022-11-18 20:46:30,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 105 remaining) [2022-11-18 20:46:30,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 105 remaining) [2022-11-18 20:46:30,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 105 remaining) [2022-11-18 20:46:30,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 105 remaining) [2022-11-18 20:46:30,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 105 remaining) [2022-11-18 20:46:30,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 105 remaining) [2022-11-18 20:46:30,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 105 remaining) [2022-11-18 20:46:30,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 105 remaining) [2022-11-18 20:46:30,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 105 remaining) [2022-11-18 20:46:30,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 105 remaining) [2022-11-18 20:46:30,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 105 remaining) [2022-11-18 20:46:30,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 105 remaining) [2022-11-18 20:46:30,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 105 remaining) [2022-11-18 20:46:30,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 105 remaining) [2022-11-18 20:46:30,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 105 remaining) [2022-11-18 20:46:30,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 105 remaining) [2022-11-18 20:46:30,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 105 remaining) [2022-11-18 20:46:30,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 105 remaining) [2022-11-18 20:46:30,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 105 remaining) [2022-11-18 20:46:30,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 105 remaining) [2022-11-18 20:46:30,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 105 remaining) [2022-11-18 20:46:30,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 105 remaining) [2022-11-18 20:46:30,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 105 remaining) [2022-11-18 20:46:30,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 105 remaining) [2022-11-18 20:46:30,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 105 remaining) [2022-11-18 20:46:30,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (41 of 105 remaining) [2022-11-18 20:46:30,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK (40 of 105 remaining) [2022-11-18 20:46:30,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 105 remaining) [2022-11-18 20:46:30,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 105 remaining) [2022-11-18 20:46:30,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 105 remaining) [2022-11-18 20:46:30,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 105 remaining) [2022-11-18 20:46:30,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 105 remaining) [2022-11-18 20:46:30,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 105 remaining) [2022-11-18 20:46:30,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 105 remaining) [2022-11-18 20:46:30,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 105 remaining) [2022-11-18 20:46:30,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 105 remaining) [2022-11-18 20:46:30,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 105 remaining) [2022-11-18 20:46:30,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 105 remaining) [2022-11-18 20:46:30,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 105 remaining) [2022-11-18 20:46:30,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 105 remaining) [2022-11-18 20:46:30,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 105 remaining) [2022-11-18 20:46:30,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 105 remaining) [2022-11-18 20:46:30,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 105 remaining) [2022-11-18 20:46:30,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 105 remaining) [2022-11-18 20:46:30,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 105 remaining) [2022-11-18 20:46:30,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 105 remaining) [2022-11-18 20:46:30,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 105 remaining) [2022-11-18 20:46:30,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 105 remaining) [2022-11-18 20:46:30,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 105 remaining) [2022-11-18 20:46:30,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 105 remaining) [2022-11-18 20:46:30,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 105 remaining) [2022-11-18 20:46:30,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 105 remaining) [2022-11-18 20:46:30,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 105 remaining) [2022-11-18 20:46:30,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 105 remaining) [2022-11-18 20:46:30,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 105 remaining) [2022-11-18 20:46:30,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 105 remaining) [2022-11-18 20:46:30,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 105 remaining) [2022-11-18 20:46:30,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 105 remaining) [2022-11-18 20:46:30,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 105 remaining) [2022-11-18 20:46:30,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 105 remaining) [2022-11-18 20:46:30,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 105 remaining) [2022-11-18 20:46:30,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 105 remaining) [2022-11-18 20:46:30,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 105 remaining) [2022-11-18 20:46:30,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 105 remaining) [2022-11-18 20:46:30,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 105 remaining) [2022-11-18 20:46:30,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 105 remaining) [2022-11-18 20:46:30,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 105 remaining) [2022-11-18 20:46:30,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:46:30,683 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 20:46:30,690 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:46:30,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:46:30,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:46:30 BasicIcfg [2022-11-18 20:46:30,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:46:30,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:46:30,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:46:30,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:46:30,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:39" (3/4) ... [2022-11-18 20:46:30,746 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:46:30,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:46:30,747 INFO L158 Benchmark]: Toolchain (without parser) took 54782.36ms. Allocated memory was 125.8MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 88.6MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 476.1MB. Max. memory is 16.1GB. [2022-11-18 20:46:30,747 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 125.8MB. Free memory was 99.9MB in the beginning and 99.8MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:46:30,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.87ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 83.3MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:46:30,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.81ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 80.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:46:30,748 INFO L158 Benchmark]: Boogie Preprocessor took 77.99ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 77.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:46:30,748 INFO L158 Benchmark]: RCFGBuilder took 2264.87ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 77.7MB in the beginning and 120.8MB in the end (delta: -43.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2022-11-18 20:46:30,749 INFO L158 Benchmark]: TraceAbstraction took 51589.10ms. Allocated memory was 167.8MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 119.7MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 464.4MB. Max. memory is 16.1GB. [2022-11-18 20:46:30,749 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 2.8GB. Free memory is still 2.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:46:30,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 125.8MB. Free memory was 99.9MB in the beginning and 99.8MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.87ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 83.3MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.81ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 80.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.99ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 77.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2264.87ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 77.7MB in the beginning and 120.8MB in the end (delta: -43.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * TraceAbstraction took 51589.10ms. Allocated memory was 167.8MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 119.7MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 464.4MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 2.8GB. Free memory is still 2.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.9s, 205 PlacesBefore, 102 PlacesAfterwards, 197 TransitionsBefore, 92 TransitionsAfterwards, 9288 CoEnabledTransitionPairs, 7 FixpointIterations, 72 TrivialSequentialCompositions, 129 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 206 TotalNumberOfCompositions, 43193 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17132, independent: 16547, independent conditional: 0, independent unconditional: 16547, dependent: 440, dependent conditional: 0, dependent unconditional: 440, unknown: 145, unknown conditional: 0, unknown unconditional: 145] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6322, independent: 6206, independent conditional: 0, independent unconditional: 6206, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6322, independent: 4763, independent conditional: 0, independent unconditional: 4763, dependent: 1559, dependent conditional: 0, dependent unconditional: 1559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1559, independent: 1443, independent conditional: 0, independent unconditional: 1443, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8771, independent: 7469, independent conditional: 0, independent unconditional: 7469, dependent: 894, dependent conditional: 0, dependent unconditional: 894, unknown: 407, unknown conditional: 0, unknown unconditional: 407] ], Cache Queries: [ total: 17132, independent: 10341, independent conditional: 0, independent unconditional: 10341, dependent: 346, dependent conditional: 0, dependent unconditional: 346, unknown: 6445, unknown conditional: 0, unknown unconditional: 6445] , Statistics on independence cache: Total cache size (in pairs): 925, Positive cache size: 884, Positive conditional cache size: 0, Positive unconditional cache size: 884, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 12, Unknown conditional cache size: 0, Unknown unconditional cache size: 12 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L735] 0 _Bool x$flush_delayed; [L746] 0 int *x$read_delayed_var; [L753] 0 _Bool weak$$choice0; [L754] 0 _Bool weak$$choice1; [L755] 0 _Bool weak$$choice2; [L736] 0 int x$mem_tmp; [L712] 0 int __unbuffered_p0_EAX = 0; [L740] 0 _Bool x$r_buff0_thd3; [L738] 0 _Bool x$r_buff0_thd1; [L739] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L737] 0 _Bool x$r_buff0_thd0; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L714] 0 int __unbuffered_p2_EAX = 0; [L745] 0 _Bool x$read_delayed; [L710] 0 int __unbuffered_cnt = 0; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L732] 0 _Bool main$tmp_guard1; [L750] 0 _Bool x$w_buff1_used; [L731] 0 _Bool main$tmp_guard0; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L748] 0 _Bool x$w_buff0_used; [L747] 0 int x$w_buff0; [L749] 0 int x$w_buff1; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L734] 0 int x = 0; [L742] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L741] 0 _Bool x$r_buff1_thd0; [L752] 0 int y = 0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L744] 0 _Bool x$r_buff1_thd3; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L743] 0 _Bool x$r_buff1_thd2; [L871] 0 pthread_t t2121; [L872] FCALL, FORK 0 pthread_create(&t2121, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2121, ((void *)0), P0, ((void *)0))=-1, t2121={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L873] 0 pthread_t t2122; [L874] FCALL, FORK 0 pthread_create(&t2122, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2122, ((void *)0), P1, ((void *)0))=0, t2121={6:0}, t2122={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L789] 2 x$w_buff1 = x$w_buff0 [L790] 2 x$w_buff0 = 1 [L791] 2 x$w_buff1_used = x$w_buff0_used [L792] 2 x$w_buff0_used = (_Bool)1 [L793] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L793] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L794] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L795] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L796] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L797] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L798] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L801] 2 x$w_buff1 = x$w_buff0 [L802] 2 x$w_buff0 = 2 [L803] 2 x$w_buff1_used = x$w_buff0_used [L804] 2 x$w_buff0_used = (_Bool)1 [L805] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=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: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed 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: -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: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 874]: 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: 872]: 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: 876]: 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 with 1 thread instances CFG has 7 procedures, 260 locations, 105 error locations. Started 1 CEGAR loops. OverallTime: 51.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 46.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 8 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119756occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-11-18 20:46:30,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- 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-8393723 [2022-11-18 20:46:33,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:46:33,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:46:33,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:46:33,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:46:33,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:46:33,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:46:33,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:46:33,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:46:33,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:46:33,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:46:33,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:46:33,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:46:33,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:46:33,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:46:33,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:46:33,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:46:33,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:46:33,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:46:33,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:46:33,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:46:33,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:46:33,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:46:33,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:46:33,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:46:33,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:46:33,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:46:33,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:46:33,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:46:33,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:46:33,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:46:33,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:46:33,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:46:33,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:46:33,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:46:33,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:46:33,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:46:33,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:46:33,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:46:33,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:46:33,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:46:33,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 20:46:33,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:46:33,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:46:33,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:46:33,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:46:33,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:46:33,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:46:33,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:46:33,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:46:33,393 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:46:33,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:46:33,394 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:46:33,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:46:33,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:46:33,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:46:33,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:46:33,396 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 20:46:33,396 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 20:46:33,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 20:46:33,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:46:33,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:46:33,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:46:33,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:46:33,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:46:33,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:46:33,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:46:33,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:46:33,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:46:33,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:46:33,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:46:33,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:46:33,399 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:46:33,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:46:33,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:46:33,400 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro 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 -> Automizer 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 -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2022-11-18 20:46:33,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:46:33,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:46:33,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:46:33,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:46:33,870 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:46:33,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-18 20:46:33,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/d15d77ba1/8524eca53f74462ba63047927436927b/FLAG18adcd93d [2022-11-18 20:46:34,572 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:46:34,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2022-11-18 20:46:34,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/d15d77ba1/8524eca53f74462ba63047927436927b/FLAG18adcd93d [2022-11-18 20:46:34,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/data/d15d77ba1/8524eca53f74462ba63047927436927b [2022-11-18 20:46:34,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:46:34,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:46:34,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:46:34,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:46:34,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:46:34,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:46:34" (1/1) ... [2022-11-18 20:46:34,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f61bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:34, skipping insertion in model container [2022-11-18 20:46:34,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:46:34" (1/1) ... [2022-11-18 20:46:34,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:46:34,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:46:35,190 WARN L234 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-18 20:46:35,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:46:35,524 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:46:35,537 WARN L234 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_aea7fa4a-d3a1-459d-b967-a883546e4cd4/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2022-11-18 20:46:35,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:46:35,631 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:46:35,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35 WrapperNode [2022-11-18 20:46:35,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:46:35,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:46:35,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:46:35,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:46:35,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,691 INFO L138 Inliner]: procedures = 180, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 226 [2022-11-18 20:46:35,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:46:35,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:46:35,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:46:35,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:46:35,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:46:35,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:46:35,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:46:35,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:46:35,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (1/1) ... [2022-11-18 20:46:35,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:46:35,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:46:35,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:46:35,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:46:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:46:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:46:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:46:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:46:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:46:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:46:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:46:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 20:46:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-18 20:46:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-18 20:46:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-18 20:46:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-18 20:46:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-18 20:46:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-18 20:46:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:46:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:46:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:46:35,905 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:46:36,126 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:46:36,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:46:37,130 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:46:38,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:46:38,307 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:46:38,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:38 BoogieIcfgContainer [2022-11-18 20:46:38,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:46:38,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:46:38,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:46:38,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:46:38,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:46:34" (1/3) ... [2022-11-18 20:46:38,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797ab710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:46:38, skipping insertion in model container [2022-11-18 20:46:38,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:35" (2/3) ... [2022-11-18 20:46:38,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797ab710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:46:38, skipping insertion in model container [2022-11-18 20:46:38,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:38" (3/3) ... [2022-11-18 20:46:38,319 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.oepc.i [2022-11-18 20:46:38,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:46:38,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-11-18 20:46:38,339 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:46:38,618 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:46:38,651 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 20:46:38,665 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 198 transitions, 411 flow [2022-11-18 20:46:38,668 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 198 transitions, 411 flow [2022-11-18 20:46:38,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 198 transitions, 411 flow [2022-11-18 20:46:38,773 INFO L130 PetriNetUnfolder]: 2/195 cut-off events. [2022-11-18 20:46:38,773 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:46:38,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 195 events. 2/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 360 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-11-18 20:46:38,785 INFO L119 LiptonReduction]: Number of co-enabled transitions 9288 [2022-11-18 20:47:01,325 WARN L233 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 199 DAG size of output: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:47:09,409 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 227 DAG size of output: 225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:47:15,285 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 225 DAG size of output: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:48:04,375 INFO L134 LiptonReduction]: Checked pairs total: 46418 [2022-11-18 20:48:04,375 INFO L136 LiptonReduction]: Total number of compositions: 194 [2022-11-18 20:48:04,383 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 93 transitions, 201 flow [2022-11-18 20:48:08,362 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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) [2022-11-18 20:48:08,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:48:08,464 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=FINITE_AUTOMATA, 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;@238a4cc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:48:08,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-18 20:48:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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) [2022-11-18 20:48:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-18 20:48:08,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:08,614 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-18 20:48:08,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:48:08,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1461, now seen corresponding path program 1 times [2022-11-18 20:48:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:48:08,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528798569] [2022-11-18 20:48:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:08,636 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 [2022-11-18 20:48:08,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:48:08,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:48:08,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 (2)] Waiting until timeout for monitored process [2022-11-18 20:48:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:09,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:48:09,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:09,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:48:09,235 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:48:09,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528798569] [2022-11-18 20:48:09,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528798569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:09,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:09,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-18 20:48:09,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989335526] [2022-11-18 20:48:09,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:09,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:48:09,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:48:09,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:48:09,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:48:09,465 INFO L87 Difference]: Start difference. First operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-18 20:48:10,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:10,274 INFO L93 Difference]: Finished difference Result 12552 states and 44887 transitions. [2022-11-18 20:48:10,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:48:10,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2022-11-18 20:48:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:10,442 INFO L225 Difference]: With dead ends: 12552 [2022-11-18 20:48:10,443 INFO L226 Difference]: Without dead ends: 12552 [2022-11-18 20:48:10,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:48:10,450 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:10,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:48:10,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2022-11-18 20:48:11,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2022-11-18 20:48:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 10936 states have (on average 4.104517190929042) internal successors, (44887), 12551 states have internal predecessors, (44887), 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) [2022-11-18 20:48:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 44887 transitions. [2022-11-18 20:48:11,361 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 44887 transitions. Word has length 1 [2022-11-18 20:48:11,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:11,362 INFO L495 AbstractCegarLoop]: Abstraction has 12552 states and 44887 transitions. [2022-11-18 20:48:11,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-18 20:48:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 44887 transitions. [2022-11-18 20:48:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:48:11,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:11,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:48:11,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:11,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:11,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:48:11,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:11,584 INFO L85 PathProgramCache]: Analyzing trace with hash 44782940, now seen corresponding path program 1 times [2022-11-18 20:48:11,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:48:11,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372967947] [2022-11-18 20:48:11,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:11,585 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 [2022-11-18 20:48:11,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:48:11,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:48:11,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:12,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:48:12,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:12,386 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 20:48:12,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 20:48:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:12,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:48:12,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:48:12,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372967947] [2022-11-18 20:48:12,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372967947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:12,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:12,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:48:12,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48016026] [2022-11-18 20:48:12,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:12,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:48:12,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:12,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:12,446 INFO L87 Difference]: Start difference. First operand 12552 states and 44887 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:48:12,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:12,917 INFO L93 Difference]: Finished difference Result 6648 states and 23068 transitions. [2022-11-18 20:48:12,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-18 20:48:12,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:12,973 INFO L225 Difference]: With dead ends: 6648 [2022-11-18 20:48:12,974 INFO L226 Difference]: Without dead ends: 6648 [2022-11-18 20:48:12,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:12,979 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:12,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:48:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2022-11-18 20:48:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6648. [2022-11-18 20:48:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6648 states, 6115 states have (on average 3.772363041700736) internal successors, (23068), 6647 states have internal predecessors, (23068), 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) [2022-11-18 20:48:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6648 states to 6648 states and 23068 transitions. [2022-11-18 20:48:13,355 INFO L78 Accepts]: Start accepts. Automaton has 6648 states and 23068 transitions. Word has length 4 [2022-11-18 20:48:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:13,356 INFO L495 AbstractCegarLoop]: Abstraction has 6648 states and 23068 transitions. [2022-11-18 20:48:13,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:48:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 6648 states and 23068 transitions. [2022-11-18 20:48:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:48:13,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:13,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:48:13,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:13,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:13,571 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:48:13,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash 44782941, now seen corresponding path program 1 times [2022-11-18 20:48:13,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:48:13,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866556798] [2022-11-18 20:48:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:13,574 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 [2022-11-18 20:48:13,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:48:13,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:48:13,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:14,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:48:14,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:48:14,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 20:48:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:14,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:48:14,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:48:14,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866556798] [2022-11-18 20:48:14,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866556798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:14,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:14,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:48:14,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853435962] [2022-11-18 20:48:14,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:14,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:14,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:48:14,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:14,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:14,350 INFO L87 Difference]: Start difference. First operand 6648 states and 23068 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:48:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:14,588 INFO L93 Difference]: Finished difference Result 2510 states and 8321 transitions. [2022-11-18 20:48:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:14,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-11-18 20:48:14,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:14,605 INFO L225 Difference]: With dead ends: 2510 [2022-11-18 20:48:14,606 INFO L226 Difference]: Without dead ends: 2510 [2022-11-18 20:48:14,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:14,607 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:14,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:48:14,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-18 20:48:14,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-18 20:48:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2422 states have (on average 3.4355904211395543) internal successors, (8321), 2509 states have internal predecessors, (8321), 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) [2022-11-18 20:48:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 8321 transitions. [2022-11-18 20:48:14,717 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 8321 transitions. Word has length 4 [2022-11-18 20:48:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:14,718 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 8321 transitions. [2022-11-18 20:48:14,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:48:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 8321 transitions. [2022-11-18 20:48:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 20:48:14,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:14,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:48:14,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:14,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:14,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:48:14,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:14,934 INFO L85 PathProgramCache]: Analyzing trace with hash 88316344, now seen corresponding path program 1 times [2022-11-18 20:48:14,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:48:14,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643581570] [2022-11-18 20:48:14,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:14,935 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 [2022-11-18 20:48:14,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:48:14,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:48:14,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 (5)] Waiting until timeout for monitored process [2022-11-18 20:48:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:15,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:48:15,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:15,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:48:15,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:48:15,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643581570] [2022-11-18 20:48:15,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643581570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:15,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:15,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:48:15,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716085336] [2022-11-18 20:48:15,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:15,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:15,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:48:15,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:15,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:15,570 INFO L87 Difference]: Start difference. First operand 2510 states and 8321 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:48:15,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:15,924 INFO L93 Difference]: Finished difference Result 2198 states and 7243 transitions. [2022-11-18 20:48:15,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:15,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-11-18 20:48:15,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:15,939 INFO L225 Difference]: With dead ends: 2198 [2022-11-18 20:48:15,940 INFO L226 Difference]: Without dead ends: 2198 [2022-11-18 20:48:15,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:15,947 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:15,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:48:15,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2022-11-18 20:48:16,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2022-11-18 20:48:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 2129 states have (on average 3.4020666979802723) internal successors, (7243), 2197 states have internal predecessors, (7243), 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) [2022-11-18 20:48:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 7243 transitions. [2022-11-18 20:48:16,046 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 7243 transitions. Word has length 6 [2022-11-18 20:48:16,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:16,046 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 7243 transitions. [2022-11-18 20:48:16,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-18 20:48:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 7243 transitions. [2022-11-18 20:48:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 20:48:16,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:16,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:16,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:16,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:16,261 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-11-18 20:48:16,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:16,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1557159405, now seen corresponding path program 1 times [2022-11-18 20:48:16,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:48:16,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234698036] [2022-11-18 20:48:16,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:16,263 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 [2022-11-18 20:48:16,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:48:16,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:48:16,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 (6)] Waiting until timeout for monitored process [2022-11-18 20:48:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:16,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:16,913 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 20:48:16,913 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:48:16,914 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (104 of 105 remaining) [2022-11-18 20:48:16,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 105 remaining) [2022-11-18 20:48:16,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 105 remaining) [2022-11-18 20:48:16,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 105 remaining) [2022-11-18 20:48:16,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 105 remaining) [2022-11-18 20:48:16,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 105 remaining) [2022-11-18 20:48:16,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 105 remaining) [2022-11-18 20:48:16,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 105 remaining) [2022-11-18 20:48:16,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 105 remaining) [2022-11-18 20:48:16,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 105 remaining) [2022-11-18 20:48:16,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 105 remaining) [2022-11-18 20:48:16,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 105 remaining) [2022-11-18 20:48:16,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 105 remaining) [2022-11-18 20:48:16,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (91 of 105 remaining) [2022-11-18 20:48:16,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (90 of 105 remaining) [2022-11-18 20:48:16,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 105 remaining) [2022-11-18 20:48:16,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 105 remaining) [2022-11-18 20:48:16,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 105 remaining) [2022-11-18 20:48:16,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 105 remaining) [2022-11-18 20:48:16,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 105 remaining) [2022-11-18 20:48:16,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 105 remaining) [2022-11-18 20:48:16,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 105 remaining) [2022-11-18 20:48:16,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 105 remaining) [2022-11-18 20:48:16,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 105 remaining) [2022-11-18 20:48:16,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 105 remaining) [2022-11-18 20:48:16,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 105 remaining) [2022-11-18 20:48:16,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 105 remaining) [2022-11-18 20:48:16,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 105 remaining) [2022-11-18 20:48:16,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 105 remaining) [2022-11-18 20:48:16,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 105 remaining) [2022-11-18 20:48:16,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 105 remaining) [2022-11-18 20:48:16,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 105 remaining) [2022-11-18 20:48:16,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 105 remaining) [2022-11-18 20:48:16,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 105 remaining) [2022-11-18 20:48:16,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 105 remaining) [2022-11-18 20:48:16,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 105 remaining) [2022-11-18 20:48:16,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 105 remaining) [2022-11-18 20:48:16,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 105 remaining) [2022-11-18 20:48:16,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 105 remaining) [2022-11-18 20:48:16,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 105 remaining) [2022-11-18 20:48:16,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 105 remaining) [2022-11-18 20:48:16,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 105 remaining) [2022-11-18 20:48:16,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 105 remaining) [2022-11-18 20:48:16,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 105 remaining) [2022-11-18 20:48:16,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 105 remaining) [2022-11-18 20:48:16,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 105 remaining) [2022-11-18 20:48:16,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 105 remaining) [2022-11-18 20:48:16,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 105 remaining) [2022-11-18 20:48:16,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 105 remaining) [2022-11-18 20:48:16,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 105 remaining) [2022-11-18 20:48:16,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 105 remaining) [2022-11-18 20:48:16,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 105 remaining) [2022-11-18 20:48:16,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 105 remaining) [2022-11-18 20:48:16,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 105 remaining) [2022-11-18 20:48:16,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 105 remaining) [2022-11-18 20:48:16,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 105 remaining) [2022-11-18 20:48:16,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 105 remaining) [2022-11-18 20:48:16,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 105 remaining) [2022-11-18 20:48:16,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 105 remaining) [2022-11-18 20:48:16,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 105 remaining) [2022-11-18 20:48:16,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 105 remaining) [2022-11-18 20:48:16,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 105 remaining) [2022-11-18 20:48:16,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 105 remaining) [2022-11-18 20:48:16,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (41 of 105 remaining) [2022-11-18 20:48:16,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK (40 of 105 remaining) [2022-11-18 20:48:16,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 105 remaining) [2022-11-18 20:48:16,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 105 remaining) [2022-11-18 20:48:16,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 105 remaining) [2022-11-18 20:48:16,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 105 remaining) [2022-11-18 20:48:16,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 105 remaining) [2022-11-18 20:48:16,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 105 remaining) [2022-11-18 20:48:16,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 105 remaining) [2022-11-18 20:48:16,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 105 remaining) [2022-11-18 20:48:16,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 105 remaining) [2022-11-18 20:48:16,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 105 remaining) [2022-11-18 20:48:16,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 105 remaining) [2022-11-18 20:48:16,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 105 remaining) [2022-11-18 20:48:16,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 105 remaining) [2022-11-18 20:48:16,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 105 remaining) [2022-11-18 20:48:16,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 105 remaining) [2022-11-18 20:48:16,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 105 remaining) [2022-11-18 20:48:16,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 105 remaining) [2022-11-18 20:48:16,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 105 remaining) [2022-11-18 20:48:16,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 105 remaining) [2022-11-18 20:48:16,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 105 remaining) [2022-11-18 20:48:16,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 105 remaining) [2022-11-18 20:48:16,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 105 remaining) [2022-11-18 20:48:16,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 105 remaining) [2022-11-18 20:48:16,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 105 remaining) [2022-11-18 20:48:16,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 105 remaining) [2022-11-18 20:48:16,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 105 remaining) [2022-11-18 20:48:16,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 105 remaining) [2022-11-18 20:48:16,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 105 remaining) [2022-11-18 20:48:16,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 105 remaining) [2022-11-18 20:48:16,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 105 remaining) [2022-11-18 20:48:16,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 105 remaining) [2022-11-18 20:48:16,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 105 remaining) [2022-11-18 20:48:16,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 105 remaining) [2022-11-18 20:48:16,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 105 remaining) [2022-11-18 20:48:16,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 105 remaining) [2022-11-18 20:48:16,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 105 remaining) [2022-11-18 20:48:16,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 105 remaining) [2022-11-18 20:48:16,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 105 remaining) [2022-11-18 20:48:16,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 105 remaining) [2022-11-18 20:48:16,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 105 remaining) [2022-11-18 20:48:16,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:17,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:48:17,157 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 20:48:17,163 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:48:17,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:48:17,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:48:17 BasicIcfg [2022-11-18 20:48:17,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:48:17,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:17,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:17,252 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:17,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:38" (3/4) ... [2022-11-18 20:48:17,255 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:48:17,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:17,256 INFO L158 Benchmark]: Toolchain (without parser) took 102424.84ms. Allocated memory was 65.0MB in the beginning and 5.6GB in the end (delta: 5.6GB). Free memory was 42.9MB in the beginning and 4.9GB in the end (delta: -4.9GB). Peak memory consumption was 656.0MB. Max. memory is 16.1GB. [2022-11-18 20:48:17,256 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:17,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.18ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 32.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:48:17,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.08ms. Allocated memory is still 65.0MB. Free memory was 32.0MB in the beginning and 29.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:17,257 INFO L158 Benchmark]: Boogie Preprocessor took 70.88ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 63.6MB in the end (delta: -34.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-18 20:48:17,258 INFO L158 Benchmark]: RCFGBuilder took 2545.34ms. Allocated memory was 81.8MB in the beginning and 136.3MB in the end (delta: 54.5MB). Free memory was 63.6MB in the beginning and 85.6MB in the end (delta: -22.0MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-18 20:48:17,258 INFO L158 Benchmark]: TraceAbstraction took 98937.75ms. Allocated memory was 136.3MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 84.5MB in the beginning and 4.9GB in the end (delta: -4.9GB). Peak memory consumption was 626.3MB. Max. memory is 16.1GB. [2022-11-18 20:48:17,258 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 5.6GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:17,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.18ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 32.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.08ms. Allocated memory is still 65.0MB. Free memory was 32.0MB in the beginning and 29.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.88ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 63.6MB in the end (delta: -34.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2545.34ms. Allocated memory was 81.8MB in the beginning and 136.3MB in the end (delta: 54.5MB). Free memory was 63.6MB in the beginning and 85.6MB in the end (delta: -22.0MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * TraceAbstraction took 98937.75ms. Allocated memory was 136.3MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 84.5MB in the beginning and 4.9GB in the end (delta: -4.9GB). Peak memory consumption was 626.3MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 5.6GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.7s, 206 PlacesBefore, 102 PlacesAfterwards, 198 TransitionsBefore, 93 TransitionsAfterwards, 9288 CoEnabledTransitionPairs, 8 FixpointIterations, 69 TrivialSequentialCompositions, 119 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 194 TotalNumberOfCompositions, 46418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20611, independent: 19970, independent conditional: 0, independent unconditional: 19970, dependent: 571, dependent conditional: 0, dependent unconditional: 571, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6700, independent: 6585, independent conditional: 0, independent unconditional: 6585, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6700, independent: 5039, independent conditional: 0, independent unconditional: 5039, dependent: 1661, dependent conditional: 0, dependent unconditional: 1661, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1661, independent: 1546, independent conditional: 0, independent unconditional: 1546, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10744, independent: 8714, independent conditional: 0, independent unconditional: 8714, dependent: 1572, dependent conditional: 0, dependent unconditional: 1572, unknown: 458, unknown conditional: 0, unknown unconditional: 458] ], Cache Queries: [ total: 20611, independent: 13385, independent conditional: 0, independent unconditional: 13385, dependent: 468, dependent conditional: 0, dependent unconditional: 468, unknown: 6758, unknown conditional: 0, unknown unconditional: 6758] , Statistics on independence cache: Total cache size (in pairs): 1097, Positive cache size: 1049, Positive conditional cache size: 0, Positive unconditional cache size: 1049, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 6, Unknown conditional cache size: 0, Unknown unconditional cache size: 6 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L735] 0 _Bool x$flush_delayed; [L746] 0 int *x$read_delayed_var; [L753] 0 _Bool weak$$choice0; [L754] 0 _Bool weak$$choice1; [L755] 0 _Bool weak$$choice2; [L736] 0 int x$mem_tmp; [L712] 0 int __unbuffered_p0_EAX = 0; [L740] 0 _Bool x$r_buff0_thd3; [L738] 0 _Bool x$r_buff0_thd1; [L739] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L737] 0 _Bool x$r_buff0_thd0; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L714] 0 int __unbuffered_p2_EAX = 0; [L745] 0 _Bool x$read_delayed; [L710] 0 int __unbuffered_cnt = 0; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L732] 0 _Bool main$tmp_guard1; [L750] 0 _Bool x$w_buff1_used; [L731] 0 _Bool main$tmp_guard0; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L748] 0 _Bool x$w_buff0_used; [L747] 0 int x$w_buff0; [L749] 0 int x$w_buff1; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L734] 0 int x = 0; [L742] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L741] 0 _Bool x$r_buff1_thd0; [L752] 0 int y = 0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L744] 0 _Bool x$r_buff1_thd3; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L743] 0 _Bool x$r_buff1_thd2; [L871] 0 pthread_t t2121; [L872] FCALL, FORK 0 pthread_create(&t2121, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2121, ((void *)0), P0, ((void *)0))=0, t2121={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L873] 0 pthread_t t2122; [L874] FCALL, FORK 0 pthread_create(&t2122, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2122, ((void *)0), P1, ((void *)0))=1, t2121={7:0}, t2122={15:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L789] 2 x$w_buff1 = x$w_buff0 [L790] 2 x$w_buff0 = 1 [L791] 2 x$w_buff1_used = x$w_buff0_used [L792] 2 x$w_buff0_used = (_Bool)1 [L793] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L793] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L794] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L795] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L796] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L797] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L798] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L801] 2 x$w_buff1 = x$w_buff0 [L802] 2 x$w_buff0 = 2 [L803] 2 x$w_buff1_used = x$w_buff0_used [L804] 2 x$w_buff0_used = (_Bool)1 [L805] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=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: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed 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: -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: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 876]: 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: 874]: 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: 872]: 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 with 1 thread instances CFG has 7 procedures, 261 locations, 105 error locations. Started 1 CEGAR loops. OverallTime: 98.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 89.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 8 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119756occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 2 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-11-18 20:48:17,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea7fa4a-d3a1-459d-b967-a883546e4cd4/bin/uautomizer-TMbwUNV5ro/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