./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8 --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 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 --- 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-e04fb08 [2022-11-16 11:47:57,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:47:57,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:47:57,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:47:57,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:47:57,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:47:57,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:47:57,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:47:57,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:47:57,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:47:57,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:47:57,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:47:57,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:47:57,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:47:57,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:47:57,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:47:57,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:47:57,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:47:57,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:47:57,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:47:57,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:47:57,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:47:57,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:47:57,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:47:57,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:47:57,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:47:57,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:47:57,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:47:57,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:47:57,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:47:57,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:47:57,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:47:57,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:47:57,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:47:57,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:47:57,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:47:57,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:47:57,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:47:57,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:47:57,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:47:57,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:47:57,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 11:47:57,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:47:57,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:47:57,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:47:57,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:47:57,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:47:57,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:47:57,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:47:57,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:47:57,714 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:47:57,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:47:57,714 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:47:57,714 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:47:57,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:47:57,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:47:57,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:47:57,718 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:47:57,718 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:47:57,719 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:47:57,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:47:57,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:47:57,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:47:57,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:47:57,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:47:57,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:47:57,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:47:57,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:47:57,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:47:57,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:47:57,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:47:57,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:47:57,722 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_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 [2022-11-16 11:47:58,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:47:58,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:47:58,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:47:58,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:47:58,047 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:47:58,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/safe031_tso.i [2022-11-16 11:47:58,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/data/396b172e4/997912637f454b3b8cd69ca1b1dc0031/FLAG028515f3f [2022-11-16 11:47:58,709 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:47:58,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/sv-benchmarks/c/pthread-wmm/safe031_tso.i [2022-11-16 11:47:58,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/data/396b172e4/997912637f454b3b8cd69ca1b1dc0031/FLAG028515f3f [2022-11-16 11:47:58,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/data/396b172e4/997912637f454b3b8cd69ca1b1dc0031 [2022-11-16 11:47:58,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:47:58,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:47:58,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:58,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:47:58,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:47:58,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:58" (1/1) ... [2022-11-16 11:47:58,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fdf173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:58, skipping insertion in model container [2022-11-16 11:47:58,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:58" (1/1) ... [2022-11-16 11:47:59,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:47:59,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:47:59,240 WARN L229 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_6dd2884b-b09f-4721-90c7-f4d223576e0d/sv-benchmarks/c/pthread-wmm/safe031_tso.i[945,958] [2022-11-16 11:47:59,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:59,406 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:47:59,418 WARN L229 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_6dd2884b-b09f-4721-90c7-f4d223576e0d/sv-benchmarks/c/pthread-wmm/safe031_tso.i[945,958] [2022-11-16 11:47:59,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:59,476 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:47:59,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59 WrapperNode [2022-11-16 11:47:59,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:59,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:59,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:47:59,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:47:59,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,535 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-11-16 11:47:59,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:59,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:47:59,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:47:59,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:47:59,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:47:59,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:47:59,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:47:59,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:47:59,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (1/1) ... [2022-11-16 11:47:59,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:47:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:47:59,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:47:59,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:47:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:47:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:47:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:47:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:47:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:47:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:47:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:47:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:47:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:47:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 11:47:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 11:47:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:47:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:47:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:47:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:47:59,668 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:47:59,808 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:47:59,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:48:00,085 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:48:00,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:48:00,092 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:48:00,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:48:00 BoogieIcfgContainer [2022-11-16 11:48:00,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:48:00,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:48:00,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:48:00,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:48:00,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:47:58" (1/3) ... [2022-11-16 11:48:00,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e252627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:48:00, skipping insertion in model container [2022-11-16 11:48:00,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:59" (2/3) ... [2022-11-16 11:48:00,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e252627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:48:00, skipping insertion in model container [2022-11-16 11:48:00,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:48:00" (3/3) ... [2022-11-16 11:48:00,107 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2022-11-16 11:48:00,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:48:00,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-16 11:48:00,130 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:48:00,241 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:48:00,293 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 11:48:00,310 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 101 transitions, 217 flow [2022-11-16 11:48:00,315 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 101 transitions, 217 flow [2022-11-16 11:48:00,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 101 transitions, 217 flow [2022-11-16 11:48:00,400 INFO L130 PetriNetUnfolder]: 2/98 cut-off events. [2022-11-16 11:48:00,401 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:48:00,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 2/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2022-11-16 11:48:00,414 INFO L119 LiptonReduction]: Number of co-enabled transitions 1800 [2022-11-16 11:48:04,050 INFO L134 LiptonReduction]: Checked pairs total: 3068 [2022-11-16 11:48:04,051 INFO L136 LiptonReduction]: Total number of compositions: 104 [2022-11-16 11:48:04,067 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-16 11:48:04,152 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 404 states, 396 states have (on average 3.111111111111111) internal successors, (1232), 403 states have internal predecessors, (1232), 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) [2022-11-16 11:48:04,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:48:04,179 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;@3da0f405, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:48:04,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-11-16 11:48:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 404 states, 396 states have (on average 3.111111111111111) internal successors, (1232), 403 states have internal predecessors, (1232), 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) [2022-11-16 11:48:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 11:48:04,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:04,190 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 11:48:04,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash 362, now seen corresponding path program 1 times [2022-11-16 11:48:04,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:04,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053333977] [2022-11-16 11:48:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:04,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:04,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:04,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053333977] [2022-11-16 11:48:04,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053333977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:04,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:04,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 11:48:04,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289302037] [2022-11-16 11:48:04,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:04,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:48:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:04,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:48:04,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:48:04,362 INFO L87 Difference]: Start difference. First operand has 404 states, 396 states have (on average 3.111111111111111) internal successors, (1232), 403 states have internal predecessors, (1232), 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) [2022-11-16 11:48:04,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:04,420 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2022-11-16 11:48:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:48:04,423 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 [2022-11-16 11:48:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:04,439 INFO L225 Difference]: With dead ends: 362 [2022-11-16 11:48:04,439 INFO L226 Difference]: Without dead ends: 362 [2022-11-16 11:48:04,440 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 [2022-11-16 11:48:04,443 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:04,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:48:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-16 11:48:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-11-16 11:48:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 360 states have (on average 2.977777777777778) internal successors, (1072), 361 states have internal predecessors, (1072), 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) [2022-11-16 11:48:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 1072 transitions. [2022-11-16 11:48:04,531 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 1072 transitions. Word has length 1 [2022-11-16 11:48:04,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:04,531 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 1072 transitions. [2022-11-16 11:48:04,531 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) [2022-11-16 11:48:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1072 transitions. [2022-11-16 11:48:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:48:04,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:04,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:04,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:48:04,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:04,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1735673595, now seen corresponding path program 1 times [2022-11-16 11:48:04,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:04,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83257565] [2022-11-16 11:48:04,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:04,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:05,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:05,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83257565] [2022-11-16 11:48:05,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83257565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:05,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:05,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:48:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596426539] [2022-11-16 11:48:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:05,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:05,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:05,016 INFO L87 Difference]: Start difference. First operand 362 states and 1072 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-16 11:48:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:05,151 INFO L93 Difference]: Finished difference Result 756 states and 2138 transitions. [2022-11-16 11:48:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:05,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-16 11:48:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:05,158 INFO L225 Difference]: With dead ends: 756 [2022-11-16 11:48:05,158 INFO L226 Difference]: Without dead ends: 756 [2022-11-16 11:48:05,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:05,160 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:05,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 15 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:48:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-11-16 11:48:05,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 506. [2022-11-16 11:48:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 504 states have (on average 2.988095238095238) internal successors, (1506), 505 states have internal predecessors, (1506), 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) [2022-11-16 11:48:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 1506 transitions. [2022-11-16 11:48:05,194 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 1506 transitions. Word has length 9 [2022-11-16 11:48:05,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:05,195 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 1506 transitions. [2022-11-16 11:48:05,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-16 11:48:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1506 transitions. [2022-11-16 11:48:05,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:48:05,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:05,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:05,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:48:05,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:05,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:05,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1735673642, now seen corresponding path program 1 times [2022-11-16 11:48:05,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:05,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328841514] [2022-11-16 11:48:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:05,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:05,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328841514] [2022-11-16 11:48:05,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328841514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:05,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:05,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:48:05,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126313902] [2022-11-16 11:48:05,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:05,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:48:05,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:05,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:48:05,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:05,676 INFO L87 Difference]: Start difference. First operand 506 states and 1506 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-16 11:48:05,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:05,760 INFO L93 Difference]: Finished difference Result 442 states and 1238 transitions. [2022-11-16 11:48:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-16 11:48:05,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:05,764 INFO L225 Difference]: With dead ends: 442 [2022-11-16 11:48:05,764 INFO L226 Difference]: Without dead ends: 338 [2022-11-16 11:48:05,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:05,769 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 19 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:05,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 18 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:48:05,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-11-16 11:48:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2022-11-16 11:48:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 337 states have (on average 2.741839762611276) internal successors, (924), 337 states have internal predecessors, (924), 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) [2022-11-16 11:48:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 924 transitions. [2022-11-16 11:48:05,800 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 924 transitions. Word has length 9 [2022-11-16 11:48:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:05,801 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 924 transitions. [2022-11-16 11:48:05,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-16 11:48:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 924 transitions. [2022-11-16 11:48:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:48:05,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:05,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:05,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:48:05,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:05,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash 882323697, now seen corresponding path program 1 times [2022-11-16 11:48:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:05,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900181846] [2022-11-16 11:48:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:05,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:05,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900181846] [2022-11-16 11:48:05,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900181846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:05,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:05,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:48:05,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301386676] [2022-11-16 11:48:05,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:05,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:05,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:05,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:05,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:05,935 INFO L87 Difference]: Start difference. First operand 338 states and 924 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 11:48:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:06,003 INFO L93 Difference]: Finished difference Result 374 states and 990 transitions. [2022-11-16 11:48:06,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:06,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-16 11:48:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:06,006 INFO L225 Difference]: With dead ends: 374 [2022-11-16 11:48:06,007 INFO L226 Difference]: Without dead ends: 326 [2022-11-16 11:48:06,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:06,010 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:06,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 13 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:48:06,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-11-16 11:48:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2022-11-16 11:48:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 2.707692307692308) internal successors, (880), 325 states have internal predecessors, (880), 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) [2022-11-16 11:48:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 880 transitions. [2022-11-16 11:48:06,025 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 880 transitions. Word has length 10 [2022-11-16 11:48:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:06,026 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 880 transitions. [2022-11-16 11:48:06,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 11:48:06,028 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 880 transitions. [2022-11-16 11:48:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:48:06,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:06,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:06,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:48:06,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:06,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2028740173, now seen corresponding path program 1 times [2022-11-16 11:48:06,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:06,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270666981] [2022-11-16 11:48:06,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:06,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:06,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:06,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270666981] [2022-11-16 11:48:06,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270666981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:06,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:06,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:48:06,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089325003] [2022-11-16 11:48:06,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:06,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:06,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:06,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:06,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:06,186 INFO L87 Difference]: Start difference. First operand 326 states and 880 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 11:48:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:06,265 INFO L93 Difference]: Finished difference Result 350 states and 914 transitions. [2022-11-16 11:48:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:06,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-16 11:48:06,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:06,275 INFO L225 Difference]: With dead ends: 350 [2022-11-16 11:48:06,275 INFO L226 Difference]: Without dead ends: 302 [2022-11-16 11:48:06,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:06,277 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:06,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 13 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:48:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-11-16 11:48:06,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2022-11-16 11:48:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 297 states have (on average 2.6734006734006734) internal successors, (794), 297 states have internal predecessors, (794), 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) [2022-11-16 11:48:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 794 transitions. [2022-11-16 11:48:06,290 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 794 transitions. Word has length 10 [2022-11-16 11:48:06,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:06,291 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 794 transitions. [2022-11-16 11:48:06,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-16 11:48:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 794 transitions. [2022-11-16 11:48:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:48:06,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:06,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:06,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:48:06,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:06,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1582184061, now seen corresponding path program 1 times [2022-11-16 11:48:06,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:06,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611759208] [2022-11-16 11:48:06,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:06,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:06,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:06,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611759208] [2022-11-16 11:48:06,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611759208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:06,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:06,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:48:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372229137] [2022-11-16 11:48:06,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:06,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:06,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:06,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:06,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:06,469 INFO L87 Difference]: Start difference. First operand 298 states and 794 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-16 11:48:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:06,520 INFO L93 Difference]: Finished difference Result 317 states and 754 transitions. [2022-11-16 11:48:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:48:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-16 11:48:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:06,522 INFO L225 Difference]: With dead ends: 317 [2022-11-16 11:48:06,522 INFO L226 Difference]: Without dead ends: 237 [2022-11-16 11:48:06,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:06,523 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 31 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:06,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 9 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:48:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2022-11-16 11:48:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2022-11-16 11:48:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 2.3516949152542375) internal successors, (555), 236 states have internal predecessors, (555), 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) [2022-11-16 11:48:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 555 transitions. [2022-11-16 11:48:06,532 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 555 transitions. Word has length 11 [2022-11-16 11:48:06,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:06,532 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 555 transitions. [2022-11-16 11:48:06,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-16 11:48:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 555 transitions. [2022-11-16 11:48:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:48:06,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:06,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:06,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:48:06,535 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:06,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:06,537 INFO L85 PathProgramCache]: Analyzing trace with hash 372026501, now seen corresponding path program 1 times [2022-11-16 11:48:06,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:06,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854670934] [2022-11-16 11:48:06,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:06,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:06,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854670934] [2022-11-16 11:48:06,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854670934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:06,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:06,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:48:06,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654284827] [2022-11-16 11:48:06,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:06,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:06,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:06,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:06,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:06,678 INFO L87 Difference]: Start difference. First operand 237 states and 555 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-16 11:48:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:06,749 INFO L93 Difference]: Finished difference Result 328 states and 733 transitions. [2022-11-16 11:48:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:06,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-11-16 11:48:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:06,751 INFO L225 Difference]: With dead ends: 328 [2022-11-16 11:48:06,752 INFO L226 Difference]: Without dead ends: 246 [2022-11-16 11:48:06,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:06,753 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 15 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:06,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 17 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:48:06,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-16 11:48:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 204. [2022-11-16 11:48:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 2.2857142857142856) internal successors, (464), 203 states have internal predecessors, (464), 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) [2022-11-16 11:48:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 464 transitions. [2022-11-16 11:48:06,761 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 464 transitions. Word has length 13 [2022-11-16 11:48:06,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:06,761 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 464 transitions. [2022-11-16 11:48:06,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-16 11:48:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 464 transitions. [2022-11-16 11:48:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:48:06,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:06,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:06,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:48:06,763 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:06,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1964787262, now seen corresponding path program 1 times [2022-11-16 11:48:06,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:06,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34679584] [2022-11-16 11:48:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:06,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:06,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:06,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34679584] [2022-11-16 11:48:06,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34679584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:06,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:06,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:48:06,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377657933] [2022-11-16 11:48:06,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:06,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:48:06,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:48:06,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:06,902 INFO L87 Difference]: Start difference. First operand 204 states and 464 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-16 11:48:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:06,972 INFO L93 Difference]: Finished difference Result 183 states and 376 transitions. [2022-11-16 11:48:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:06,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-11-16 11:48:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:06,974 INFO L225 Difference]: With dead ends: 183 [2022-11-16 11:48:06,974 INFO L226 Difference]: Without dead ends: 137 [2022-11-16 11:48:06,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:48:06,976 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 59 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:06,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 12 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:48:06,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-16 11:48:06,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2022-11-16 11:48:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 2.022727272727273) internal successors, (267), 132 states have internal predecessors, (267), 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) [2022-11-16 11:48:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 267 transitions. [2022-11-16 11:48:06,982 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 267 transitions. Word has length 13 [2022-11-16 11:48:06,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:06,982 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 267 transitions. [2022-11-16 11:48:06,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-16 11:48:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 267 transitions. [2022-11-16 11:48:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:48:06,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:06,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:06,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:48:06,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:06,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1571036089, now seen corresponding path program 1 times [2022-11-16 11:48:06,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:06,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293271640] [2022-11-16 11:48:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:06,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:07,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:07,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293271640] [2022-11-16 11:48:07,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293271640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:07,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:07,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:48:07,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88532500] [2022-11-16 11:48:07,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:07,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:07,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:07,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:07,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:07,122 INFO L87 Difference]: Start difference. First operand 133 states and 267 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-16 11:48:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:07,177 INFO L93 Difference]: Finished difference Result 169 states and 324 transitions. [2022-11-16 11:48:07,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:48:07,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2022-11-16 11:48:07,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:07,179 INFO L225 Difference]: With dead ends: 169 [2022-11-16 11:48:07,179 INFO L226 Difference]: Without dead ends: 130 [2022-11-16 11:48:07,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:07,181 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:07,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:48:07,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-16 11:48:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2022-11-16 11:48:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.984) internal successors, (248), 125 states have internal predecessors, (248), 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) [2022-11-16 11:48:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 248 transitions. [2022-11-16 11:48:07,186 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 248 transitions. Word has length 15 [2022-11-16 11:48:07,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:07,186 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 248 transitions. [2022-11-16 11:48:07,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-16 11:48:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 248 transitions. [2022-11-16 11:48:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:48:07,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:07,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:07,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:48:07,188 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:07,189 INFO L85 PathProgramCache]: Analyzing trace with hash -305358193, now seen corresponding path program 2 times [2022-11-16 11:48:07,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:07,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138069264] [2022-11-16 11:48:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:07,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:07,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138069264] [2022-11-16 11:48:07,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138069264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:07,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:07,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:48:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144290114] [2022-11-16 11:48:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:07,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:48:07,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:48:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:48:07,384 INFO L87 Difference]: Start difference. First operand 126 states and 248 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-16 11:48:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:07,463 INFO L93 Difference]: Finished difference Result 113 states and 220 transitions. [2022-11-16 11:48:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:48:07,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2022-11-16 11:48:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:07,464 INFO L225 Difference]: With dead ends: 113 [2022-11-16 11:48:07,464 INFO L226 Difference]: Without dead ends: 37 [2022-11-16 11:48:07,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:48:07,465 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 66 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:07,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 7 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:48:07,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-16 11:48:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-16 11:48:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.5833333333333333) internal successors, (57), 36 states have internal predecessors, (57), 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) [2022-11-16 11:48:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2022-11-16 11:48:07,468 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 15 [2022-11-16 11:48:07,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:07,468 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2022-11-16 11:48:07,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-16 11:48:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2022-11-16 11:48:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 11:48:07,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:07,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:07,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:48:07,469 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 8 more)] === [2022-11-16 11:48:07,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:07,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1577501829, now seen corresponding path program 1 times [2022-11-16 11:48:07,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:07,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335825293] [2022-11-16 11:48:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:48:07,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:07,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335825293] [2022-11-16 11:48:07,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335825293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:07,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:07,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:48:07,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552551211] [2022-11-16 11:48:07,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:07,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:48:07,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:07,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:48:07,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:07,592 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-16 11:48:07,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:07,647 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2022-11-16 11:48:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:07,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2022-11-16 11:48:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:07,648 INFO L225 Difference]: With dead ends: 36 [2022-11-16 11:48:07,648 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:48:07,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:48:07,649 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:07,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:48:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:48:07,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:48:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-16 11:48:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:48:07,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-16 11:48:07,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:07,651 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:48:07,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-16 11:48:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:48:07,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:48:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 11 remaining) [2022-11-16 11:48:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 11 remaining) [2022-11-16 11:48:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 11 remaining) [2022-11-16 11:48:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 11 remaining) [2022-11-16 11:48:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 11 remaining) [2022-11-16 11:48:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 11 remaining) [2022-11-16 11:48:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (4 of 11 remaining) [2022-11-16 11:48:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (3 of 11 remaining) [2022-11-16 11:48:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2022-11-16 11:48:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2022-11-16 11:48:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2022-11-16 11:48:07,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:48:07,659 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:07,662 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:48:07,662 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:48:07,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:48:07 BasicIcfg [2022-11-16 11:48:07,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:48:07,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:48:07,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:48:07,666 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:48:07,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:48:00" (3/4) ... [2022-11-16 11:48:07,669 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:48:07,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-16 11:48:07,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-16 11:48:07,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-16 11:48:07,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:48:07,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:48:07,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:48:07,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:48:07,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:48:07,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:48:07,713 INFO L158 Benchmark]: Toolchain (without parser) took 8728.52ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 73.3MB in the end (delta: 41.9MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,714 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 153.1MB. Free memory was 133.8MB in the beginning and 133.7MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:48:07,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.39ms. Allocated memory is still 153.1MB. Free memory was 115.0MB in the beginning and 119.5MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.28ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 117.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,715 INFO L158 Benchmark]: Boogie Preprocessor took 33.86ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 116.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,715 INFO L158 Benchmark]: RCFGBuilder took 512.07ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 101.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,715 INFO L158 Benchmark]: TraceAbstraction took 7567.57ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 100.6MB in the beginning and 76.4MB in the end (delta: 24.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,716 INFO L158 Benchmark]: Witness Printer took 47.46ms. Allocated memory is still 184.5MB. Free memory was 76.4MB in the beginning and 73.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:48:07,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 153.1MB. Free memory was 133.8MB in the beginning and 133.7MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.39ms. Allocated memory is still 153.1MB. Free memory was 115.0MB in the beginning and 119.5MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.28ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 117.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.86ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 116.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.07ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 101.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7567.57ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 100.6MB in the beginning and 76.4MB in the end (delta: 24.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Witness Printer took 47.46ms. Allocated memory is still 184.5MB. Free memory was 76.4MB in the beginning and 73.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 109 PlacesBefore, 39 PlacesAfterwards, 101 TransitionsBefore, 30 TransitionsAfterwards, 1800 CoEnabledTransitionPairs, 5 FixpointIterations, 33 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 104 TotalNumberOfCompositions, 3068 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1881, independent: 1807, independent conditional: 0, independent unconditional: 1807, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1273, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1273, independent: 1235, independent conditional: 0, independent unconditional: 1235, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1881, independent: 566, independent conditional: 0, independent unconditional: 566, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 1273, unknown conditional: 0, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 776]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 124 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 571 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 55 mSDtfsCounter, 571 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=506occurred in iteration=2, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 304 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 573 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:48:07,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd2884b-b09f-4721-90c7-f4d223576e0d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE