./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 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_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 --- 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-b5237d8 [2022-11-22 02:02:02,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:02:02,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:02:02,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:02:02,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:02:02,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:02:02,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:02:02,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:02:02,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:02:02,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:02:02,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:02:02,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:02:02,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:02:02,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:02:02,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:02:02,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:02:02,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:02:02,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:02:02,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:02:02,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:02:02,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:02:02,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:02:02,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:02:02,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:02:02,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:02:02,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:02:02,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:02:02,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:02:02,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:02:02,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:02:02,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:02:02,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:02:02,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:02:02,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:02:02,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:02:02,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:02:02,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:02:02,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:02:02,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:02:02,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:02:02,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:02:02,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-22 02:02:02,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:02:02,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:02:02,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:02:02,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:02:02,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:02:02,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:02:02,744 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:02:02,744 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:02:02,744 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:02:02,745 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:02:02,746 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:02:02,746 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:02:02,746 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:02:02,747 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:02:02,747 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:02:02,747 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:02:02,747 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:02:02,748 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:02:02,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:02:02,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:02:02,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:02:02,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:02:02,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:02:02,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:02:02,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:02:02,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:02:02,751 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:02:02,751 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:02:02,751 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:02:02,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:02:02,752 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:02:02,752 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:02:02,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:02:02,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:02:02,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:02:02,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:02:02,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:02:02,754 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:02:02,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:02:02,754 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:02:02,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:02:02,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:02:02,755 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_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 [2022-11-22 02:02:03,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:02:03,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:02:03,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:02:03,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:02:03,144 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:02:03,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i [2022-11-22 02:02:06,297 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:02:06,569 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:02:06,569 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i [2022-11-22 02:02:06,594 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/data/ec0625c0f/73e1efb12d184217ae8119e3905440cc/FLAGe6555bf5c [2022-11-22 02:02:06,613 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/data/ec0625c0f/73e1efb12d184217ae8119e3905440cc [2022-11-22 02:02:06,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:02:06,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:02:06,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:02:06,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:02:06,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:02:06,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:02:06" (1/1) ... [2022-11-22 02:02:06,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577944e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:06, skipping insertion in model container [2022-11-22 02:02:06,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:02:06" (1/1) ... [2022-11-22 02:02:06,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:02:06,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:02:06,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2022-11-22 02:02:07,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:02:07,131 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:02:07,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/sv-benchmarks/c/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2022-11-22 02:02:07,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:02:07,258 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:02:07,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07 WrapperNode [2022-11-22 02:02:07,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:02:07,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:02:07,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:02:07,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:02:07,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,329 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2022-11-22 02:02:07,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:02:07,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:02:07,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:02:07,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:02:07,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,350 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:02:07,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:02:07,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:02:07,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:02:07,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (1/1) ... [2022-11-22 02:02:07,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:02:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:02:07,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:02:07,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:02:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:02:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 02:02:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:02:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:02:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-22 02:02:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-22 02:02:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:02:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:02:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:02:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:02:07,436 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:02:07,558 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:02:07,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:02:07,698 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:02:07,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:02:07,705 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:02:07,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:02:07 BoogieIcfgContainer [2022-11-22 02:02:07,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:02:07,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:02:07,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:02:07,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:02:07,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:02:06" (1/3) ... [2022-11-22 02:02:07,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595bdcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:02:07, skipping insertion in model container [2022-11-22 02:02:07,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:07" (2/3) ... [2022-11-22 02:02:07,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595bdcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:02:07, skipping insertion in model container [2022-11-22 02:02:07,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:02:07" (3/3) ... [2022-11-22 02:02:07,717 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2022-11-22 02:02:07,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:02:07,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-22 02:02:07,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:02:07,799 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 02:02:07,833 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:02:07,849 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 72 transitions, 149 flow [2022-11-22 02:02:07,852 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 72 transitions, 149 flow [2022-11-22 02:02:07,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 72 transitions, 149 flow [2022-11-22 02:02:07,908 INFO L130 PetriNetUnfolder]: 3/71 cut-off events. [2022-11-22 02:02:07,909 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 02:02:07,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 3/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 65 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2022-11-22 02:02:07,918 INFO L119 LiptonReduction]: Number of co-enabled transitions 504 [2022-11-22 02:02:10,573 INFO L134 LiptonReduction]: Checked pairs total: 893 [2022-11-22 02:02:10,574 INFO L136 LiptonReduction]: Total number of compositions: 75 [2022-11-22 02:02:10,583 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 19 transitions, 43 flow [2022-11-22 02:02:10,598 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 40 states, 35 states have (on average 2.0285714285714285) internal successors, (71), 39 states have internal predecessors, (71), 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) [2022-11-22 02:02:10,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:02:10,626 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;@b0a182c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:02:10,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-22 02:02:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 35 states have (on average 2.0285714285714285) internal successors, (71), 39 states have internal predecessors, (71), 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) [2022-11-22 02:02:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 02:02:10,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:10,634 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 02:02:10,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-11-22 02:02:10,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash 271, now seen corresponding path program 1 times [2022-11-22 02:02:10,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:10,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893995469] [2022-11-22 02:02:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:02:10,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:10,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893995469] [2022-11-22 02:02:10,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893995469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:10,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:10,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 02:02:10,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468571684] [2022-11-22 02:02:10,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:10,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:02:10,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:10,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:02:10,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:02:10,802 INFO L87 Difference]: Start difference. First operand has 40 states, 35 states have (on average 2.0285714285714285) internal successors, (71), 39 states have internal predecessors, (71), 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) [2022-11-22 02:02:10,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:10,852 INFO L93 Difference]: Finished difference Result 34 states and 58 transitions. [2022-11-22 02:02:10,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:02:10,855 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 [2022-11-22 02:02:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:10,876 INFO L225 Difference]: With dead ends: 34 [2022-11-22 02:02:10,876 INFO L226 Difference]: Without dead ends: 34 [2022-11-22 02:02:10,877 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 [2022-11-22 02:02:10,881 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:10,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:02:10,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-22 02:02:10,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-22 02:02:10,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 states have internal predecessors, (58), 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) [2022-11-22 02:02:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 58 transitions. [2022-11-22 02:02:10,937 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 58 transitions. Word has length 1 [2022-11-22 02:02:10,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:10,937 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 58 transitions. [2022-11-22 02:02:10,938 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) [2022-11-22 02:02:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2022-11-22 02:02:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:02:10,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:10,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:02:10,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:02:10,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-11-22 02:02:10,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:10,941 INFO L85 PathProgramCache]: Analyzing trace with hash 8210198, now seen corresponding path program 1 times [2022-11-22 02:02:10,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:10,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577782956] [2022-11-22 02:02:10,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:10,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:02:11,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:11,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577782956] [2022-11-22 02:02:11,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577782956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:11,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:11,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 02:02:11,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495630377] [2022-11-22 02:02:11,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:11,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:11,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:11,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:11,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:11,147 INFO L87 Difference]: Start difference. First operand 34 states and 58 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:02:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:11,184 INFO L93 Difference]: Finished difference Result 38 states and 56 transitions. [2022-11-22 02:02:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:11,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 02:02:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:11,187 INFO L225 Difference]: With dead ends: 38 [2022-11-22 02:02:11,187 INFO L226 Difference]: Without dead ends: 36 [2022-11-22 02:02:11,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:11,189 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:11,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:02:11,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-22 02:02:11,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2022-11-22 02:02:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 29 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:02:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 46 transitions. [2022-11-22 02:02:11,196 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 46 transitions. Word has length 4 [2022-11-22 02:02:11,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:11,197 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 46 transitions. [2022-11-22 02:02:11,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:02:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-11-22 02:02:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:02:11,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:11,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:02:11,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:02:11,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-11-22 02:02:11,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash 254524252, now seen corresponding path program 1 times [2022-11-22 02:02:11,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:11,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140590323] [2022-11-22 02:02:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:02:11,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:11,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140590323] [2022-11-22 02:02:11,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140590323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:11,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:11,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 02:02:11,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629071818] [2022-11-22 02:02:11,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:11,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:11,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:11,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:11,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:11,421 INFO L87 Difference]: Start difference. First operand 30 states and 46 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-22 02:02:11,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:11,441 INFO L93 Difference]: Finished difference Result 26 states and 39 transitions. [2022-11-22 02:02:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:11,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-11-22 02:02:11,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:11,442 INFO L225 Difference]: With dead ends: 26 [2022-11-22 02:02:11,442 INFO L226 Difference]: Without dead ends: 10 [2022-11-22 02:02:11,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:11,444 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:11,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:02:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-22 02:02:11,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-22 02:02:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2022-11-22 02:02:11,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-22 02:02:11,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5 [2022-11-22 02:02:11,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:11,447 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-22 02:02:11,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-22 02:02:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-22 02:02:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:02:11,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:11,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:02:11,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:02:11,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-11-22 02:02:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:11,449 INFO L85 PathProgramCache]: Analyzing trace with hash -700582583, now seen corresponding path program 1 times [2022-11-22 02:02:11,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:11,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490285712] [2022-11-22 02:02:11,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:11,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:02:11,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490285712] [2022-11-22 02:02:11,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490285712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:11,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:11,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:02:11,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772861048] [2022-11-22 02:02:11,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:11,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:02:11,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:02:11,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:02:11,684 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:02:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:11,711 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2022-11-22 02:02:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:02:11,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 02:02:11,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:11,712 INFO L225 Difference]: With dead ends: 5 [2022-11-22 02:02:11,712 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:02:11,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:02:11,717 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:11,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:02:11,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:02:11,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:02:11,722 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) [2022-11-22 02:02:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:02:11,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-22 02:02:11,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:11,723 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:02:11,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:02:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:02:11,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:02:11,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2022-11-22 02:02:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2022-11-22 02:02:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2022-11-22 02:02:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (2 of 6 remaining) [2022-11-22 02:02:11,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (1 of 6 remaining) [2022-11-22 02:02:11,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2022-11-22 02:02:11,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:02:11,731 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 02:02:11,733 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 02:02:11,733 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:02:11,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:02:11 BasicIcfg [2022-11-22 02:02:11,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:02:11,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:02:11,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:02:11,741 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:02:11,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:02:07" (3/4) ... [2022-11-22 02:02:11,745 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:02:11,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-22 02:02:11,759 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-22 02:02:11,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 02:02:11,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 02:02:11,765 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:02:11,804 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:02:11,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:02:11,805 INFO L158 Benchmark]: Toolchain (without parser) took 5184.94ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 76.3MB in the beginning and 78.9MB in the end (delta: -2.6MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,805 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 86.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:02:11,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.89ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 76.3MB in the beginning and 140.2MB in the end (delta: -64.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.28ms. Allocated memory is still 172.0MB. Free memory was 140.2MB in the beginning and 141.9MB in the end (delta: -1.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,806 INFO L158 Benchmark]: Boogie Preprocessor took 23.82ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 140.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,807 INFO L158 Benchmark]: RCFGBuilder took 352.70ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 127.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,807 INFO L158 Benchmark]: TraceAbstraction took 4030.08ms. Allocated memory is still 172.0MB. Free memory was 127.2MB in the beginning and 82.0MB in the end (delta: 45.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,807 INFO L158 Benchmark]: Witness Printer took 63.45ms. Allocated memory is still 172.0MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:02:11,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 86.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.89ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 76.3MB in the beginning and 140.2MB in the end (delta: -64.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.28ms. Allocated memory is still 172.0MB. Free memory was 140.2MB in the beginning and 141.9MB in the end (delta: -1.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.82ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 140.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.70ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 127.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4030.08ms. Allocated memory is still 172.0MB. Free memory was 127.2MB in the beginning and 82.0MB in the end (delta: 45.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 63.45ms. Allocated memory is still 172.0MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 73 PlacesBefore, 21 PlacesAfterwards, 72 TransitionsBefore, 19 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 893 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 540, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 358, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 358, independent: 324, independent conditional: 0, independent unconditional: 324, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 540, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 358, unknown conditional: 0, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 689]: 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 3 procedures, 79 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-22 02:02:11,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d9a46-f30f-444b-84f9-776b25436b4f/bin/utaipan-g80aRyZoba/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