./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b --- 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 11:10:04,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:10:04,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:10:04,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:10:04,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:10:04,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:10:04,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:10:04,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:10:04,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:10:04,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:10:04,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:10:04,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:10:04,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:10:04,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:10:04,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:10:04,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:10:04,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:10:04,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:10:04,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:10:04,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:10:04,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:10:04,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:10:04,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:10:04,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:10:04,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:10:04,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:10:04,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:10:04,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:10:04,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:10:04,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:10:04,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:10:04,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:10:04,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:10:04,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:10:04,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:10:04,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:10:04,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:10:04,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:10:04,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:10:04,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:10:04,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:10:04,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 11:10:04,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:10:04,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:10:04,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:10:04,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:10:04,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:10:04,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:10:04,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:10:04,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:10:04,777 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:10:04,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:10:04,779 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:10:04,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:10:04,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:10:04,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:10:04,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:10:04,780 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:10:04,780 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:10:04,780 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:10:04,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:10:04,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:10:04,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:10:04,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:10:04,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:10:04,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:10:04,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:10:04,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:10:04,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:10:04,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:10:04,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:10:04,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:10:04,785 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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b [2022-11-16 11:10:05,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:10:05,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:10:05,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:10:05,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:10:05,113 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:10:05,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i [2022-11-16 11:10:05,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/822d9937a/daf30e5c3d954f00865a11b9cc4596e9/FLAGb3003f484 [2022-11-16 11:10:05,879 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:10:05,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/sv-benchmarks/c/pthread-wmm/mix016.oepc.i [2022-11-16 11:10:05,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/822d9937a/daf30e5c3d954f00865a11b9cc4596e9/FLAGb3003f484 [2022-11-16 11:10:06,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/822d9937a/daf30e5c3d954f00865a11b9cc4596e9 [2022-11-16 11:10:06,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:10:06,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:10:06,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:06,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:10:06,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:10:06,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:06" (1/1) ... [2022-11-16 11:10:06,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ccb71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:06, skipping insertion in model container [2022-11-16 11:10:06,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:06" (1/1) ... [2022-11-16 11:10:06,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:10:06,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:10:06,506 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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/sv-benchmarks/c/pthread-wmm/mix016.oepc.i[945,958] [2022-11-16 11:10:06,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:06,860 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:10:06,887 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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/sv-benchmarks/c/pthread-wmm/mix016.oepc.i[945,958] [2022-11-16 11:10:06,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:07,002 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:10:07,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07 WrapperNode [2022-11-16 11:10:07,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:07,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:07,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:10:07,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:10:07,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,101 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2022-11-16 11:10:07,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:07,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:10:07,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:10:07,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:10:07,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:10:07,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:10:07,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:10:07,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:10:07,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (1/1) ... [2022-11-16 11:10:07,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:10:07,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:07,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:07,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:10:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:10:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:10:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:10:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:10:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:10:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:10:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:10:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:10:07,262 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:10:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 11:10:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 11:10:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:10:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:10:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:10:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:10:07,269 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 11:10:07,464 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:10:07,466 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:10:07,981 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:10:08,149 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:10:08,149 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:10:08,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:08 BoogieIcfgContainer [2022-11-16 11:10:08,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:10:08,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:10:08,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:10:08,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:10:08,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:10:06" (1/3) ... [2022-11-16 11:10:08,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5820c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:08, skipping insertion in model container [2022-11-16 11:10:08,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:07" (2/3) ... [2022-11-16 11:10:08,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5820c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:08, skipping insertion in model container [2022-11-16 11:10:08,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:08" (3/3) ... [2022-11-16 11:10:08,164 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016.oepc.i [2022-11-16 11:10:08,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:10:08,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-16 11:10:08,184 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:10:08,293 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:10:08,353 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 11:10:08,370 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 128 transitions, 271 flow [2022-11-16 11:10:08,373 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 128 transitions, 271 flow [2022-11-16 11:10:08,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 128 transitions, 271 flow [2022-11-16 11:10:08,443 INFO L130 PetriNetUnfolder]: 2/125 cut-off events. [2022-11-16 11:10:08,443 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:10:08,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-11-16 11:10:08,453 INFO L119 LiptonReduction]: Number of co-enabled transitions 2422 [2022-11-16 11:10:14,186 INFO L134 LiptonReduction]: Checked pairs total: 6891 [2022-11-16 11:10:14,186 INFO L136 LiptonReduction]: Total number of compositions: 122 [2022-11-16 11:10:14,194 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 36 transitions, 87 flow [2022-11-16 11:10:14,287 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1288 states, 1273 states have (on average 3.3747054202670856) internal successors, (4296), 1287 states have internal predecessors, (4296), 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 11:10:14,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:10:14,312 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;@471c88f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:10:14,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-16 11:10:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 1288 states, 1273 states have (on average 3.3747054202670856) internal successors, (4296), 1287 states have internal predecessors, (4296), 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 11:10:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 11:10:14,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:14,324 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 11:10:14,325 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:14,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:14,331 INFO L85 PathProgramCache]: Analyzing trace with hash 545, now seen corresponding path program 1 times [2022-11-16 11:10:14,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:14,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101823239] [2022-11-16 11:10:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:14,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:14,471 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 11:10:14,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:14,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101823239] [2022-11-16 11:10:14,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101823239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:14,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:14,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 11:10:14,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130841573] [2022-11-16 11:10:14,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:14,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:10:14,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:14,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:10:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:10:14,522 INFO L87 Difference]: Start difference. First operand has 1288 states, 1273 states have (on average 3.3747054202670856) internal successors, (4296), 1287 states have internal predecessors, (4296), 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 11:10:14,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:14,662 INFO L93 Difference]: Finished difference Result 1214 states and 3934 transitions. [2022-11-16 11:10:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:10:14,665 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 11:10:14,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:14,695 INFO L225 Difference]: With dead ends: 1214 [2022-11-16 11:10:14,695 INFO L226 Difference]: Without dead ends: 1214 [2022-11-16 11:10:14,696 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 11:10:14,700 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:14,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2022-11-16 11:10:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2022-11-16 11:10:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1209 states have (on average 3.2539288668320925) internal successors, (3934), 1213 states have internal predecessors, (3934), 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 11:10:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 3934 transitions. [2022-11-16 11:10:14,850 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 3934 transitions. Word has length 1 [2022-11-16 11:10:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:14,851 INFO L495 AbstractCegarLoop]: Abstraction has 1214 states and 3934 transitions. [2022-11-16 11:10:14,851 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 11:10:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 3934 transitions. [2022-11-16 11:10:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 11:10:14,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:14,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-16 11:10:14,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:10:14,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:14,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:14,853 INFO L85 PathProgramCache]: Analyzing trace with hash 538285, now seen corresponding path program 1 times [2022-11-16 11:10:14,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:14,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641206] [2022-11-16 11:10:14,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:14,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:15,231 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 11:10:15,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:15,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641206] [2022-11-16 11:10:15,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:15,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:15,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:10:15,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494360262] [2022-11-16 11:10:15,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:15,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:15,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:15,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:15,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:15,244 INFO L87 Difference]: Start difference. First operand 1214 states and 3934 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 11:10:15,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:15,360 INFO L93 Difference]: Finished difference Result 992 states and 3169 transitions. [2022-11-16 11:10:15,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:15,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-16 11:10:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:15,370 INFO L225 Difference]: With dead ends: 992 [2022-11-16 11:10:15,371 INFO L226 Difference]: Without dead ends: 962 [2022-11-16 11:10:15,372 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 [2022-11-16 11:10:15,380 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:15,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 6 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-11-16 11:10:15,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-11-16 11:10:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 960 states have (on average 3.21875) internal successors, (3090), 961 states have internal predecessors, (3090), 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 11:10:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 3090 transitions. [2022-11-16 11:10:15,432 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 3090 transitions. Word has length 3 [2022-11-16 11:10:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:15,432 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 3090 transitions. [2022-11-16 11:10:15,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 11:10:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 3090 transitions. [2022-11-16 11:10:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:10:15,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:15,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:15,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:10:15,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:15,436 INFO L85 PathProgramCache]: Analyzing trace with hash 768054028, now seen corresponding path program 1 times [2022-11-16 11:10:15,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:15,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406163393] [2022-11-16 11:10:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:15,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:15,763 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 11:10:15,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:15,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406163393] [2022-11-16 11:10:15,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406163393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:15,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:15,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:10:15,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130042174] [2022-11-16 11:10:15,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:15,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:15,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:15,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:15,766 INFO L87 Difference]: Start difference. First operand 962 states and 3090 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 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 11:10:15,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:15,900 INFO L93 Difference]: Finished difference Result 1238 states and 3882 transitions. [2022-11-16 11:10:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:15,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 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 11:10:15,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:15,910 INFO L225 Difference]: With dead ends: 1238 [2022-11-16 11:10:15,910 INFO L226 Difference]: Without dead ends: 1238 [2022-11-16 11:10:15,911 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 [2022-11-16 11:10:15,912 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:15,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2022-11-16 11:10:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 954. [2022-11-16 11:10:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 952 states have (on average 3.21218487394958) internal successors, (3058), 953 states have internal predecessors, (3058), 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 11:10:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 3058 transitions. [2022-11-16 11:10:15,959 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 3058 transitions. Word has length 9 [2022-11-16 11:10:15,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:15,960 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 3058 transitions. [2022-11-16 11:10:15,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 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 11:10:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3058 transitions. [2022-11-16 11:10:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:10:15,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:15,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:15,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:10:15,963 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:15,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1960128251, now seen corresponding path program 1 times [2022-11-16 11:10:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:15,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301695842] [2022-11-16 11:10:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:15,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:10:16,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:16,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301695842] [2022-11-16 11:10:16,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301695842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:16,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:16,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:10:16,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812773349] [2022-11-16 11:10:16,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:16,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:10:16,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:16,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:10:16,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:16,602 INFO L87 Difference]: Start difference. First operand 954 states and 3058 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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 11:10:16,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:16,858 INFO L93 Difference]: Finished difference Result 804 states and 2543 transitions. [2022-11-16 11:10:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:10:16,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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 11:10:16,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:16,863 INFO L225 Difference]: With dead ends: 804 [2022-11-16 11:10:16,863 INFO L226 Difference]: Without dead ends: 654 [2022-11-16 11:10:16,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:16,864 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 39 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:16,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 36 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:10:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-11-16 11:10:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2022-11-16 11:10:16,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 653 states have (on average 3.105666156202144) internal successors, (2028), 653 states have internal predecessors, (2028), 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 11:10:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 2028 transitions. [2022-11-16 11:10:16,890 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 2028 transitions. Word has length 10 [2022-11-16 11:10:16,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:16,891 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 2028 transitions. [2022-11-16 11:10:16,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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 11:10:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 2028 transitions. [2022-11-16 11:10:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:10:16,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:16,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:16,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:10:16,893 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:16,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:16,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1093416010, now seen corresponding path program 1 times [2022-11-16 11:10:16,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:16,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822600470] [2022-11-16 11:10:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:17,044 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 11:10:17,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:17,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822600470] [2022-11-16 11:10:17,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822600470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:17,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:17,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:10:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959820364] [2022-11-16 11:10:17,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:17,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:10:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:17,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:10:17,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:10:17,047 INFO L87 Difference]: Start difference. First operand 654 states and 2028 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) 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 11:10:17,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:17,137 INFO L93 Difference]: Finished difference Result 612 states and 1880 transitions. [2022-11-16 11:10:17,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:17,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) 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 11:10:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:17,144 INFO L225 Difference]: With dead ends: 612 [2022-11-16 11:10:17,144 INFO L226 Difference]: Without dead ends: 612 [2022-11-16 11:10:17,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:10:17,146 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:17,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 5 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:17,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2022-11-16 11:10:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2022-11-16 11:10:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 3.076923076923077) internal successors, (1880), 611 states have internal predecessors, (1880), 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 11:10:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1880 transitions. [2022-11-16 11:10:17,173 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1880 transitions. Word has length 11 [2022-11-16 11:10:17,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:17,173 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 1880 transitions. [2022-11-16 11:10:17,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) 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 11:10:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1880 transitions. [2022-11-16 11:10:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:10:17,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:17,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:17,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:10:17,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:17,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:17,180 INFO L85 PathProgramCache]: Analyzing trace with hash -634502141, now seen corresponding path program 1 times [2022-11-16 11:10:17,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:17,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415517244] [2022-11-16 11:10:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:17,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:17,382 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 11:10:17,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:17,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415517244] [2022-11-16 11:10:17,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415517244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:17,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:17,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:10:17,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365502096] [2022-11-16 11:10:17,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:17,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:10:17,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:10:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:10:17,387 INFO L87 Difference]: Start difference. First operand 612 states and 1880 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 11:10:17,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:17,539 INFO L93 Difference]: Finished difference Result 554 states and 1493 transitions. [2022-11-16 11:10:17,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:17,540 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 11:10:17,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:17,542 INFO L225 Difference]: With dead ends: 554 [2022-11-16 11:10:17,543 INFO L226 Difference]: Without dead ends: 404 [2022-11-16 11:10:17,543 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 11:10:17,546 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 37 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:17,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 15 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:17,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-11-16 11:10:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2022-11-16 11:10:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.600496277915633) internal successors, (1048), 403 states have internal predecessors, (1048), 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 11:10:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 1048 transitions. [2022-11-16 11:10:17,565 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 1048 transitions. Word has length 11 [2022-11-16 11:10:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:17,565 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 1048 transitions. [2022-11-16 11:10:17,565 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 11:10:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1048 transitions. [2022-11-16 11:10:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:10:17,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:17,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:17,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:10:17,568 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:17,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:17,568 INFO L85 PathProgramCache]: Analyzing trace with hash -577608029, now seen corresponding path program 1 times [2022-11-16 11:10:17,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:17,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140710672] [2022-11-16 11:10:17,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:17,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:17,827 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 11:10:17,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:17,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140710672] [2022-11-16 11:10:17,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140710672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:17,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:17,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:10:17,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796557370] [2022-11-16 11:10:17,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:17,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:10:17,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:17,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:10:17,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:17,829 INFO L87 Difference]: Start difference. First operand 404 states and 1048 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 11:10:18,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:18,014 INFO L93 Difference]: Finished difference Result 322 states and 773 transitions. [2022-11-16 11:10:18,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:10:18,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-11-16 11:10:18,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:18,016 INFO L225 Difference]: With dead ends: 322 [2022-11-16 11:10:18,017 INFO L226 Difference]: Without dead ends: 252 [2022-11-16 11:10:18,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:18,017 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 62 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:18,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 21 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:10:18,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-11-16 11:10:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2022-11-16 11:10:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 2.358565737051793) internal successors, (592), 251 states have internal predecessors, (592), 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 11:10:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 592 transitions. [2022-11-16 11:10:18,026 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 592 transitions. Word has length 14 [2022-11-16 11:10:18,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:18,026 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 592 transitions. [2022-11-16 11:10:18,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 11:10:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 592 transitions. [2022-11-16 11:10:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 11:10:18,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:18,027 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 11:10:18,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:10:18,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:18,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:18,028 INFO L85 PathProgramCache]: Analyzing trace with hash 775611686, now seen corresponding path program 1 times [2022-11-16 11:10:18,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:18,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688854940] [2022-11-16 11:10:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:18,754 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 11:10:18,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:18,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688854940] [2022-11-16 11:10:18,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688854940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:18,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:18,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:10:18,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122566598] [2022-11-16 11:10:18,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:18,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:10:18,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:18,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:10:18,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:18,757 INFO L87 Difference]: Start difference. First operand 252 states and 592 transitions. Second operand has 6 states, 5 states have (on average 3.6) 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 11:10:19,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:19,038 INFO L93 Difference]: Finished difference Result 397 states and 890 transitions. [2022-11-16 11:10:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:10:19,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) 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 11:10:19,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:19,040 INFO L225 Difference]: With dead ends: 397 [2022-11-16 11:10:19,040 INFO L226 Difference]: Without dead ends: 334 [2022-11-16 11:10:19,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:10:19,041 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 49 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:19,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 27 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:10:19,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-16 11:10:19,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 295. [2022-11-16 11:10:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 2.312925170068027) internal successors, (680), 294 states have internal predecessors, (680), 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 11:10:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 680 transitions. [2022-11-16 11:10:19,052 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 680 transitions. Word has length 18 [2022-11-16 11:10:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:19,053 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 680 transitions. [2022-11-16 11:10:19,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) 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 11:10:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 680 transitions. [2022-11-16 11:10:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 11:10:19,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:19,054 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 11:10:19,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:10:19,055 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:19,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash 233836864, now seen corresponding path program 2 times [2022-11-16 11:10:19,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:19,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464079853] [2022-11-16 11:10:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:19,359 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 11:10:19,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:19,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464079853] [2022-11-16 11:10:19,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464079853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:19,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:19,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:10:19,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045899059] [2022-11-16 11:10:19,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:19,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:10:19,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:19,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:10:19,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:19,367 INFO L87 Difference]: Start difference. First operand 295 states and 680 transitions. Second operand has 6 states, 6 states have (on average 3.0) 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 11:10:19,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:19,524 INFO L93 Difference]: Finished difference Result 272 states and 629 transitions. [2022-11-16 11:10:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:10:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) 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 11:10:19,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:19,526 INFO L225 Difference]: With dead ends: 272 [2022-11-16 11:10:19,526 INFO L226 Difference]: Without dead ends: 235 [2022-11-16 11:10:19,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:10:19,527 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 84 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:19,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 21 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:19,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-11-16 11:10:19,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2022-11-16 11:10:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 2.358974358974359) internal successors, (552), 234 states have internal predecessors, (552), 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 11:10:19,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 552 transitions. [2022-11-16 11:10:19,537 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 552 transitions. Word has length 18 [2022-11-16 11:10:19,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:19,537 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 552 transitions. [2022-11-16 11:10:19,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) 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 11:10:19,538 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 552 transitions. [2022-11-16 11:10:19,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:10:19,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:19,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:19,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:10:19,539 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:19,540 INFO L85 PathProgramCache]: Analyzing trace with hash -221646228, now seen corresponding path program 1 times [2022-11-16 11:10:19,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:19,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674917813] [2022-11-16 11:10:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:19,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:20,447 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 11:10:20,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:20,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674917813] [2022-11-16 11:10:20,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674917813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:20,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:20,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:10:20,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696434670] [2022-11-16 11:10:20,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:20,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:10:20,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:20,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:10:20,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:10:20,449 INFO L87 Difference]: Start difference. First operand 235 states and 552 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 11:10:20,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:20,688 INFO L93 Difference]: Finished difference Result 249 states and 574 transitions. [2022-11-16 11:10:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:10:20,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2022-11-16 11:10:20,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:20,689 INFO L225 Difference]: With dead ends: 249 [2022-11-16 11:10:20,689 INFO L226 Difference]: Without dead ends: 181 [2022-11-16 11:10:20,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:10:20,690 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 47 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:20,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 23 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:10:20,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-16 11:10:20,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 161. [2022-11-16 11:10:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 2.3125) internal successors, (370), 160 states have internal predecessors, (370), 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 11:10:20,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 370 transitions. [2022-11-16 11:10:20,696 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 370 transitions. Word has length 22 [2022-11-16 11:10:20,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:20,697 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 370 transitions. [2022-11-16 11:10:20,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 11:10:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 370 transitions. [2022-11-16 11:10:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:10:20,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:20,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:10:20,698 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:20,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1741896902, now seen corresponding path program 2 times [2022-11-16 11:10:20,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:20,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478805402] [2022-11-16 11:10:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:20,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:20,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:10:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:20,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:10:20,872 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:10:20,873 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (12 of 13 remaining) [2022-11-16 11:10:20,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 13 remaining) [2022-11-16 11:10:20,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining) [2022-11-16 11:10:20,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining) [2022-11-16 11:10:20,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining) [2022-11-16 11:10:20,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining) [2022-11-16 11:10:20,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 13 remaining) [2022-11-16 11:10:20,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 13 remaining) [2022-11-16 11:10:20,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (4 of 13 remaining) [2022-11-16 11:10:20,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-11-16 11:10:20,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-11-16 11:10:20,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2022-11-16 11:10:20,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining) [2022-11-16 11:10:20,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:10:20,880 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:20,886 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:10:20,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:10:20,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:10:20 BasicIcfg [2022-11-16 11:10:20,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:10:20,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:10:20,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:10:20,955 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:10:20,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:08" (3/4) ... [2022-11-16 11:10:20,958 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:10:20,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:10:20,959 INFO L158 Benchmark]: Toolchain (without parser) took 14769.91ms. Allocated memory was 132.1MB in the beginning and 249.6MB in the end (delta: 117.4MB). Free memory was 95.1MB in the beginning and 187.5MB in the end (delta: -92.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-11-16 11:10:20,959 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:20,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.84ms. Allocated memory is still 132.1MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:10:20,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.25ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:10:20,960 INFO L158 Benchmark]: Boogie Preprocessor took 52.94ms. Allocated memory is still 132.1MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:10:20,960 INFO L158 Benchmark]: RCFGBuilder took 997.04ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 54.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-16 11:10:20,961 INFO L158 Benchmark]: TraceAbstraction took 12797.64ms. Allocated memory was 132.1MB in the beginning and 249.6MB in the end (delta: 117.4MB). Free memory was 54.3MB in the beginning and 188.6MB in the end (delta: -134.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:20,961 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 249.6MB. Free memory was 188.6MB in the beginning and 187.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:20,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.84ms. Allocated memory is still 132.1MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.25ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.94ms. Allocated memory is still 132.1MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 997.04ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 54.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12797.64ms. Allocated memory was 132.1MB in the beginning and 249.6MB in the end (delta: 117.4MB). Free memory was 54.3MB in the beginning and 188.6MB in the end (delta: -134.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 249.6MB. Free memory was 188.6MB in the beginning and 187.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 136 PlacesBefore, 45 PlacesAfterwards, 128 TransitionsBefore, 36 TransitionsAfterwards, 2422 CoEnabledTransitionPairs, 7 FixpointIterations, 50 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 122 TotalNumberOfCompositions, 6891 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3681, independent: 3483, independent conditional: 0, independent unconditional: 3483, dependent: 198, dependent conditional: 0, dependent unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1693, independent: 1645, independent conditional: 0, independent unconditional: 1645, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1693, independent: 1624, independent conditional: 0, independent unconditional: 1624, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 542, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 497, dependent conditional: 0, dependent unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3681, independent: 1838, independent conditional: 0, independent unconditional: 1838, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 1693, unknown conditional: 0, unknown unconditional: 1693] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 195, Positive conditional cache size: 0, Positive unconditional cache size: 195, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L717] 0 int __unbuffered_p2_EBX = 0; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool weak$$choice0; [L740] 0 int z$w_buff1; [L743] 0 _Bool weak$$choice2; [L711] 0 int __unbuffered_p0_EAX = 0; [L726] 0 _Bool z$flush_delayed; [L738] 0 int z$w_buff0; [L729] 0 _Bool z$r_buff0_thd1; [L730] 0 _Bool z$r_buff0_thd2; [L713] 0 int __unbuffered_p1_EAX = 0; [L728] 0 _Bool z$r_buff0_thd0; [L731] 0 _Bool z$r_buff0_thd3; [L727] 0 int z$mem_tmp; [L736] 0 _Bool z$read_delayed; [L715] 0 int __unbuffered_p2_EAX = 0; [L737] 0 int *z$read_delayed_var; [L741] 0 _Bool z$w_buff1_used; [L709] 0 int __unbuffered_cnt = 0; [L719] 0 _Bool main$tmp_guard1; [L718] 0 _Bool main$tmp_guard0; [L739] 0 _Bool z$w_buff0_used; [L721] 0 int x = 0; [L723] 0 int y = 0; [L725] 0 int z = 0; [L840] 0 pthread_t t409; [L841] FCALL, FORK 0 pthread_create(&t409, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t409, ((void *)0), P0, ((void *)0))=-3, t409={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t410; [L747] 1 z$w_buff1 = z$w_buff0 [L748] 1 z$w_buff0 = 1 [L749] 1 z$w_buff1_used = z$w_buff0_used [L750] 1 z$w_buff0_used = (_Bool)1 [L751] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L751] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L752] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L753] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L754] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L755] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L756] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L843] FCALL, FORK 0 pthread_create(&t410, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t410, ((void *)0), P1, ((void *)0))=-2, t409={5:0}, t410={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L783] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L784] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L785] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L786] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L844] 0 pthread_t t411; [L845] FCALL, FORK 0 pthread_create(&t411, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t411, ((void *)0), P2, ((void *)0))=-1, t409={5:0}, t410={6:0}, t411={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L796] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L802] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L803] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L804] 3 z$flush_delayed = weak$$choice2 [L805] 3 z$mem_tmp = z [L806] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L807] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L808] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L809] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L810] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L812] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 __unbuffered_p2_EBX = z [L814] 3 z = z$flush_delayed ? z$mem_tmp : z [L815] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L819] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L820] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L821] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L822] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L763] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L764] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L765] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L766] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L825] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L827] 3 return 0; [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L847] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L849] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L849] RET 0 assume_abort_if_not(main$tmp_guard0) [L851] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L852] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L853] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L854] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L855] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t409={5:0}, t410={6:0}, t411={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L860] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 360 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 915 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 54 mSDtfsCounter, 915 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1288occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 343 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:10:20,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b --- 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 11:10:23,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:10:23,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:10:23,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:10:23,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:10:23,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:10:23,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:10:23,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:10:23,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:10:23,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:10:23,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:10:23,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:10:23,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:10:23,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:10:23,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:10:23,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:10:23,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:10:23,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:10:23,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:10:23,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:10:23,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:10:23,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:10:23,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:10:23,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:10:23,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:10:23,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:10:23,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:10:23,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:10:23,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:10:23,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:10:23,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:10:23,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:10:23,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:10:23,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:10:23,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:10:23,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:10:23,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:10:23,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:10:23,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:10:23,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:10:23,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:10:23,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-16 11:10:23,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:10:23,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:10:23,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:10:23,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:10:23,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:10:23,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:10:23,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:10:23,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:10:23,518 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:10:23,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:10:23,519 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:10:23,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:10:23,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:10:23,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:10:23,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:10:23,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:10:23,520 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:10:23,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:10:23,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:10:23,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:10:23,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:10:23,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:10:23,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:10:23,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:10:23,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:10:23,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:10:23,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:10:23,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:10:23,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:10:23,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:10:23,524 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:10:23,524 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:10:23,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:10:23,525 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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 -> 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b [2022-11-16 11:10:23,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:10:23,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:10:23,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:10:23,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:10:23,898 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:10:23,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix016.oepc.i [2022-11-16 11:10:23,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/c07b51b19/ea04345051a3433aa28bf5485fa3919b/FLAGe0a4cc771 [2022-11-16 11:10:24,686 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:10:24,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/sv-benchmarks/c/pthread-wmm/mix016.oepc.i [2022-11-16 11:10:24,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/c07b51b19/ea04345051a3433aa28bf5485fa3919b/FLAGe0a4cc771 [2022-11-16 11:10:24,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/data/c07b51b19/ea04345051a3433aa28bf5485fa3919b [2022-11-16 11:10:24,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:10:24,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:10:24,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:24,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:10:24,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:10:24,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:24" (1/1) ... [2022-11-16 11:10:24,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c6864b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:24, skipping insertion in model container [2022-11-16 11:10:24,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:24" (1/1) ... [2022-11-16 11:10:24,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:10:24,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:10:25,219 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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/sv-benchmarks/c/pthread-wmm/mix016.oepc.i[945,958] [2022-11-16 11:10:25,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:25,472 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:10:25,487 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_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/sv-benchmarks/c/pthread-wmm/mix016.oepc.i[945,958] [2022-11-16 11:10:25,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:25,599 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:10:25,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25 WrapperNode [2022-11-16 11:10:25,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:25,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:25,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:10:25,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:10:25,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,680 INFO L138 Inliner]: procedures = 179, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2022-11-16 11:10:25,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:25,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:10:25,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:10:25,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:10:25,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,722 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:10:25,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:10:25,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:10:25,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:10:25,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (1/1) ... [2022-11-16 11:10:25,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:10:25,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:25,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:25,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:10:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:10:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:10:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:10:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:10:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:10:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:10:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:10:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:10:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:10:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:10:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 11:10:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 11:10:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:10:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:10:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:10:25,824 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 11:10:26,035 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:10:26,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:10:26,577 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:10:26,748 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:10:26,748 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:10:26,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:26 BoogieIcfgContainer [2022-11-16 11:10:26,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:10:26,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:10:26,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:10:26,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:10:26,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:10:24" (1/3) ... [2022-11-16 11:10:26,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7020723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:26, skipping insertion in model container [2022-11-16 11:10:26,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:25" (2/3) ... [2022-11-16 11:10:26,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7020723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:26, skipping insertion in model container [2022-11-16 11:10:26,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:26" (3/3) ... [2022-11-16 11:10:26,767 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016.oepc.i [2022-11-16 11:10:26,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:10:26,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-16 11:10:26,794 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:10:26,878 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:10:26,918 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 11:10:26,941 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 129 transitions, 273 flow [2022-11-16 11:10:26,944 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 129 transitions, 273 flow [2022-11-16 11:10:26,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 129 transitions, 273 flow [2022-11-16 11:10:27,017 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-11-16 11:10:27,018 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:10:27,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-11-16 11:10:27,035 INFO L119 LiptonReduction]: Number of co-enabled transitions 2422 [2022-11-16 11:10:37,304 INFO L134 LiptonReduction]: Checked pairs total: 6719 [2022-11-16 11:10:37,305 INFO L136 LiptonReduction]: Total number of compositions: 120 [2022-11-16 11:10:37,316 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 34 transitions, 83 flow [2022-11-16 11:10:37,462 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1108 states, 1093 states have (on average 3.1948764867337602) internal successors, (3492), 1107 states have internal predecessors, (3492), 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 11:10:37,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:10:37,499 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;@6da4baf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:10:37,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-16 11:10:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 1108 states, 1093 states have (on average 3.1948764867337602) internal successors, (3492), 1107 states have internal predecessors, (3492), 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 11:10:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 11:10:37,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:37,513 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 11:10:37,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:37,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash 546, now seen corresponding path program 1 times [2022-11-16 11:10:37,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:37,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737218033] [2022-11-16 11:10:37,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:37,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:37,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:37,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:10:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:37,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:10:37,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:37,662 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 11:10:37,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:37,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:37,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737218033] [2022-11-16 11:10:37,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737218033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:37,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:37,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 11:10:37,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376171353] [2022-11-16 11:10:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:37,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:10:37,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:37,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:10:37,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:10:37,710 INFO L87 Difference]: Start difference. First operand has 1108 states, 1093 states have (on average 3.1948764867337602) internal successors, (3492), 1107 states have internal predecessors, (3492), 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 11:10:37,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:37,967 INFO L93 Difference]: Finished difference Result 1034 states and 3310 transitions. [2022-11-16 11:10:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:10:37,982 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 11:10:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:38,046 INFO L225 Difference]: With dead ends: 1034 [2022-11-16 11:10:38,049 INFO L226 Difference]: Without dead ends: 1034 [2022-11-16 11:10:38,050 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 11:10:38,054 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:38,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:38,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2022-11-16 11:10:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2022-11-16 11:10:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1029 states have (on average 3.2167152575315843) internal successors, (3310), 1033 states have internal predecessors, (3310), 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 11:10:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 3310 transitions. [2022-11-16 11:10:38,279 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 3310 transitions. Word has length 1 [2022-11-16 11:10:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:38,279 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 3310 transitions. [2022-11-16 11:10:38,280 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 11:10:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 3310 transitions. [2022-11-16 11:10:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 11:10:38,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:38,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-16 11:10:38,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:38,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:38,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:38,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:38,499 INFO L85 PathProgramCache]: Analyzing trace with hash 538349, now seen corresponding path program 1 times [2022-11-16 11:10:38,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:38,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304919775] [2022-11-16 11:10:38,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:38,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:38,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:38,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:38,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:10:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:38,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:10:38,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:38,679 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 11:10:38,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:38,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:38,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304919775] [2022-11-16 11:10:38,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304919775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:38,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:38,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:10:38,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139180501] [2022-11-16 11:10:38,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:38,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:38,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:38,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:38,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:38,695 INFO L87 Difference]: Start difference. First operand 1034 states and 3310 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 11:10:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:38,860 INFO L93 Difference]: Finished difference Result 842 states and 2654 transitions. [2022-11-16 11:10:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:38,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-16 11:10:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:38,869 INFO L225 Difference]: With dead ends: 842 [2022-11-16 11:10:38,869 INFO L226 Difference]: Without dead ends: 812 [2022-11-16 11:10:38,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:38,871 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:38,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-11-16 11:10:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2022-11-16 11:10:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 810 states have (on average 3.1790123456790123) internal successors, (2575), 811 states have internal predecessors, (2575), 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 11:10:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 2575 transitions. [2022-11-16 11:10:38,940 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 2575 transitions. Word has length 3 [2022-11-16 11:10:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:38,941 INFO L495 AbstractCegarLoop]: Abstraction has 812 states and 2575 transitions. [2022-11-16 11:10:38,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 11:10:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2575 transitions. [2022-11-16 11:10:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:10:38,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:38,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:38,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:39,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:39,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:39,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:39,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1040516145, now seen corresponding path program 1 times [2022-11-16 11:10:39,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:39,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125132473] [2022-11-16 11:10:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:39,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:39,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:39,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:10:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:39,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:10:39,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:39,380 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 11:10:39,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:39,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:39,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125132473] [2022-11-16 11:10:39,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125132473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:39,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:39,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:10:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022486759] [2022-11-16 11:10:39,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:39,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:10:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:39,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:10:39,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:10:39,384 INFO L87 Difference]: Start difference. First operand 812 states and 2575 transitions. Second operand has 4 states, 4 states have (on average 2.25) 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 11:10:39,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:39,558 INFO L93 Difference]: Finished difference Result 642 states and 1740 transitions. [2022-11-16 11:10:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:10:39,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) 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 11:10:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:39,563 INFO L225 Difference]: With dead ends: 642 [2022-11-16 11:10:39,563 INFO L226 Difference]: Without dead ends: 492 [2022-11-16 11:10:39,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 11:10:39,565 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 46 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:39,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 9 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:10:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-11-16 11:10:39,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2022-11-16 11:10:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 490 states have (on average 2.642857142857143) internal successors, (1295), 491 states have internal predecessors, (1295), 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 11:10:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 1295 transitions. [2022-11-16 11:10:39,588 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 1295 transitions. Word has length 9 [2022-11-16 11:10:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:39,589 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 1295 transitions. [2022-11-16 11:10:39,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) 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 11:10:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1295 transitions. [2022-11-16 11:10:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:10:39,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:39,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:39,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:39,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:39,809 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:39,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2113586390, now seen corresponding path program 1 times [2022-11-16 11:10:39,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:39,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260267973] [2022-11-16 11:10:39,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:39,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:39,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:39,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:39,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:10:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:39,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:10:39,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:40,023 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 11:10:40,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:40,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:40,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260267973] [2022-11-16 11:10:40,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260267973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:40,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:40,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:10:40,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931934945] [2022-11-16 11:10:40,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:40,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:10:40,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:40,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:10:40,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:40,027 INFO L87 Difference]: Start difference. First operand 492 states and 1295 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 11:10:40,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:40,260 INFO L93 Difference]: Finished difference Result 338 states and 804 transitions. [2022-11-16 11:10:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:40,261 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 11:10:40,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:40,263 INFO L225 Difference]: With dead ends: 338 [2022-11-16 11:10:40,263 INFO L226 Difference]: Without dead ends: 268 [2022-11-16 11:10:40,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:10:40,265 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 72 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:40,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 15 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:10:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-16 11:10:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2022-11-16 11:10:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 266 states have (on average 2.3421052631578947) internal successors, (623), 267 states have internal predecessors, (623), 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 11:10:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 623 transitions. [2022-11-16 11:10:40,277 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 623 transitions. Word has length 13 [2022-11-16 11:10:40,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:40,278 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 623 transitions. [2022-11-16 11:10:40,278 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 11:10:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 623 transitions. [2022-11-16 11:10:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:10:40,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:40,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:40,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:40,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:40,502 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash 709581980, now seen corresponding path program 1 times [2022-11-16 11:10:40,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:40,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706817208] [2022-11-16 11:10:40,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:40,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:40,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:40,511 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:40,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 11:10:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:40,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:10:40,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:40,761 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 11:10:40,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:40,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:40,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706817208] [2022-11-16 11:10:40,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706817208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:40,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:40,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:10:40,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285420998] [2022-11-16 11:10:40,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:40,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:10:40,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:40,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:10:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:40,765 INFO L87 Difference]: Start difference. First operand 268 states and 623 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 11:10:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:41,078 INFO L93 Difference]: Finished difference Result 230 states and 545 transitions. [2022-11-16 11:10:41,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:10:41,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2022-11-16 11:10:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:41,080 INFO L225 Difference]: With dead ends: 230 [2022-11-16 11:10:41,081 INFO L226 Difference]: Without dead ends: 216 [2022-11-16 11:10:41,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:10:41,082 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 81 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:41,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 27 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:10:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-16 11:10:41,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-16 11:10:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 214 states have (on average 2.425233644859813) internal successors, (519), 215 states have internal predecessors, (519), 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 11:10:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 519 transitions. [2022-11-16 11:10:41,097 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 519 transitions. Word has length 17 [2022-11-16 11:10:41,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:41,098 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 519 transitions. [2022-11-16 11:10:41,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 11:10:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 519 transitions. [2022-11-16 11:10:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:10:41,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:41,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:41,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:41,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:41,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:41,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:41,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1921562533, now seen corresponding path program 1 times [2022-11-16 11:10:41,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:41,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326648355] [2022-11-16 11:10:41,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:41,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:41,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:41,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:41,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 11:10:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:10:41,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:42,057 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 11:10:42,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:42,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:42,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326648355] [2022-11-16 11:10:42,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326648355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:42,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:42,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:10:42,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968857359] [2022-11-16 11:10:42,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:42,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:10:42,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:42,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:10:42,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:42,060 INFO L87 Difference]: Start difference. First operand 216 states and 519 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:10:42,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:42,167 INFO L93 Difference]: Finished difference Result 358 states and 859 transitions. [2022-11-16 11:10:42,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:42,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2022-11-16 11:10:42,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:42,171 INFO L225 Difference]: With dead ends: 358 [2022-11-16 11:10:42,171 INFO L226 Difference]: Without dead ends: 358 [2022-11-16 11:10:42,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:42,172 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:42,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 19 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 28 Unchecked, 0.1s Time] [2022-11-16 11:10:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-16 11:10:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 288. [2022-11-16 11:10:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 286 states have (on average 2.3531468531468533) internal successors, (673), 287 states have internal predecessors, (673), 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 11:10:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 673 transitions. [2022-11-16 11:10:42,185 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 673 transitions. Word has length 22 [2022-11-16 11:10:42,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:42,185 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 673 transitions. [2022-11-16 11:10:42,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:10:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 673 transitions. [2022-11-16 11:10:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:10:42,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:42,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:42,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:42,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:42,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:42,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1921562530, now seen corresponding path program 1 times [2022-11-16 11:10:42,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:42,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215367098] [2022-11-16 11:10:42,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:42,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:42,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:42,404 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:42,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-16 11:10:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:42,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:10:42,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:42,955 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 11:10:42,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:42,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:42,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215367098] [2022-11-16 11:10:42,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215367098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:42,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:42,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:10:42,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65799693] [2022-11-16 11:10:42,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:42,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:10:42,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:42,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:10:42,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:10:42,959 INFO L87 Difference]: Start difference. First operand 288 states and 673 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 11:10:43,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:43,285 INFO L93 Difference]: Finished difference Result 321 states and 734 transitions. [2022-11-16 11:10:43,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:10:43,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2022-11-16 11:10:43,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:43,287 INFO L225 Difference]: With dead ends: 321 [2022-11-16 11:10:43,287 INFO L226 Difference]: Without dead ends: 235 [2022-11-16 11:10:43,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:10:43,288 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 55 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:43,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 25 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:10:43,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-11-16 11:10:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 234. [2022-11-16 11:10:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 232 states have (on average 2.3491379310344827) internal successors, (545), 233 states have internal predecessors, (545), 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 11:10:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 545 transitions. [2022-11-16 11:10:43,296 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 545 transitions. Word has length 22 [2022-11-16 11:10:43,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:43,296 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 545 transitions. [2022-11-16 11:10:43,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 11:10:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 545 transitions. [2022-11-16 11:10:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:10:43,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:43,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:43,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:43,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:43,509 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:43,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1626006043, now seen corresponding path program 2 times [2022-11-16 11:10:43,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:43,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974508407] [2022-11-16 11:10:43,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:10:43,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:43,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:43,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:43,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-16 11:10:43,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 11:10:43,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:10:43,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:10:43,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:44,137 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 11:10:44,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:44,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:44,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974508407] [2022-11-16 11:10:44,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974508407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:44,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:44,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:10:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518165924] [2022-11-16 11:10:44,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:44,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:10:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:10:44,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:44,139 INFO L87 Difference]: Start difference. First operand 234 states and 545 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:10:44,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:44,227 INFO L93 Difference]: Finished difference Result 408 states and 946 transitions. [2022-11-16 11:10:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:44,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2022-11-16 11:10:44,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:44,230 INFO L225 Difference]: With dead ends: 408 [2022-11-16 11:10:44,231 INFO L226 Difference]: Without dead ends: 336 [2022-11-16 11:10:44,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:44,232 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:44,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 24 Unchecked, 0.1s Time] [2022-11-16 11:10:44,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-11-16 11:10:44,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2022-11-16 11:10:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 334 states have (on average 2.31437125748503) internal successors, (773), 335 states have internal predecessors, (773), 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 11:10:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 773 transitions. [2022-11-16 11:10:44,247 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 773 transitions. Word has length 22 [2022-11-16 11:10:44,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:44,248 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 773 transitions. [2022-11-16 11:10:44,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 11:10:44,248 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 773 transitions. [2022-11-16 11:10:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:10:44,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:44,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:44,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:44,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:44,466 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-11-16 11:10:44,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:44,467 INFO L85 PathProgramCache]: Analyzing trace with hash -539816014, now seen corresponding path program 2 times [2022-11-16 11:10:44,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:44,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691637784] [2022-11-16 11:10:44,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:10:44,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:44,470 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:44,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-16 11:10:44,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 11:10:44,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-16 11:10:44,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:10:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:44,907 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 11:10:44,911 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:10:44,912 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (12 of 13 remaining) [2022-11-16 11:10:44,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 13 remaining) [2022-11-16 11:10:44,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining) [2022-11-16 11:10:44,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining) [2022-11-16 11:10:44,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining) [2022-11-16 11:10:44,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining) [2022-11-16 11:10:44,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 13 remaining) [2022-11-16 11:10:44,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 13 remaining) [2022-11-16 11:10:44,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (4 of 13 remaining) [2022-11-16 11:10:44,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-11-16 11:10:44,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-11-16 11:10:44,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2022-11-16 11:10:44,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining) [2022-11-16 11:10:44,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:45,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:45,137 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-11-16 11:10:45,143 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:10:45,143 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:10:45,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:10:45 BasicIcfg [2022-11-16 11:10:45,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:10:45,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:10:45,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:10:45,291 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:10:45,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:26" (3/4) ... [2022-11-16 11:10:45,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:10:45,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:10:45,297 INFO L158 Benchmark]: Toolchain (without parser) took 20378.20ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 54.1MB in the beginning and 75.6MB in the end (delta: -21.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-11-16 11:10:45,298 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:45,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.93ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 43.9MB in the end (delta: 10.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:10:45,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.43ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:10:45,299 INFO L158 Benchmark]: Boogie Preprocessor took 48.37ms. Allocated memory is still 73.4MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:10:45,300 INFO L158 Benchmark]: RCFGBuilder took 1020.80ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 39.3MB in the beginning and 68.7MB in the end (delta: -29.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-16 11:10:45,300 INFO L158 Benchmark]: TraceAbstraction took 18532.59ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 67.6MB in the beginning and 75.6MB in the end (delta: -8.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-16 11:10:45,301 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 144.7MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:45,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.93ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 43.9MB in the end (delta: 10.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.43ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.37ms. Allocated memory is still 73.4MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.80ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 39.3MB in the beginning and 68.7MB in the end (delta: -29.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 18532.59ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 67.6MB in the beginning and 75.6MB in the end (delta: -8.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 144.7MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4s, 137 PlacesBefore, 44 PlacesAfterwards, 129 TransitionsBefore, 34 TransitionsAfterwards, 2422 CoEnabledTransitionPairs, 7 FixpointIterations, 49 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 120 TotalNumberOfCompositions, 6719 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3501, independent: 3306, independent conditional: 0, independent unconditional: 3306, dependent: 195, dependent conditional: 0, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1696, independent: 1643, independent conditional: 0, independent unconditional: 1643, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1696, independent: 1635, independent conditional: 0, independent unconditional: 1635, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 590, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 565, dependent conditional: 0, dependent unconditional: 565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3501, independent: 1663, independent conditional: 0, independent unconditional: 1663, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 1696, unknown conditional: 0, unknown unconditional: 1696] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, 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 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L717] 0 int __unbuffered_p2_EBX = 0; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool weak$$choice0; [L740] 0 int z$w_buff1; [L743] 0 _Bool weak$$choice2; [L711] 0 int __unbuffered_p0_EAX = 0; [L726] 0 _Bool z$flush_delayed; [L738] 0 int z$w_buff0; [L729] 0 _Bool z$r_buff0_thd1; [L730] 0 _Bool z$r_buff0_thd2; [L713] 0 int __unbuffered_p1_EAX = 0; [L728] 0 _Bool z$r_buff0_thd0; [L731] 0 _Bool z$r_buff0_thd3; [L727] 0 int z$mem_tmp; [L736] 0 _Bool z$read_delayed; [L715] 0 int __unbuffered_p2_EAX = 0; [L737] 0 int *z$read_delayed_var; [L741] 0 _Bool z$w_buff1_used; [L709] 0 int __unbuffered_cnt = 0; [L719] 0 _Bool main$tmp_guard1; [L718] 0 _Bool main$tmp_guard0; [L739] 0 _Bool z$w_buff0_used; [L721] 0 int x = 0; [L723] 0 int y = 0; [L725] 0 int z = 0; [L840] 0 pthread_t t409; [L841] FCALL, FORK 0 pthread_create(&t409, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t409, ((void *)0), P0, ((void *)0))=-1, t409={-6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t410; [L747] 1 z$w_buff1 = z$w_buff0 [L748] 1 z$w_buff0 = 1 [L749] 1 z$w_buff1_used = z$w_buff0_used [L750] 1 z$w_buff0_used = (_Bool)1 [L751] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L751] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L752] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L753] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L754] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L755] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L756] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L843] FCALL, FORK 0 pthread_create(&t410, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t410, ((void *)0), P1, ((void *)0))=0, t409={-6:0}, t410={-10:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L844] 0 pthread_t t411; [L776] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L783] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L784] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L785] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L786] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L845] FCALL, FORK 0 pthread_create(&t411, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t411, ((void *)0), P2, ((void *)0))=1, t409={-6:0}, t410={-10:0}, t411={-2:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L796] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L802] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L803] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L804] 3 z$flush_delayed = weak$$choice2 [L805] 3 z$mem_tmp = z [L806] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L807] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L808] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L809] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L810] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L812] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 __unbuffered_p2_EBX = z [L814] 3 z = z$flush_delayed ? z$mem_tmp : z [L815] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L819] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L820] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L821] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L822] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L763] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L764] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L765] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L766] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L825] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L827] 3 return 0; [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L847] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L849] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L849] RET 0 assume_abort_if_not(main$tmp_guard0) [L851] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L852] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L853] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L854] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L855] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t409={-6:0}, t410={-10:0}, t411={-2:0}, weak$$choice0=2, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L860] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 157 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 18.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 285 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 285 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 52 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 562 IncrementalHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 44 mSDtfsCounter, 562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1108occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 71 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 101 ConstructedInterpolants, 29 QuantifiedInterpolants, 1708 SizeOfPredicates, 12 NumberOfNonLiveVariables, 984 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:10:45,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edfa6a1-4f7a-4a06-a81e-2b40b92b3502/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: UNKNOWN: Overapproximated counterexample