./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R --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 c983783f5358911c3fbbb6a10a3bc1f70631f1803357161b1c0bc876f490a9b5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:51:13,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:51:13,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:51:13,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:51:13,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:51:13,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:51:13,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:51:13,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:51:13,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:51:13,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:51:13,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:51:13,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:51:13,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:51:13,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:51:13,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:51:13,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:51:13,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:51:13,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:51:13,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:51:13,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:51:13,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:51:13,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:51:13,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:51:13,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:51:13,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:51:13,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:51:13,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:51:13,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:51:13,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:51:13,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:51:13,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:51:13,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:51:13,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:51:13,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:51:13,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:51:13,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:51:13,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:51:13,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:51:13,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:51:13,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:51:13,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:51:13,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-25 17:51:13,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:51:13,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:51:13,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:51:13,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:51:13,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:51:13,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:51:13,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:51:13,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:51:13,986 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:51:13,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:51:13,988 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:51:13,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:51:13,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:51:13,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:51:13,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:51:13,989 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:51:13,989 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:51:13,990 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:51:13,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:51:13,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:51:13,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:51:13,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:51:13,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:51:13,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:51:13,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:51:13,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:51:13,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:51:13,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:51:13,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:51:13,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:51:13,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:51:13,993 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:51:13,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:51:13,994 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c983783f5358911c3fbbb6a10a3bc1f70631f1803357161b1c0bc876f490a9b5 [2022-11-25 17:51:14,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:51:14,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:51:14,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:51:14,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:51:14,344 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:51:14,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i [2022-11-25 17:51:17,619 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:51:17,930 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:51:17,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i [2022-11-25 17:51:17,945 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/data/c8519ef68/d80b817e9a564305a7c38e975c53d44e/FLAG7d7b9d8da [2022-11-25 17:51:17,962 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/data/c8519ef68/d80b817e9a564305a7c38e975c53d44e [2022-11-25 17:51:17,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:51:17,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:51:17,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:51:17,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:51:17,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:51:17,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:17" (1/1) ... [2022-11-25 17:51:17,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fcb3932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:17, skipping insertion in model container [2022-11-25 17:51:17,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:51:17" (1/1) ... [2022-11-25 17:51:17,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:51:18,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:51:18,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2022-11-25 17:51:18,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:51:18,517 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:51:18,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2022-11-25 17:51:18,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:51:18,591 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:51:18,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18 WrapperNode [2022-11-25 17:51:18,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:51:18,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:51:18,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:51:18,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:51:18,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,640 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2022-11-25 17:51:18,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:51:18,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:51:18,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:51:18,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:51:18,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:51:18,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:51:18,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:51:18,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:51:18,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (1/1) ... [2022-11-25 17:51:18,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:51:18,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:51:18,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:51:18,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:51:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:51:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:51:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:51:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:51:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:51:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 17:51:18,763 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 17:51:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:51:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:51:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:51:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:51:18,767 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:51:19,000 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:51:19,003 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:51:19,261 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:51:19,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:51:19,276 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:51:19,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:19 BoogieIcfgContainer [2022-11-25 17:51:19,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:51:19,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:51:19,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:51:19,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:51:19,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:51:17" (1/3) ... [2022-11-25 17:51:19,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a50321c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:19, skipping insertion in model container [2022-11-25 17:51:19,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:51:18" (2/3) ... [2022-11-25 17:51:19,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a50321c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:19, skipping insertion in model container [2022-11-25 17:51:19,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:19" (3/3) ... [2022-11-25 17:51:19,290 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2022-11-25 17:51:19,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:51:19,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-25 17:51:19,315 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:51:19,378 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 17:51:19,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 186 flow [2022-11-25 17:51:19,475 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-11-25 17:51:19,476 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 17:51:19,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 88 events. 2/88 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2022-11-25 17:51:19,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 186 flow [2022-11-25 17:51:19,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 83 transitions, 172 flow [2022-11-25 17:51:19,518 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:51:19,536 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 83 transitions, 172 flow [2022-11-25 17:51:19,539 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 83 transitions, 172 flow [2022-11-25 17:51:19,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 172 flow [2022-11-25 17:51:19,563 INFO L130 PetriNetUnfolder]: 2/83 cut-off events. [2022-11-25 17:51:19,564 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 17:51:19,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 83 events. 2/83 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2022-11-25 17:51:19,566 INFO L119 LiptonReduction]: Number of co-enabled transitions 384 [2022-11-25 17:51:25,041 INFO L134 LiptonReduction]: Checked pairs total: 1361 [2022-11-25 17:51:25,041 INFO L136 LiptonReduction]: Total number of compositions: 90 [2022-11-25 17:51:25,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:51:25,068 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=PETRI_NET, 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;@3a6f9c57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:51:25,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-25 17:51:25,070 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 17:51:25,070 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:51:25,070 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:51:25,071 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 17:51:25,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2022-11-25 17:51:25,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:25,078 INFO L85 PathProgramCache]: Analyzing trace with hash 328, now seen corresponding path program 1 times [2022-11-25 17:51:25,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:25,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765112327] [2022-11-25 17:51:25,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:25,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:25,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765112327] [2022-11-25 17:51:25,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765112327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:25,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:25,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 17:51:25,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774135647] [2022-11-25 17:51:25,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:25,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:51:25,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:25,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:51:25,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:51:25,279 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 179 [2022-11-25 17:51:25,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 44 flow. Second operand has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:51:25,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 179 [2022-11-25 17:51:25,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:51:25,376 INFO L130 PetriNetUnfolder]: 28/71 cut-off events. [2022-11-25 17:51:25,376 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 17:51:25,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 71 events. 28/71 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 181 event pairs, 28 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 134. Up to 72 conditions per place. [2022-11-25 17:51:25,383 INFO L137 encePairwiseOnDemand]: 175/179 looper letters, 15 selfloop transitions, 0 changer transitions 0/15 dead transitions. [2022-11-25 17:51:25,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 66 flow [2022-11-25 17:51:25,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:51:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 17:51:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2022-11-25 17:51:25,402 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5167597765363129 [2022-11-25 17:51:25,403 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 185 transitions. [2022-11-25 17:51:25,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 185 transitions. [2022-11-25 17:51:25,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:51:25,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 185 transitions. [2022-11-25 17:51:25,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,427 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,429 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 44 flow. Second operand 2 states and 185 transitions. [2022-11-25 17:51:25,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 66 flow [2022-11-25 17:51:25,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 15 transitions, 62 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 17:51:25,445 INFO L231 Difference]: Finished difference. Result has 18 places, 15 transitions, 32 flow [2022-11-25 17:51:25,447 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=32, PETRI_PLACES=18, PETRI_TRANSITIONS=15} [2022-11-25 17:51:25,453 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -4 predicate places. [2022-11-25 17:51:25,453 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 15 transitions, 32 flow [2022-11-25 17:51:25,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,454 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:51:25,454 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-11-25 17:51:25,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:51:25,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2022-11-25 17:51:25,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:25,458 INFO L85 PathProgramCache]: Analyzing trace with hash 10133560, now seen corresponding path program 1 times [2022-11-25 17:51:25,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:25,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169031404] [2022-11-25 17:51:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:25,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:25,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:25,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169031404] [2022-11-25 17:51:25,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169031404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:25,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:25,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:51:25,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441544914] [2022-11-25 17:51:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:25,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:25,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:25,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:25,867 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 179 [2022-11-25 17:51:25,867 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 15 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,868 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:51:25,868 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 179 [2022-11-25 17:51:25,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:51:25,908 INFO L130 PetriNetUnfolder]: 21/56 cut-off events. [2022-11-25 17:51:25,909 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:51:25,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 56 events. 21/56 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 123 event pairs, 21 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 113. Up to 55 conditions per place. [2022-11-25 17:51:25,910 INFO L137 encePairwiseOnDemand]: 176/179 looper letters, 12 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2022-11-25 17:51:25,910 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 58 flow [2022-11-25 17:51:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:51:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2022-11-25 17:51:25,914 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46368715083798884 [2022-11-25 17:51:25,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 249 transitions. [2022-11-25 17:51:25,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 249 transitions. [2022-11-25 17:51:25,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:51:25,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 249 transitions. [2022-11-25 17:51:25,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,919 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,920 INFO L175 Difference]: Start difference. First operand has 18 places, 15 transitions, 32 flow. Second operand 3 states and 249 transitions. [2022-11-25 17:51:25,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 58 flow [2022-11-25 17:51:25,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 14 transitions, 58 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 17:51:25,921 INFO L231 Difference]: Finished difference. Result has 19 places, 14 transitions, 34 flow [2022-11-25 17:51:25,921 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=34, PETRI_PLACES=19, PETRI_TRANSITIONS=14} [2022-11-25 17:51:25,922 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -3 predicate places. [2022-11-25 17:51:25,923 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 14 transitions, 34 flow [2022-11-25 17:51:25,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:25,924 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:51:25,924 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-11-25 17:51:25,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:51:25,924 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2022-11-25 17:51:25,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:25,925 INFO L85 PathProgramCache]: Analyzing trace with hash 10133559, now seen corresponding path program 1 times [2022-11-25 17:51:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:25,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856049244] [2022-11-25 17:51:25,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:26,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:26,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856049244] [2022-11-25 17:51:26,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856049244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:26,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:26,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:51:26,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022367725] [2022-11-25 17:51:26,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:26,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:26,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:26,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:26,063 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 179 [2022-11-25 17:51:26,063 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 14 transitions, 34 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:51:26,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 179 [2022-11-25 17:51:26,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:51:26,110 INFO L130 PetriNetUnfolder]: 14/41 cut-off events. [2022-11-25 17:51:26,111 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:51:26,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 41 events. 14/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 14 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 85. Up to 40 conditions per place. [2022-11-25 17:51:26,112 INFO L137 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/13 dead transitions. [2022-11-25 17:51:26,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 13 transitions, 58 flow [2022-11-25 17:51:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:51:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2022-11-25 17:51:26,114 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4450651769087523 [2022-11-25 17:51:26,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions. [2022-11-25 17:51:26,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions. [2022-11-25 17:51:26,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:51:26,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions. [2022-11-25 17:51:26,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,119 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,119 INFO L175 Difference]: Start difference. First operand has 19 places, 14 transitions, 34 flow. Second operand 3 states and 239 transitions. [2022-11-25 17:51:26,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 13 transitions, 58 flow [2022-11-25 17:51:26,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 54 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 17:51:26,121 INFO L231 Difference]: Finished difference. Result has 18 places, 13 transitions, 32 flow [2022-11-25 17:51:26,121 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=32, PETRI_PLACES=18, PETRI_TRANSITIONS=13} [2022-11-25 17:51:26,122 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -4 predicate places. [2022-11-25 17:51:26,122 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 13 transitions, 32 flow [2022-11-25 17:51:26,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,123 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:51:26,123 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 17:51:26,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:51:26,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2022-11-25 17:51:26,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:26,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1147837311, now seen corresponding path program 1 times [2022-11-25 17:51:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:26,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835618875] [2022-11-25 17:51:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:26,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:26,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835618875] [2022-11-25 17:51:26,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835618875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:26,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:26,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:51:26,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289372350] [2022-11-25 17:51:26,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:26,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:26,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:26,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:26,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:26,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 179 [2022-11-25 17:51:26,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 13 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,234 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:51:26,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 179 [2022-11-25 17:51:26,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:51:26,289 INFO L130 PetriNetUnfolder]: 12/36 cut-off events. [2022-11-25 17:51:26,289 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:51:26,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 36 events. 12/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 8 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 75. Up to 27 conditions per place. [2022-11-25 17:51:26,290 INFO L137 encePairwiseOnDemand]: 176/179 looper letters, 12 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2022-11-25 17:51:26,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 62 flow [2022-11-25 17:51:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:51:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2022-11-25 17:51:26,292 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4748603351955307 [2022-11-25 17:51:26,293 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 255 transitions. [2022-11-25 17:51:26,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 255 transitions. [2022-11-25 17:51:26,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:51:26,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 255 transitions. [2022-11-25 17:51:26,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,298 INFO L175 Difference]: Start difference. First operand has 18 places, 13 transitions, 32 flow. Second operand 3 states and 255 transitions. [2022-11-25 17:51:26,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 62 flow [2022-11-25 17:51:26,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 14 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 17:51:26,299 INFO L231 Difference]: Finished difference. Result has 17 places, 12 transitions, 30 flow [2022-11-25 17:51:26,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=30, PETRI_PLACES=17, PETRI_TRANSITIONS=12} [2022-11-25 17:51:26,300 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -5 predicate places. [2022-11-25 17:51:26,301 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 12 transitions, 30 flow [2022-11-25 17:51:26,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,301 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:51:26,302 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:51:26,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:51:26,302 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2022-11-25 17:51:26,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1735544289, now seen corresponding path program 1 times [2022-11-25 17:51:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:26,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108731998] [2022-11-25 17:51:26,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:26,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:26,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:26,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108731998] [2022-11-25 17:51:26,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108731998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:26,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:26,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:51:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294050015] [2022-11-25 17:51:26,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:26,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:26,437 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 179 [2022-11-25 17:51:26,438 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 30 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,438 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:51:26,438 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 179 [2022-11-25 17:51:26,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:51:26,501 INFO L130 PetriNetUnfolder]: 6/29 cut-off events. [2022-11-25 17:51:26,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:51:26,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 29 events. 6/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 4 based on Foata normal form. 4/33 useless extension candidates. Maximal degree in co-relation 63. Up to 20 conditions per place. [2022-11-25 17:51:26,503 INFO L137 encePairwiseOnDemand]: 172/179 looper letters, 8 selfloop transitions, 7 changer transitions 0/15 dead transitions. [2022-11-25 17:51:26,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 15 transitions, 66 flow [2022-11-25 17:51:26,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:51:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2022-11-25 17:51:26,506 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45251396648044695 [2022-11-25 17:51:26,506 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2022-11-25 17:51:26,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2022-11-25 17:51:26,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:51:26,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2022-11-25 17:51:26,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,509 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,510 INFO L175 Difference]: Start difference. First operand has 17 places, 12 transitions, 30 flow. Second operand 3 states and 243 transitions. [2022-11-25 17:51:26,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 15 transitions, 66 flow [2022-11-25 17:51:26,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 15 transitions, 62 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 17:51:26,511 INFO L231 Difference]: Finished difference. Result has 18 places, 14 transitions, 55 flow [2022-11-25 17:51:26,511 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=18, PETRI_TRANSITIONS=14} [2022-11-25 17:51:26,515 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -4 predicate places. [2022-11-25 17:51:26,515 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 14 transitions, 55 flow [2022-11-25 17:51:26,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,516 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:51:26,516 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:51:26,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:51:26,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2022-11-25 17:51:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:51:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1740984405, now seen corresponding path program 2 times [2022-11-25 17:51:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:51:26,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860336697] [2022-11-25 17:51:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:51:26,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:51:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:51:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:51:26,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:51:26,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860336697] [2022-11-25 17:51:26,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860336697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:51:26,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:51:26,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:51:26,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366743580] [2022-11-25 17:51:26,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:51:26,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:51:26,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:51:26,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:51:26,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:51:26,829 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 179 [2022-11-25 17:51:26,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:51:26,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 179 [2022-11-25 17:51:26,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:51:26,866 INFO L130 PetriNetUnfolder]: 6/28 cut-off events. [2022-11-25 17:51:26,867 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-25 17:51:26,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 28 events. 6/28 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 5 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 89. Up to 28 conditions per place. [2022-11-25 17:51:26,867 INFO L137 encePairwiseOnDemand]: 177/179 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2022-11-25 17:51:26,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 79 flow [2022-11-25 17:51:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:51:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:51:26,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2022-11-25 17:51:26,869 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46368715083798884 [2022-11-25 17:51:26,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 249 transitions. [2022-11-25 17:51:26,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 249 transitions. [2022-11-25 17:51:26,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:51:26,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 249 transitions. [2022-11-25 17:51:26,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,873 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,873 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 55 flow. Second operand 3 states and 249 transitions. [2022-11-25 17:51:26,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 79 flow [2022-11-25 17:51:26,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 72 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 17:51:26,875 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-11-25 17:51:26,875 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2022-11-25 17:51:26,876 INFO L288 CegarLoopForPetriNet]: 22 programPoint places, -4 predicate places. [2022-11-25 17:51:26,876 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2022-11-25 17:51:26,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:51:26,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (8 of 9 remaining) [2022-11-25 17:51:26,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 9 remaining) [2022-11-25 17:51:26,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 9 remaining) [2022-11-25 17:51:26,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 9 remaining) [2022-11-25 17:51:26,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 9 remaining) [2022-11-25 17:51:26,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (3 of 9 remaining) [2022-11-25 17:51:26,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining) [2022-11-25 17:51:26,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 9 remaining) [2022-11-25 17:51:26,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 9 remaining) [2022-11-25 17:51:26,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:51:26,883 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-11-25 17:51:26,889 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 17:51:26,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:51:26,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:51:26 BasicIcfg [2022-11-25 17:51:26,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:51:26,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:51:26,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:51:26,895 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:51:26,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:19" (3/4) ... [2022-11-25 17:51:26,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:51:26,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-25 17:51:26,911 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-25 17:51:26,911 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:51:26,911 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:51:26,911 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:51:26,952 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:51:26,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:51:26,953 INFO L158 Benchmark]: Toolchain (without parser) took 8986.43ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 130.8MB in the beginning and 118.3MB in the end (delta: 12.5MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,953 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:51:26,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.55ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 111.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.94ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,955 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 176.2MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,955 INFO L158 Benchmark]: RCFGBuilder took 610.24ms. Allocated memory is still 176.2MB. Free memory was 107.6MB in the beginning and 93.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,956 INFO L158 Benchmark]: TraceAbstraction took 7612.17ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 93.0MB in the beginning and 120.4MB in the end (delta: -27.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,956 INFO L158 Benchmark]: Witness Printer took 58.09ms. Allocated memory is still 211.8MB. Free memory was 120.4MB in the beginning and 118.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:51:26,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.55ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 111.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.94ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 176.2MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.24ms. Allocated memory is still 176.2MB. Free memory was 107.6MB in the beginning and 93.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7612.17ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 93.0MB in the beginning and 120.4MB in the end (delta: -27.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 58.09ms. Allocated memory is still 211.8MB. Free memory was 120.4MB in the beginning and 118.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5s, 85 PlacesBefore, 22 PlacesAfterwards, 83 TransitionsBefore, 19 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 9 FixpointIterations, 52 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 1361 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 557, independent: 393, independent conditional: 0, independent unconditional: 393, dependent: 164, dependent conditional: 0, dependent unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 317, independent: 291, independent conditional: 0, independent unconditional: 291, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 317, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 557, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 317, unknown conditional: 0, unknown unconditional: 317] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 696]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 113 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 20 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=5, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 17:51:26,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e34d72-8313-4acc-9c97-d88f7c20d7e7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE