./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 795c382fbb0026f2f6f7212254176553809c7311a8058a10cea47f6b1b03373b --- 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-2329fc7 [2022-12-14 05:07:17,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:07:17,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:07:17,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:07:17,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:07:17,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:07:17,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:07:17,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:07:17,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:07:17,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:07:17,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:07:17,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:07:17,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:07:17,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:07:17,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:07:17,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:07:17,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:07:17,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:07:17,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:07:17,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:07:17,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:07:17,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:07:17,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:07:17,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:07:17,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:07:17,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:07:17,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:07:17,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:07:17,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:07:17,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:07:17,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:07:17,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:07:17,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:07:17,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:07:17,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:07:17,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:07:17,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:07:17,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:07:17,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:07:17,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:07:17,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:07:17,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 05:07:17,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:07:17,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:07:17,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:07:17,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:07:17,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:07:17,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:07:17,659 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:07:17,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:07:17,659 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:07:17,660 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:07:17,660 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:07:17,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:07:17,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:07:17,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:07:17,660 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:07:17,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:07:17,661 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:07:17,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:07:17,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:07:17,662 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:07:17,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:07:17,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:07:17,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:07:17,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:07:17,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:07:17,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:07:17,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:07:17,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:07:17,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 795c382fbb0026f2f6f7212254176553809c7311a8058a10cea47f6b1b03373b [2022-12-14 05:07:17,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:07:17,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:07:17,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:07:17,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:07:17,886 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:07:17,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2022-12-14 05:07:20,471 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:07:20,635 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:07:20,636 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2022-12-14 05:07:20,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/data/4c0a44ae8/7706d826717f41acb474f6c313a4c4f0/FLAG03fd4aab2 [2022-12-14 05:07:20,653 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/data/4c0a44ae8/7706d826717f41acb474f6c313a4c4f0 [2022-12-14 05:07:20,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:07:20,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:07:20,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:07:20,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:07:20,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:07:20,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608ee1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20, skipping insertion in model container [2022-12-14 05:07:20,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:07:20,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:07:20,836 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_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c[3034,3047] [2022-12-14 05:07:20,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:07:20,848 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:07:20,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c[3034,3047] [2022-12-14 05:07:20,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:07:20,884 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:07:20,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20 WrapperNode [2022-12-14 05:07:20,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:07:20,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:07:20,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:07:20,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:07:20,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,927 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 459 [2022-12-14 05:07:20,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:07:20,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:07:20,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:07:20,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:07:20,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:07:20,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:07:20,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:07:20,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:07:20,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (1/1) ... [2022-12-14 05:07:20,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:07:20,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:07:20,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:07:20,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:07:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:07:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:07:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:07:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:07:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 05:07:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 05:07:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 05:07:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 05:07:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 05:07:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 05:07:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:07:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:07:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:07:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:07:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:07:21,025 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 05:07:21,119 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:07:21,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:07:21,696 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:07:21,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:07:21,704 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 05:07:21,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:07:21 BoogieIcfgContainer [2022-12-14 05:07:21,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:07:21,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:07:21,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:07:21,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:07:21,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:07:20" (1/3) ... [2022-12-14 05:07:21,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428fcfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:07:21, skipping insertion in model container [2022-12-14 05:07:21,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:07:20" (2/3) ... [2022-12-14 05:07:21,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428fcfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:07:21, skipping insertion in model container [2022-12-14 05:07:21,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:07:21" (3/3) ... [2022-12-14 05:07:21,714 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2022-12-14 05:07:21,721 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 05:07:21,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:07:21,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-12-14 05:07:21,729 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 05:07:21,829 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-14 05:07:21,857 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:07:21,868 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 573 places, 596 transitions, 1216 flow [2022-12-14 05:07:21,870 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 573 places, 596 transitions, 1216 flow [2022-12-14 05:07:21,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 573 places, 596 transitions, 1216 flow [2022-12-14 05:07:22,018 INFO L130 PetriNetUnfolder]: 33/593 cut-off events. [2022-12-14 05:07:22,019 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-14 05:07:22,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 593 events. 33/593 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1312 event pairs, 0 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 426. Up to 2 conditions per place. [2022-12-14 05:07:22,050 INFO L119 LiptonReduction]: Number of co-enabled transitions 78486 [2022-12-14 05:07:36,693 INFO L134 LiptonReduction]: Checked pairs total: 277822 [2022-12-14 05:07:36,693 INFO L136 LiptonReduction]: Total number of compositions: 759 [2022-12-14 05:07:36,701 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 135 places, 131 transitions, 286 flow [2022-12-14 05:07:39,589 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 149608 states, 145985 states have (on average 3.91038120354831) internal successors, (570857), 149607 states have internal predecessors, (570857), 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) [2022-12-14 05:07:39,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:07:39,608 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@43730fa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:07:39,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2022-12-14 05:07:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 149608 states, 145985 states have (on average 3.91038120354831) internal successors, (570857), 149607 states have internal predecessors, (570857), 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) [2022-12-14 05:07:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 05:07:39,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:39,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 05:07:39,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:39,781 INFO L85 PathProgramCache]: Analyzing trace with hash 75406, now seen corresponding path program 1 times [2022-12-14 05:07:39,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:39,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494539953] [2022-12-14 05:07:39,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:39,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:39,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:07:39,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:39,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494539953] [2022-12-14 05:07:39,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494539953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:39,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:39,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:07:39,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188885553] [2022-12-14 05:07:39,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:39,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:07:39,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:07:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:07:40,127 INFO L87 Difference]: Start difference. First operand has 149608 states, 145985 states have (on average 3.91038120354831) internal successors, (570857), 149607 states have internal predecessors, (570857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 05:07:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:40,847 INFO L93 Difference]: Finished difference Result 46105 states and 174971 transitions. [2022-12-14 05:07:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:07:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-12-14 05:07:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:41,232 INFO L225 Difference]: With dead ends: 46105 [2022-12-14 05:07:41,232 INFO L226 Difference]: Without dead ends: 46102 [2022-12-14 05:07:41,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:07:41,236 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:41,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:07:41,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46102 states. [2022-12-14 05:07:42,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46102 to 46102. [2022-12-14 05:07:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46102 states, 46037 states have (on average 3.800551730130113) internal successors, (174966), 46101 states have internal predecessors, (174966), 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) [2022-12-14 05:07:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46102 states to 46102 states and 174966 transitions. [2022-12-14 05:07:42,855 INFO L78 Accepts]: Start accepts. Automaton has 46102 states and 174966 transitions. Word has length 2 [2022-12-14 05:07:42,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:42,855 INFO L495 AbstractCegarLoop]: Abstraction has 46102 states and 174966 transitions. [2022-12-14 05:07:42,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 05:07:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 46102 states and 174966 transitions. [2022-12-14 05:07:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 05:07:42,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:42,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:42,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:07:42,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:42,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:42,858 INFO L85 PathProgramCache]: Analyzing trace with hash 145641904, now seen corresponding path program 1 times [2022-12-14 05:07:42,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:42,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424739393] [2022-12-14 05:07:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:42,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:07:43,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:43,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424739393] [2022-12-14 05:07:43,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424739393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:43,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:43,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:07:43,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239751511] [2022-12-14 05:07:43,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:43,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:07:43,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:43,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:07:43,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:07:43,043 INFO L87 Difference]: Start difference. First operand 46102 states and 174966 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:07:43,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:43,506 INFO L93 Difference]: Finished difference Result 46105 states and 174969 transitions. [2022-12-14 05:07:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:07:43,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 05:07:43,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:43,718 INFO L225 Difference]: With dead ends: 46105 [2022-12-14 05:07:43,718 INFO L226 Difference]: Without dead ends: 46105 [2022-12-14 05:07:43,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:07:43,719 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:43,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:07:43,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46105 states. [2022-12-14 05:07:44,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46105 to 46105. [2022-12-14 05:07:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46105 states, 46040 states have (on average 3.8003692441355343) internal successors, (174969), 46104 states have internal predecessors, (174969), 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) [2022-12-14 05:07:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46105 states to 46105 states and 174969 transitions. [2022-12-14 05:07:44,904 INFO L78 Accepts]: Start accepts. Automaton has 46105 states and 174969 transitions. Word has length 13 [2022-12-14 05:07:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:44,904 INFO L495 AbstractCegarLoop]: Abstraction has 46105 states and 174969 transitions. [2022-12-14 05:07:44,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:07:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 46105 states and 174969 transitions. [2022-12-14 05:07:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 05:07:44,906 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:44,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:44,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:07:44,906 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:44,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1665623597, now seen corresponding path program 1 times [2022-12-14 05:07:44,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:44,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102203794] [2022-12-14 05:07:44,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:07:45,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:45,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102203794] [2022-12-14 05:07:45,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102203794] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:07:45,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349227427] [2022-12-14 05:07:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:45,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:07:45,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:07:45,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:07:45,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:07:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:45,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:07:45,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:07:45,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:07:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:07:45,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349227427] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:07:45,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [898158984] [2022-12-14 05:07:45,205 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 05:07:45,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:07:45,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-12-14 05:07:45,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279261087] [2022-12-14 05:07:45,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 05:07:45,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:07:45,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:07:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:07:45,209 INFO L87 Difference]: Start difference. First operand 46105 states and 174969 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2022-12-14 05:07:45,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:45,717 INFO L93 Difference]: Finished difference Result 46114 states and 174978 transitions. [2022-12-14 05:07:45,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:07:45,729 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 05:07:45,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:45,915 INFO L225 Difference]: With dead ends: 46114 [2022-12-14 05:07:45,915 INFO L226 Difference]: Without dead ends: 46114 [2022-12-14 05:07:45,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:07:45,916 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:45,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:07:46,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46114 states. [2022-12-14 05:07:47,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46114 to 46114. [2022-12-14 05:07:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46114 states, 46049 states have (on average 3.799821928814958) internal successors, (174978), 46113 states have internal predecessors, (174978), 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) [2022-12-14 05:07:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46114 states to 46114 states and 174978 transitions. [2022-12-14 05:07:47,319 INFO L78 Accepts]: Start accepts. Automaton has 46114 states and 174978 transitions. Word has length 16 [2022-12-14 05:07:47,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:47,319 INFO L495 AbstractCegarLoop]: Abstraction has 46114 states and 174978 transitions. [2022-12-14 05:07:47,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2022-12-14 05:07:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 46114 states and 174978 transitions. [2022-12-14 05:07:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 05:07:47,320 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:47,320 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:47,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:07:47,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 05:07:47,522 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:47,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash 272574704, now seen corresponding path program 2 times [2022-12-14 05:07:47,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:47,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809247538] [2022-12-14 05:07:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 05:07:47,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:47,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809247538] [2022-12-14 05:07:47,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809247538] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:07:47,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500052340] [2022-12-14 05:07:47,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 05:07:47,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:07:47,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:07:47,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:07:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:07:47,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 05:07:47,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 05:07:47,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 05:07:47,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:47,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:07:47,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:47,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 05:07:47,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:47,998 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:07:47,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 05:07:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 05:07:48,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:07:48,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500052340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:48,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:07:48,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-12-14 05:07:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773297740] [2022-12-14 05:07:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:48,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:07:48,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:48,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:07:48,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:07:48,019 INFO L87 Difference]: Start difference. First operand 46114 states and 174978 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-12-14 05:07:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:48,758 INFO L93 Difference]: Finished difference Result 39977 states and 150430 transitions. [2022-12-14 05:07:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:07:48,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 05:07:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:48,893 INFO L225 Difference]: With dead ends: 39977 [2022-12-14 05:07:48,893 INFO L226 Difference]: Without dead ends: 39977 [2022-12-14 05:07:48,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:07:48,894 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 156 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:48,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 46 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 05:07:48,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39977 states. [2022-12-14 05:07:49,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39977 to 39977. [2022-12-14 05:07:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39977 states, 39939 states have (on average 3.7664939032023836) internal successors, (150430), 39976 states have internal predecessors, (150430), 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) [2022-12-14 05:07:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39977 states to 39977 states and 150430 transitions. [2022-12-14 05:07:49,780 INFO L78 Accepts]: Start accepts. Automaton has 39977 states and 150430 transitions. Word has length 25 [2022-12-14 05:07:49,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:49,781 INFO L495 AbstractCegarLoop]: Abstraction has 39977 states and 150430 transitions. [2022-12-14 05:07:49,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-12-14 05:07:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 39977 states and 150430 transitions. [2022-12-14 05:07:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 05:07:49,783 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:49,783 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:49,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 05:07:49,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:07:49,985 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:49,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash -782039482, now seen corresponding path program 1 times [2022-12-14 05:07:49,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:49,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581631686] [2022-12-14 05:07:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:49,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 05:07:50,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:50,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581631686] [2022-12-14 05:07:50,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581631686] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:07:50,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238991531] [2022-12-14 05:07:50,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:50,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:07:50,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:07:50,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:07:50,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:07:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:50,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 05:07:50,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 05:07:50,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:07:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 05:07:50,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238991531] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:07:50,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [998805879] [2022-12-14 05:07:50,402 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 05:07:50,403 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:07:50,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2022-12-14 05:07:50,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357513614] [2022-12-14 05:07:50,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 05:07:50,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 05:07:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:50,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 05:07:50,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2022-12-14 05:07:50,404 INFO L87 Difference]: Start difference. First operand 39977 states and 150430 transitions. Second operand has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 17 states have internal predecessors, (36), 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) [2022-12-14 05:07:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:50,757 INFO L93 Difference]: Finished difference Result 39980 states and 150433 transitions. [2022-12-14 05:07:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:07:50,757 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 17 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-14 05:07:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:51,072 INFO L225 Difference]: With dead ends: 39980 [2022-12-14 05:07:51,073 INFO L226 Difference]: Without dead ends: 39980 [2022-12-14 05:07:51,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2022-12-14 05:07:51,074 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:51,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 333 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:07:51,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39980 states. [2022-12-14 05:07:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39980 to 39980. [2022-12-14 05:07:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39980 states, 39942 states have (on average 3.7662861148665563) internal successors, (150433), 39979 states have internal predecessors, (150433), 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) [2022-12-14 05:07:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39980 states to 39980 states and 150433 transitions. [2022-12-14 05:07:52,140 INFO L78 Accepts]: Start accepts. Automaton has 39980 states and 150433 transitions. Word has length 26 [2022-12-14 05:07:52,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:52,140 INFO L495 AbstractCegarLoop]: Abstraction has 39980 states and 150433 transitions. [2022-12-14 05:07:52,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 17 states have internal predecessors, (36), 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) [2022-12-14 05:07:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 39980 states and 150433 transitions. [2022-12-14 05:07:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 05:07:52,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:52,142 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:52,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 05:07:52,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:07:52,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:52,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1952532477, now seen corresponding path program 2 times [2022-12-14 05:07:52,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:52,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167754213] [2022-12-14 05:07:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:07:52,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:52,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167754213] [2022-12-14 05:07:52,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167754213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:52,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:52,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:07:52,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271719691] [2022-12-14 05:07:52,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:52,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:07:52,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:52,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:07:52,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:52,848 INFO L87 Difference]: Start difference. First operand 39980 states and 150433 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:07:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:53,535 INFO L93 Difference]: Finished difference Result 38002 states and 142886 transitions. [2022-12-14 05:07:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:07:53,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-14 05:07:53,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:53,660 INFO L225 Difference]: With dead ends: 38002 [2022-12-14 05:07:53,660 INFO L226 Difference]: Without dead ends: 38002 [2022-12-14 05:07:53,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:53,661 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 69 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:53,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 43 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:07:53,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38002 states. [2022-12-14 05:07:54,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38002 to 38002. [2022-12-14 05:07:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38002 states, 37973 states have (on average 3.7628314855291918) internal successors, (142886), 38001 states have internal predecessors, (142886), 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) [2022-12-14 05:07:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38002 states to 38002 states and 142886 transitions. [2022-12-14 05:07:54,526 INFO L78 Accepts]: Start accepts. Automaton has 38002 states and 142886 transitions. Word has length 29 [2022-12-14 05:07:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:54,526 INFO L495 AbstractCegarLoop]: Abstraction has 38002 states and 142886 transitions. [2022-12-14 05:07:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:07:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38002 states and 142886 transitions. [2022-12-14 05:07:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 05:07:54,527 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:54,528 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:54,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:07:54,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:54,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:54,528 INFO L85 PathProgramCache]: Analyzing trace with hash 463537277, now seen corresponding path program 1 times [2022-12-14 05:07:54,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:54,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349485820] [2022-12-14 05:07:54,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:54,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:07:54,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349485820] [2022-12-14 05:07:54,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349485820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:54,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:54,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:07:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991917857] [2022-12-14 05:07:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:54,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:07:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:54,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:07:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:54,995 INFO L87 Difference]: Start difference. First operand 38002 states and 142886 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-14 05:07:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:55,845 INFO L93 Difference]: Finished difference Result 36011 states and 135383 transitions. [2022-12-14 05:07:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:07:55,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 05:07:55,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:55,985 INFO L225 Difference]: With dead ends: 36011 [2022-12-14 05:07:55,985 INFO L226 Difference]: Without dead ends: 36011 [2022-12-14 05:07:55,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:55,986 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 65 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:55,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 05:07:56,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36011 states. [2022-12-14 05:07:56,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36011 to 36011. [2022-12-14 05:07:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36011 states, 35991 states have (on average 3.7615792837098163) internal successors, (135383), 36010 states have internal predecessors, (135383), 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) [2022-12-14 05:07:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36011 states to 36011 states and 135383 transitions. [2022-12-14 05:07:57,024 INFO L78 Accepts]: Start accepts. Automaton has 36011 states and 135383 transitions. Word has length 31 [2022-12-14 05:07:57,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:57,024 INFO L495 AbstractCegarLoop]: Abstraction has 36011 states and 135383 transitions. [2022-12-14 05:07:57,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-14 05:07:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 36011 states and 135383 transitions. [2022-12-14 05:07:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 05:07:57,026 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:57,026 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:57,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:07:57,027 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:57,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:57,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1395025268, now seen corresponding path program 1 times [2022-12-14 05:07:57,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:57,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940456843] [2022-12-14 05:07:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:57,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:07:57,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:57,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940456843] [2022-12-14 05:07:57,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940456843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:57,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:57,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:07:57,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465998025] [2022-12-14 05:07:57,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:57,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:07:57,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:57,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:07:57,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:57,341 INFO L87 Difference]: Start difference. First operand 36011 states and 135383 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-12-14 05:07:57,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:57,951 INFO L93 Difference]: Finished difference Result 33934 states and 127539 transitions. [2022-12-14 05:07:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:07:57,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-12-14 05:07:57,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:58,055 INFO L225 Difference]: With dead ends: 33934 [2022-12-14 05:07:58,055 INFO L226 Difference]: Without dead ends: 33934 [2022-12-14 05:07:58,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:58,055 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 71 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:58,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 47 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:07:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33934 states. [2022-12-14 05:07:58,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33934 to 33934. [2022-12-14 05:07:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33934 states, 33921 states have (on average 3.7598832581586628) internal successors, (127539), 33933 states have internal predecessors, (127539), 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) [2022-12-14 05:07:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33934 states to 33934 states and 127539 transitions. [2022-12-14 05:07:58,840 INFO L78 Accepts]: Start accepts. Automaton has 33934 states and 127539 transitions. Word has length 32 [2022-12-14 05:07:58,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:58,840 INFO L495 AbstractCegarLoop]: Abstraction has 33934 states and 127539 transitions. [2022-12-14 05:07:58,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-12-14 05:07:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 33934 states and 127539 transitions. [2022-12-14 05:07:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 05:07:58,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:58,844 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:58,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:07:58,844 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:07:58,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:58,844 INFO L85 PathProgramCache]: Analyzing trace with hash 533713380, now seen corresponding path program 1 times [2022-12-14 05:07:58,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:07:58,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279439063] [2022-12-14 05:07:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:58,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:07:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:07:59,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:07:59,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279439063] [2022-12-14 05:07:59,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279439063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:59,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:59,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:07:59,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313018466] [2022-12-14 05:07:59,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:59,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:07:59,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:07:59,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:07:59,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:59,235 INFO L87 Difference]: Start difference. First operand 33934 states and 127539 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-12-14 05:07:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:59,794 INFO L93 Difference]: Finished difference Result 32168 states and 120803 transitions. [2022-12-14 05:07:59,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:07:59,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-14 05:07:59,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:59,888 INFO L225 Difference]: With dead ends: 32168 [2022-12-14 05:07:59,888 INFO L226 Difference]: Without dead ends: 32168 [2022-12-14 05:07:59,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:07:59,889 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 63 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:59,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 47 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:07:59,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32168 states. [2022-12-14 05:08:00,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32168 to 32168. [2022-12-14 05:08:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32168 states, 32159 states have (on average 3.756428993438851) internal successors, (120803), 32167 states have internal predecessors, (120803), 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) [2022-12-14 05:08:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32168 states to 32168 states and 120803 transitions. [2022-12-14 05:08:00,555 INFO L78 Accepts]: Start accepts. Automaton has 32168 states and 120803 transitions. Word has length 35 [2022-12-14 05:08:00,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:00,555 INFO L495 AbstractCegarLoop]: Abstraction has 32168 states and 120803 transitions. [2022-12-14 05:08:00,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-12-14 05:08:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32168 states and 120803 transitions. [2022-12-14 05:08:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 05:08:00,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:00,563 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:00,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:08:00,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:08:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1725650590, now seen corresponding path program 1 times [2022-12-14 05:08:00,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:00,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774640651] [2022-12-14 05:08:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:08:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:08:00,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:08:00,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774640651] [2022-12-14 05:08:00,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774640651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:08:00,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:08:00,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:08:00,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446279649] [2022-12-14 05:08:00,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:08:00,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:08:00,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:08:00,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:08:00,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:00,970 INFO L87 Difference]: Start difference. First operand 32168 states and 120803 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-12-14 05:08:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:08:01,654 INFO L93 Difference]: Finished difference Result 30390 states and 114109 transitions. [2022-12-14 05:08:01,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:08:01,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 05:08:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:08:01,763 INFO L225 Difference]: With dead ends: 30390 [2022-12-14 05:08:01,763 INFO L226 Difference]: Without dead ends: 30390 [2022-12-14 05:08:01,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:01,764 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 63 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:08:01,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 52 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 05:08:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30390 states. [2022-12-14 05:08:02,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30390 to 30390. [2022-12-14 05:08:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30390 states, 30385 states have (on average 3.755438538752674) internal successors, (114109), 30389 states have internal predecessors, (114109), 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) [2022-12-14 05:08:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30390 states to 30390 states and 114109 transitions. [2022-12-14 05:08:02,479 INFO L78 Accepts]: Start accepts. Automaton has 30390 states and 114109 transitions. Word has length 37 [2022-12-14 05:08:02,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:02,479 INFO L495 AbstractCegarLoop]: Abstraction has 30390 states and 114109 transitions. [2022-12-14 05:08:02,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-12-14 05:08:02,479 INFO L276 IsEmpty]: Start isEmpty. Operand 30390 states and 114109 transitions. [2022-12-14 05:08:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 05:08:02,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:02,488 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:02,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:08:02,488 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:08:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1178443796, now seen corresponding path program 1 times [2022-12-14 05:08:02,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:02,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995210434] [2022-12-14 05:08:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:08:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:08:02,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:08:02,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995210434] [2022-12-14 05:08:02,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995210434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:08:02,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:08:02,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:08:02,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792075058] [2022-12-14 05:08:02,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:08:02,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:08:02,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:08:02,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:08:02,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:02,754 INFO L87 Difference]: Start difference. First operand 30390 states and 114109 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-12-14 05:08:03,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:08:03,235 INFO L93 Difference]: Finished difference Result 28530 states and 107091 transitions. [2022-12-14 05:08:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:08:03,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 05:08:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:08:03,320 INFO L225 Difference]: With dead ends: 28530 [2022-12-14 05:08:03,320 INFO L226 Difference]: Without dead ends: 28502 [2022-12-14 05:08:03,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:03,321 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 69 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:08:03,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 47 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:08:03,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28502 states. [2022-12-14 05:08:03,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28502 to 28502. [2022-12-14 05:08:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28502 states, 28500 states have (on average 3.7556140350877194) internal successors, (107035), 28501 states have internal predecessors, (107035), 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) [2022-12-14 05:08:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28502 states to 28502 states and 107035 transitions. [2022-12-14 05:08:03,901 INFO L78 Accepts]: Start accepts. Automaton has 28502 states and 107035 transitions. Word has length 37 [2022-12-14 05:08:03,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:03,901 INFO L495 AbstractCegarLoop]: Abstraction has 28502 states and 107035 transitions. [2022-12-14 05:08:03,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-12-14 05:08:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 28502 states and 107035 transitions. [2022-12-14 05:08:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 05:08:03,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:03,908 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:03,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:08:03,908 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:08:03,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:03,909 INFO L85 PathProgramCache]: Analyzing trace with hash 491874851, now seen corresponding path program 1 times [2022-12-14 05:08:03,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:03,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262897333] [2022-12-14 05:08:03,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:08:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:08:04,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:08:04,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262897333] [2022-12-14 05:08:04,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262897333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:08:04,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:08:04,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:08:04,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829444403] [2022-12-14 05:08:04,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:08:04,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:08:04,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:08:04,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:08:04,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:04,380 INFO L87 Difference]: Start difference. First operand 28502 states and 107035 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-12-14 05:08:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:08:04,811 INFO L93 Difference]: Finished difference Result 28247 states and 106270 transitions. [2022-12-14 05:08:04,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:08:04,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-12-14 05:08:04,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:08:04,910 INFO L225 Difference]: With dead ends: 28247 [2022-12-14 05:08:04,910 INFO L226 Difference]: Without dead ends: 28247 [2022-12-14 05:08:04,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:04,911 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 52 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:08:04,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 44 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:08:04,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28247 states. [2022-12-14 05:08:05,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28247 to 28247. [2022-12-14 05:08:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28247 states, 28246 states have (on average 3.762302626920626) internal successors, (106270), 28246 states have internal predecessors, (106270), 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) [2022-12-14 05:08:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28247 states to 28247 states and 106270 transitions. [2022-12-14 05:08:05,586 INFO L78 Accepts]: Start accepts. Automaton has 28247 states and 106270 transitions. Word has length 38 [2022-12-14 05:08:05,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:05,587 INFO L495 AbstractCegarLoop]: Abstraction has 28247 states and 106270 transitions. [2022-12-14 05:08:05,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-12-14 05:08:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28247 states and 106270 transitions. [2022-12-14 05:08:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 05:08:05,624 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:08:05,624 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:05,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:08:05,625 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-12-14 05:08:05,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:08:05,625 INFO L85 PathProgramCache]: Analyzing trace with hash -369042577, now seen corresponding path program 1 times [2022-12-14 05:08:05,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:08:05,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416313265] [2022-12-14 05:08:05,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:08:05,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:08:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:08:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 05:08:05,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:08:05,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416313265] [2022-12-14 05:08:05,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416313265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:08:05,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:08:05,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:08:05,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438175477] [2022-12-14 05:08:05,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:08:05,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:08:05,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:08:05,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:08:05,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:05,963 INFO L87 Difference]: Start difference. First operand 28247 states and 106270 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2022-12-14 05:08:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:08:06,304 INFO L93 Difference]: Finished difference Result 28232 states and 106240 transitions. [2022-12-14 05:08:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:08:06,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-12-14 05:08:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:08:06,305 INFO L225 Difference]: With dead ends: 28232 [2022-12-14 05:08:06,305 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:08:06,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:08:06,305 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 21 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:08:06,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 44 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:08:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:08:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:08:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:08:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:08:06,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2022-12-14 05:08:06,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:08:06,306 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:08:06,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2022-12-14 05:08:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:08:06,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:08:06,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (83 of 84 remaining) [2022-12-14 05:08:06,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (82 of 84 remaining) [2022-12-14 05:08:06,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (81 of 84 remaining) [2022-12-14 05:08:06,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (80 of 84 remaining) [2022-12-14 05:08:06,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (79 of 84 remaining) [2022-12-14 05:08:06,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (78 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 84 remaining) [2022-12-14 05:08:06,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (57 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (56 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (55 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (54 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (53 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (52 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 84 remaining) [2022-12-14 05:08:06,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (42 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 84 remaining) [2022-12-14 05:08:06,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 84 remaining) [2022-12-14 05:08:06,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 84 remaining) [2022-12-14 05:08:06,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 84 remaining) [2022-12-14 05:08:06,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 84 remaining) [2022-12-14 05:08:06,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 84 remaining) [2022-12-14 05:08:06,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 84 remaining) [2022-12-14 05:08:06,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:08:06,318 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:08:06,322 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 05:08:06,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:08:06,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:08:06 BasicIcfg [2022-12-14 05:08:06,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:08:06,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:08:06,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:08:06,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:08:06,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:07:21" (3/4) ... [2022-12-14 05:08:06,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:08:06,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-14 05:08:06,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-14 05:08:06,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-14 05:08:06,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-12-14 05:08:06,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 05:08:06,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 05:08:06,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:08:06,377 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:08:06,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:08:06,378 INFO L158 Benchmark]: Toolchain (without parser) took 45721.26ms. Allocated memory was 117.4MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 80.7MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 5.1GB. Max. memory is 16.1GB. [2022-12-14 05:08:06,378 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:08:06,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.38ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 67.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 05:08:06,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.09ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 63.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:08:06,379 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 60.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:08:06,380 INFO L158 Benchmark]: RCFGBuilder took 744.65ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 93.2MB in the end (delta: -33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 05:08:06,380 INFO L158 Benchmark]: TraceAbstraction took 44615.52ms. Allocated memory was 142.6MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 92.5MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2022-12-14 05:08:06,380 INFO L158 Benchmark]: Witness Printer took 53.09ms. Allocated memory is still 9.0GB. Free memory was 3.9GB in the beginning and 3.9GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 05:08:06,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.38ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 67.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.09ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 63.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 60.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.65ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 93.2MB in the end (delta: -33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 44615.52ms. Allocated memory was 142.6MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 92.5MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. * Witness Printer took 53.09ms. Allocated memory is still 9.0GB. Free memory was 3.9GB in the beginning and 3.9GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.8s, 573 PlacesBefore, 135 PlacesAfterwards, 596 TransitionsBefore, 131 TransitionsAfterwards, 78486 CoEnabledTransitionPairs, 19 FixpointIterations, 247 TrivialSequentialCompositions, 407 ConcurrentSequentialCompositions, 44 TrivialYvCompositions, 34 ConcurrentYvCompositions, 27 ChoiceCompositions, 759 TotalNumberOfCompositions, 277822 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 131605, independent: 129094, independent conditional: 0, independent unconditional: 129094, dependent: 2511, dependent conditional: 0, dependent unconditional: 2511, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58596, independent: 58319, independent conditional: 0, independent unconditional: 58319, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58596, independent: 55544, independent conditional: 0, independent unconditional: 55544, dependent: 3052, dependent conditional: 0, dependent unconditional: 3052, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3052, independent: 2775, independent conditional: 0, independent unconditional: 2775, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3161, independent: 2599, independent conditional: 0, independent unconditional: 2599, dependent: 563, dependent conditional: 0, dependent unconditional: 563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 131605, independent: 70775, independent conditional: 0, independent unconditional: 70775, dependent: 2234, dependent conditional: 0, dependent unconditional: 2234, unknown: 58596, unknown conditional: 0, unknown unconditional: 58596] , Statistics on independence cache: Total cache size (in pairs): 3501, Positive cache size: 3390, Positive conditional cache size: 0, Positive unconditional cache size: 3390, Negative cache size: 111, Negative conditional cache size: 0, Negative unconditional cache size: 111, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 861 locations, 84 error locations. Started 1 CEGAR loops. OverallTime: 44.5s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 629 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 629 mSDsluCounter, 1013 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 531 mSDsCounter, 764 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4286 IncrementalHoareTripleChecker+Invalid, 5050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 764 mSolverCounterUnsat, 482 mSDtfsCounter, 4286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149608occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 436 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 460 ConstructedInterpolants, 0 QuantifiedInterpolants, 1205 SizeOfPredicates, 2 NumberOfNonLiveVariables, 989 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 476/519 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 05:08:06,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c5866-bc69-40d9-a31c-11e6b3ad73fd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE