./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- 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-6b4ec56 [2022-11-20 20:17:29,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:17:29,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:17:29,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:17:29,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:17:29,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:17:29,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:17:29,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:17:29,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:17:29,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:17:29,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:17:29,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:17:29,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:17:29,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:17:29,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:17:29,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:17:29,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:17:29,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:17:29,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:17:29,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:17:29,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:17:29,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:17:29,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:17:29,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:17:29,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:17:29,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:17:29,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:17:29,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:17:29,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:17:29,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:17:29,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:17:29,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:17:29,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:17:29,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:17:29,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:17:29,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:17:29,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:17:29,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:17:29,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:17:29,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:17:29,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:17:29,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-20 20:17:29,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:17:29,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:17:29,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:17:29,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:17:29,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:17:29,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:17:29,754 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:17:29,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:17:29,755 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:17:29,755 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:17:29,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:17:29,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:17:29,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:17:29,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:17:29,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:17:29,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:17:29,756 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:17:29,756 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:17:29,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 20:17:29,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 20:17:29,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:17:29,758 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:17:29,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:17:29,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:17:29,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:17:29,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:17:29,758 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 20:17:29,759 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 20:17:29,759 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 20:17:29,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:17:29,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:17:29,759 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:17:29,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:17:29,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:17:29,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:17:29,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:17:29,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:17:29,761 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:17:29,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:17:29,761 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:17:29,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:17:29,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:17:29,761 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_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2022-11-20 20:17:30,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:17:30,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:17:30,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:17:30,058 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:17:30,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:17:30,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-20 20:17:33,246 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:17:33,589 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:17:33,589 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-20 20:17:33,616 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data/790b64dd8/e49004bd51714c9ab8f4b45148275946/FLAG2442dd62a [2022-11-20 20:17:33,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data/790b64dd8/e49004bd51714c9ab8f4b45148275946 [2022-11-20 20:17:33,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:17:33,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:17:33,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:17:33,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:17:33,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:17:33,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:17:33" (1/1) ... [2022-11-20 20:17:33,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2632632e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:33, skipping insertion in model container [2022-11-20 20:17:33,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:17:33" (1/1) ... [2022-11-20 20:17:33,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:17:33,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:17:34,239 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_d4a081d3-d868-4a7d-84db-5964909fe8b9/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-20 20:17:34,264 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:34,264 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:34,266 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:34,267 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:34,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:17:34,323 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-20 20:17:34,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6974e48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:34, skipping insertion in model container [2022-11-20 20:17:34,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:17:34,324 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 20:17:34,326 INFO L158 Benchmark]: Toolchain (without parser) took 679.78ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 121.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:17:34,327 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:17:34,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.72ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 121.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:17:34,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.72ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 121.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1051]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- 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-6b4ec56 [2022-11-20 20:17:36,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:17:36,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:17:36,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:17:36,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:17:36,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:17:36,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:17:36,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:17:36,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:17:36,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:17:36,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:17:36,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:17:36,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:17:36,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:17:36,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:17:36,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:17:36,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:17:36,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:17:36,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:17:36,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:17:36,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:17:36,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:17:36,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:17:36,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:17:36,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:17:36,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:17:36,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:17:36,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:17:36,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:17:36,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:17:36,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:17:36,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:17:36,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:17:36,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:17:36,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:17:36,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:17:36,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:17:36,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:17:36,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:17:36,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:17:36,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:17:36,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-20 20:17:36,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:17:36,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:17:36,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:17:36,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:17:36,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:17:36,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:17:36,948 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:17:36,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:17:36,949 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:17:36,949 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:17:36,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:17:36,950 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:17:36,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 20:17:36,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 20:17:36,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:17:36,952 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:17:36,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:17:36,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:17:36,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:17:36,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:17:36,953 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 20:17:36,954 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 20:17:36,954 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 20:17:36,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:17:36,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:17:36,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:17:36,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:17:36,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:17:36,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:17:36,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:17:36,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:17:36,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:17:36,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:17:36,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:17:36,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:17:36,957 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:17:36,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:17:36,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:17:36,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:17:36,958 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2022-11-20 20:17:37,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:17:37,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:17:37,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:17:37,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:17:37,388 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:17:37,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-20 20:17:40,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:17:41,128 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:17:41,129 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-20 20:17:41,142 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data/c993ccdec/3f5b60cb70ff4787a85ce5c69103c0dd/FLAGec36d0a0e [2022-11-20 20:17:41,162 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/data/c993ccdec/3f5b60cb70ff4787a85ce5c69103c0dd [2022-11-20 20:17:41,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:17:41,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:17:41,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:17:41,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:17:41,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:17:41,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:17:41" (1/1) ... [2022-11-20 20:17:41,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423d3935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:41, skipping insertion in model container [2022-11-20 20:17:41,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:17:41" (1/1) ... [2022-11-20 20:17:41,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:17:41,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:17:41,710 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_d4a081d3-d868-4a7d-84db-5964909fe8b9/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-20 20:17:41,726 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,728 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,728 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,729 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:17:41,782 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 20:17:41,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:17:41,853 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_d4a081d3-d868-4a7d-84db-5964909fe8b9/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-20 20:17:41,867 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,867 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,868 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,868 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:17:41,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:17:41,968 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_d4a081d3-d868-4a7d-84db-5964909fe8b9/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-20 20:17:41,972 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,972 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,973 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:41,973 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-20 20:17:42,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:17:42,070 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:17:42,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42 WrapperNode [2022-11-20 20:17:42,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:17:42,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:17:42,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:17:42,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:17:42,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,134 INFO L138 Inliner]: procedures = 282, calls = 51, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 218 [2022-11-20 20:17:42,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:17:42,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:17:42,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:17:42,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:17:42,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:17:42,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:17:42,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:17:42,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:17:42,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (1/1) ... [2022-11-20 20:17:42,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:17:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:17:42,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:17:42,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a081d3-d868-4a7d-84db-5964909fe8b9/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 20:17:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 20:17:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 20:17:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:17:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:17:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:17:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 20:17:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 20:17:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:17:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:17:42,280 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:17:42,454 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:17:42,456 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:17:43,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:17:43,488 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:17:43,488 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-20 20:17:43,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:17:43 BoogieIcfgContainer [2022-11-20 20:17:43,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:17:43,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:17:43,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:17:43,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:17:43,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:17:41" (1/3) ... [2022-11-20 20:17:43,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17305c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:17:43, skipping insertion in model container [2022-11-20 20:17:43,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:17:42" (2/3) ... [2022-11-20 20:17:43,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17305c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:17:43, skipping insertion in model container [2022-11-20 20:17:43,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:17:43" (3/3) ... [2022-11-20 20:17:43,500 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2022-11-20 20:17:43,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:17:43,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-11-20 20:17:43,523 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 20:17:43,714 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 20:17:43,771 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 20:17:43,786 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 300 transitions, 608 flow [2022-11-20 20:17:43,789 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 300 transitions, 608 flow [2022-11-20 20:17:43,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 277 places, 300 transitions, 608 flow [2022-11-20 20:17:43,957 INFO L130 PetriNetUnfolder]: 28/324 cut-off events. [2022-11-20 20:17:43,957 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-20 20:17:43,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 324 events. 28/324 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 719 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 187. Up to 4 conditions per place. [2022-11-20 20:17:43,976 INFO L119 LiptonReduction]: Number of co-enabled transitions 6060 [2022-11-20 20:18:49,108 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:20:20,152 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:20:25,661 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:20:33,913 WARN L233 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:20:39,668 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:21:02,874 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:21:08,217 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:21:28,717 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:21:34,915 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:21:44,785 WARN L233 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:21:55,451 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:22:00,882 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:22:07,239 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:25:40,222 WARN L233 SmtUtils]: Spent 3.53m on a formula simplification. DAG size of input: 224 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:27:17,562 WARN L233 SmtUtils]: Spent 1.62m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:31:32,940 WARN L233 SmtUtils]: Spent 4.26m on a formula simplification. DAG size of input: 229 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)