./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:30:01,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:30:01,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:30:01,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:30:01,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:30:01,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:30:01,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:30:01,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:30:01,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:30:01,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:30:01,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:30:01,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:30:01,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:30:01,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:30:01,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:30:01,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:30:01,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:30:01,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:30:01,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:30:01,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:30:01,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:30:01,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:30:01,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:30:01,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:30:01,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:30:01,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:30:01,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:30:01,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:30:01,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:30:01,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:30:01,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:30:01,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:30:01,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:30:01,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:30:01,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:30:01,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:30:01,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:30:01,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:30:01,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:30:01,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:30:01,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:30:01,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 15:30:01,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:30:01,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:30:01,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:30:01,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:30:01,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:30:01,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:30:01,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:30:01,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:30:01,737 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:30:01,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:30:01,737 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:30:01,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:30:01,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:30:01,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:30:01,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:30:01,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:30:01,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:30:01,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:30:01,739 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 15:30:01,739 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:30:01,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:30:01,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:30:01,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:30:01,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:30:01,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:30:01,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:30:01,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:30:01,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:30:01,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:30:01,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:30:01,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:30:01,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:30:01,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:30:01,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:30:01,742 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:30:01,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:30:01,742 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2022-11-25 15:30:02,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:30:02,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:30:02,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:30:02,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:30:02,057 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:30:02,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2022-11-25 15:30:05,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:30:05,478 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:30:05,479 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2022-11-25 15:30:05,487 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/data/fafed170c/abb5485630744b5cbb1a0ebf698c9076/FLAG3715884e5 [2022-11-25 15:30:05,509 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/data/fafed170c/abb5485630744b5cbb1a0ebf698c9076 [2022-11-25 15:30:05,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:30:05,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:30:05,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:30:05,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:30:05,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:30:05,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:05,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dad002a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05, skipping insertion in model container [2022-11-25 15:30:05,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:05,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:30:05,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:30:05,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,807 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_e0910efc-71fa-4293-a217-3738b186f1ad/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-11-25 15:30:05,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:30:05,834 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:30:05,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,884 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:30:05,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:30:05,893 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_e0910efc-71fa-4293-a217-3738b186f1ad/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-11-25 15:30:05,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:30:05,917 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:30:05,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05 WrapperNode [2022-11-25 15:30:05,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:30:05,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:30:05,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:30:05,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:30:05,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:05,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:05,972 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 281 [2022-11-25 15:30:05,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:30:05,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:30:05,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:30:05,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:30:05,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:30:06,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:30:06,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:30:06,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:30:06,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (1/1) ... [2022-11-25 15:30:06,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:30:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:30:06,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:30:06,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:30:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:30:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 15:30:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 15:30:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 15:30:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 15:30:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:30:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:30:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:30:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 15:30:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 15:30:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 15:30:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:30:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:30:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:30:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:30:06,168 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 15:30:06,347 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:30:06,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:30:06,861 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:30:07,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:30:07,079 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 15:30:07,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:07 BoogieIcfgContainer [2022-11-25 15:30:07,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:30:07,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:30:07,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:30:07,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:30:07,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:30:05" (1/3) ... [2022-11-25 15:30:07,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463cf5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:30:07, skipping insertion in model container [2022-11-25 15:30:07,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:05" (2/3) ... [2022-11-25 15:30:07,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463cf5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:30:07, skipping insertion in model container [2022-11-25 15:30:07,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:07" (3/3) ... [2022-11-25 15:30:07,091 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2022-11-25 15:30:07,099 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 15:30:07,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:30:07,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-11-25 15:30:07,110 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 15:30:07,283 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 15:30:07,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 259 places, 265 transitions, 546 flow [2022-11-25 15:30:07,458 INFO L130 PetriNetUnfolder]: 13/263 cut-off events. [2022-11-25 15:30:07,458 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 15:30:07,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 263 events. 13/263 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 424 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2022-11-25 15:30:07,465 INFO L82 GeneralOperation]: Start removeDead. Operand has 259 places, 265 transitions, 546 flow [2022-11-25 15:30:07,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 238 places, 242 transitions, 496 flow [2022-11-25 15:30:07,475 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 15:30:07,488 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 242 transitions, 496 flow [2022-11-25 15:30:07,491 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 242 transitions, 496 flow [2022-11-25 15:30:07,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 242 transitions, 496 flow [2022-11-25 15:30:07,542 INFO L130 PetriNetUnfolder]: 11/242 cut-off events. [2022-11-25 15:30:07,543 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 15:30:07,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 242 events. 11/242 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 369 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2022-11-25 15:30:07,549 INFO L119 LiptonReduction]: Number of co-enabled transitions 7732 [2022-11-25 15:30:17,898 INFO L134 LiptonReduction]: Checked pairs total: 25156 [2022-11-25 15:30:17,898 INFO L136 LiptonReduction]: Total number of compositions: 339 [2022-11-25 15:30:17,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:30:17,922 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=PETRI_NET, 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;@3496b646, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:30:17,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2022-11-25 15:30:17,924 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 15:30:17,925 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:30:17,925 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:30:17,925 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 15:30:17,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-25 15:30:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:30:17,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1206, now seen corresponding path program 1 times [2022-11-25 15:30:17,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:30:17,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391789456] [2022-11-25 15:30:17,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:30:17,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:30:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:30:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:30:18,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:30:18,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391789456] [2022-11-25 15:30:18,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391789456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:30:18,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:30:18,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 15:30:18,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721618314] [2022-11-25 15:30:18,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:30:18,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:30:18,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:30:18,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:30:18,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:30:18,109 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 604 [2022-11-25 15:30:18,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 148 flow. Second operand has 2 states, 2 states have (on average 229.5) internal successors, (459), 2 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:18,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:30:18,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 604 [2022-11-25 15:30:18,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:30:18,299 INFO L130 PetriNetUnfolder]: 189/391 cut-off events. [2022-11-25 15:30:18,299 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-25 15:30:18,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 391 events. 189/391 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1939 event pairs, 107 based on Foata normal form. 1/285 useless extension candidates. Maximal degree in co-relation 624. Up to 286 conditions per place. [2022-11-25 15:30:18,310 INFO L137 encePairwiseOnDemand]: 566/604 looper letters, 18 selfloop transitions, 0 changer transitions 3/30 dead transitions. [2022-11-25 15:30:18,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 30 transitions, 114 flow [2022-11-25 15:30:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:30:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 15:30:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 517 transitions. [2022-11-25 15:30:18,335 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4279801324503311 [2022-11-25 15:30:18,342 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 517 transitions. [2022-11-25 15:30:18,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 517 transitions. [2022-11-25 15:30:18,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:30:18,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 517 transitions. [2022-11-25 15:30:18,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 258.5) internal successors, (517), 2 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:18,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 604.0) internal successors, (1812), 3 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:18,366 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 604.0) internal successors, (1812), 3 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:18,368 INFO L175 Difference]: Start difference. First operand has 71 places, 68 transitions, 148 flow. Second operand 2 states and 517 transitions. [2022-11-25 15:30:18,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 30 transitions, 114 flow [2022-11-25 15:30:18,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 30 transitions, 106 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 15:30:18,374 INFO L231 Difference]: Finished difference. Result has 30 places, 27 transitions, 56 flow [2022-11-25 15:30:18,376 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=604, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=56, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2022-11-25 15:30:18,380 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, -41 predicate places. [2022-11-25 15:30:18,380 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 56 flow [2022-11-25 15:30:18,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 229.5) internal successors, (459), 2 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:18,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:30:18,381 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:30:18,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:30:18,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-25 15:30:18,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:30:18,392 INFO L85 PathProgramCache]: Analyzing trace with hash -451598439, now seen corresponding path program 1 times [2022-11-25 15:30:18,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:30:18,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531096855] [2022-11-25 15:30:18,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:30:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:30:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:30:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:30:18,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:30:18,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531096855] [2022-11-25 15:30:18,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531096855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:30:18,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:30:18,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:30:18,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620754273] [2022-11-25 15:30:18,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:30:18,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:30:18,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:30:18,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:30:18,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:30:19,188 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 604 [2022-11-25 15:30:19,189 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 56 flow. Second operand has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,189 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:30:19,190 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 604 [2022-11-25 15:30:19,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:30:19,488 INFO L130 PetriNetUnfolder]: 303/489 cut-off events. [2022-11-25 15:30:19,489 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:30:19,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 489 events. 303/489 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2064 event pairs, 21 based on Foata normal form. 25/382 useless extension candidates. Maximal degree in co-relation 933. Up to 180 conditions per place. [2022-11-25 15:30:19,492 INFO L137 encePairwiseOnDemand]: 600/604 looper letters, 43 selfloop transitions, 3 changer transitions 4/56 dead transitions. [2022-11-25 15:30:19,492 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 56 transitions, 214 flow [2022-11-25 15:30:19,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:30:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 15:30:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1141 transitions. [2022-11-25 15:30:19,497 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.37781456953642384 [2022-11-25 15:30:19,497 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1141 transitions. [2022-11-25 15:30:19,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1141 transitions. [2022-11-25 15:30:19,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:30:19,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1141 transitions. [2022-11-25 15:30:19,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 228.2) internal successors, (1141), 5 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 604.0) internal successors, (3624), 6 states have internal predecessors, (3624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,512 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 604.0) internal successors, (3624), 6 states have internal predecessors, (3624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,512 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 56 flow. Second operand 5 states and 1141 transitions. [2022-11-25 15:30:19,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 56 transitions, 214 flow [2022-11-25 15:30:19,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 56 transitions, 214 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 15:30:19,514 INFO L231 Difference]: Finished difference. Result has 30 places, 25 transitions, 58 flow [2022-11-25 15:30:19,515 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=604, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=58, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2022-11-25 15:30:19,515 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, -41 predicate places. [2022-11-25 15:30:19,516 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 25 transitions, 58 flow [2022-11-25 15:30:19,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 219.8) internal successors, (1099), 5 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,517 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:30:19,517 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:30:19,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:30:19,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-25 15:30:19,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:30:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash -387282858, now seen corresponding path program 1 times [2022-11-25 15:30:19,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:30:19,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269506362] [2022-11-25 15:30:19,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:30:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:30:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:30:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:30:19,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:30:19,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269506362] [2022-11-25 15:30:19,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269506362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:30:19,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:30:19,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:30:19,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779932268] [2022-11-25 15:30:19,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:30:19,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:30:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:30:19,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:30:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:30:19,725 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 604 [2022-11-25 15:30:19,726 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 25 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 224.5) internal successors, (898), 4 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:30:19,727 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 604 [2022-11-25 15:30:19,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:30:19,836 INFO L130 PetriNetUnfolder]: 93/263 cut-off events. [2022-11-25 15:30:19,837 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-25 15:30:19,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 263 events. 93/263 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1269 event pairs, 52 based on Foata normal form. 6/225 useless extension candidates. Maximal degree in co-relation 488. Up to 135 conditions per place. [2022-11-25 15:30:19,838 INFO L137 encePairwiseOnDemand]: 598/604 looper letters, 15 selfloop transitions, 2 changer transitions 7/33 dead transitions. [2022-11-25 15:30:19,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 33 transitions, 126 flow [2022-11-25 15:30:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:30:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 15:30:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 919 transitions. [2022-11-25 15:30:19,842 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.38038079470198677 [2022-11-25 15:30:19,842 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 919 transitions. [2022-11-25 15:30:19,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 919 transitions. [2022-11-25 15:30:19,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:30:19,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 919 transitions. [2022-11-25 15:30:19,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 604.0) internal successors, (3020), 5 states have internal predecessors, (3020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,852 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 604.0) internal successors, (3020), 5 states have internal predecessors, (3020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,853 INFO L175 Difference]: Start difference. First operand has 30 places, 25 transitions, 58 flow. Second operand 4 states and 919 transitions. [2022-11-25 15:30:19,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 33 transitions, 126 flow [2022-11-25 15:30:19,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 33 transitions, 119 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 15:30:19,855 INFO L231 Difference]: Finished difference. Result has 31 places, 26 transitions, 71 flow [2022-11-25 15:30:19,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=604, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=71, PETRI_PLACES=31, PETRI_TRANSITIONS=26} [2022-11-25 15:30:19,855 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, -40 predicate places. [2022-11-25 15:30:19,856 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 71 flow [2022-11-25 15:30:19,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 224.5) internal successors, (898), 4 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:19,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:30:19,857 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:30:19,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:30:19,857 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-25 15:30:19,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:30:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash 2018705699, now seen corresponding path program 1 times [2022-11-25 15:30:19,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:30:19,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681091821] [2022-11-25 15:30:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:30:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:30:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:30:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:30:20,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:30:20,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681091821] [2022-11-25 15:30:20,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681091821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:30:20,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:30:20,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:30:20,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662337705] [2022-11-25 15:30:20,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:30:20,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:30:20,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:30:20,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:30:20,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:30:20,320 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 604 [2022-11-25 15:30:20,321 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 71 flow. Second operand has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:20,322 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:30:20,322 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 604 [2022-11-25 15:30:20,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:30:20,521 INFO L130 PetriNetUnfolder]: 132/267 cut-off events. [2022-11-25 15:30:20,522 INFO L131 PetriNetUnfolder]: For 25/28 co-relation queries the response was YES. [2022-11-25 15:30:20,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 267 events. 132/267 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1164 event pairs, 30 based on Foata normal form. 12/250 useless extension candidates. Maximal degree in co-relation 551. Up to 101 conditions per place. [2022-11-25 15:30:20,523 INFO L137 encePairwiseOnDemand]: 599/604 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2022-11-25 15:30:20,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 49 transitions, 218 flow [2022-11-25 15:30:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:30:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 15:30:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1123 transitions. [2022-11-25 15:30:20,528 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3718543046357616 [2022-11-25 15:30:20,528 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1123 transitions. [2022-11-25 15:30:20,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1123 transitions. [2022-11-25 15:30:20,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:30:20,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1123 transitions. [2022-11-25 15:30:20,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 224.6) internal successors, (1123), 5 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:20,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 604.0) internal successors, (3624), 6 states have internal predecessors, (3624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:20,540 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 604.0) internal successors, (3624), 6 states have internal predecessors, (3624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:20,541 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 71 flow. Second operand 5 states and 1123 transitions. [2022-11-25 15:30:20,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 49 transitions, 218 flow [2022-11-25 15:30:20,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 49 transitions, 214 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-11-25 15:30:20,542 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2022-11-25 15:30:20,543 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=604, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2022-11-25 15:30:20,543 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, -39 predicate places. [2022-11-25 15:30:20,544 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 0 transitions, 0 flow [2022-11-25 15:30:20,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 218.0) internal successors, (1090), 5 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:30:20,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2022-11-25 15:30:20,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2022-11-25 15:30:20,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2022-11-25 15:30:20,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2022-11-25 15:30:20,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2022-11-25 15:30:20,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2022-11-25 15:30:20,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2022-11-25 15:30:20,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2022-11-25 15:30:20,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2022-11-25 15:30:20,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2022-11-25 15:30:20,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2022-11-25 15:30:20,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2022-11-25 15:30:20,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2022-11-25 15:30:20,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2022-11-25 15:30:20,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2022-11-25 15:30:20,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2022-11-25 15:30:20,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2022-11-25 15:30:20,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2022-11-25 15:30:20,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2022-11-25 15:30:20,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2022-11-25 15:30:20,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2022-11-25 15:30:20,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2022-11-25 15:30:20,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2022-11-25 15:30:20,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2022-11-25 15:30:20,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2022-11-25 15:30:20,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2022-11-25 15:30:20,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2022-11-25 15:30:20,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2022-11-25 15:30:20,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2022-11-25 15:30:20,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2022-11-25 15:30:20,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2022-11-25 15:30:20,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2022-11-25 15:30:20,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2022-11-25 15:30:20,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2022-11-25 15:30:20,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2022-11-25 15:30:20,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2022-11-25 15:30:20,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2022-11-25 15:30:20,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2022-11-25 15:30:20,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2022-11-25 15:30:20,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2022-11-25 15:30:20,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2022-11-25 15:30:20,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2022-11-25 15:30:20,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 71 remaining) [2022-11-25 15:30:20,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 71 remaining) [2022-11-25 15:30:20,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2022-11-25 15:30:20,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2022-11-25 15:30:20,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2022-11-25 15:30:20,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2022-11-25 15:30:20,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2022-11-25 15:30:20,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2022-11-25 15:30:20,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2022-11-25 15:30:20,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2022-11-25 15:30:20,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2022-11-25 15:30:20,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2022-11-25 15:30:20,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2022-11-25 15:30:20,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2022-11-25 15:30:20,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2022-11-25 15:30:20,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2022-11-25 15:30:20,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2022-11-25 15:30:20,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2022-11-25 15:30:20,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2022-11-25 15:30:20,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2022-11-25 15:30:20,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2022-11-25 15:30:20,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2022-11-25 15:30:20,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2022-11-25 15:30:20,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2022-11-25 15:30:20,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2022-11-25 15:30:20,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2022-11-25 15:30:20,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2022-11-25 15:30:20,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2022-11-25 15:30:20,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2022-11-25 15:30:20,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:30:20,566 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 15:30:20,572 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 15:30:20,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:30:20,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:30:20 BasicIcfg [2022-11-25 15:30:20,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:30:20,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:30:20,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:30:20,577 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:30:20,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:07" (3/4) ... [2022-11-25 15:30:20,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:30:20,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 15:30:20,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 15:30:20,594 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 15:30:20,594 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 15:30:20,594 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:30:20,595 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:30:20,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:30:20,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:30:20,653 INFO L158 Benchmark]: Toolchain (without parser) took 15135.44ms. Allocated memory was 186.6MB in the beginning and 243.3MB in the end (delta: 56.6MB). Free memory was 142.2MB in the beginning and 168.0MB in the end (delta: -25.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,653 INFO L158 Benchmark]: CDTParser took 18.82ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 104.8MB in the end (delta: -13.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.90ms. Allocated memory is still 186.6MB. Free memory was 142.2MB in the beginning and 128.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.11ms. Allocated memory is still 186.6MB. Free memory was 128.2MB in the beginning and 125.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,654 INFO L158 Benchmark]: Boogie Preprocessor took 89.70ms. Allocated memory is still 186.6MB. Free memory was 125.4MB in the beginning and 122.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,654 INFO L158 Benchmark]: RCFGBuilder took 1014.77ms. Allocated memory is still 186.6MB. Free memory was 122.6MB in the beginning and 149.4MB in the end (delta: -26.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,655 INFO L158 Benchmark]: TraceAbstraction took 13492.06ms. Allocated memory was 186.6MB in the beginning and 243.3MB in the end (delta: 56.6MB). Free memory was 148.4MB in the beginning and 171.2MB in the end (delta: -22.8MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,655 INFO L158 Benchmark]: Witness Printer took 74.93ms. Allocated memory is still 243.3MB. Free memory was 171.2MB in the beginning and 168.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:30:20,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 18.82ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 104.8MB in the end (delta: -13.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.90ms. Allocated memory is still 186.6MB. Free memory was 142.2MB in the beginning and 128.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.11ms. Allocated memory is still 186.6MB. Free memory was 128.2MB in the beginning and 125.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.70ms. Allocated memory is still 186.6MB. Free memory was 125.4MB in the beginning and 122.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.77ms. Allocated memory is still 186.6MB. Free memory was 122.6MB in the beginning and 149.4MB in the end (delta: -26.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13492.06ms. Allocated memory was 186.6MB in the beginning and 243.3MB in the end (delta: 56.6MB). Free memory was 148.4MB in the beginning and 171.2MB in the end (delta: -22.8MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. * Witness Printer took 74.93ms. Allocated memory is still 243.3MB. Free memory was 171.2MB in the beginning and 168.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4s, 238 PlacesBefore, 71 PlacesAfterwards, 242 TransitionsBefore, 68 TransitionsAfterwards, 7732 CoEnabledTransitionPairs, 12 FixpointIterations, 128 TrivialSequentialCompositions, 180 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 14 ConcurrentYvCompositions, 7 ChoiceCompositions, 339 TotalNumberOfCompositions, 25156 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16414, independent: 16052, independent conditional: 0, independent unconditional: 16052, dependent: 362, dependent conditional: 0, dependent unconditional: 362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5824, independent: 5758, independent conditional: 0, independent unconditional: 5758, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5824, independent: 5392, independent conditional: 0, independent unconditional: 5392, dependent: 432, dependent conditional: 0, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 432, independent: 366, independent conditional: 0, independent unconditional: 366, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1299, independent: 1024, independent conditional: 0, independent unconditional: 1024, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16414, independent: 10294, independent conditional: 0, independent unconditional: 10294, dependent: 296, dependent conditional: 0, dependent unconditional: 296, unknown: 5824, unknown conditional: 0, unknown unconditional: 5824] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 579, Positive conditional cache size: 0, Positive unconditional cache size: 579, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 51]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 78]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 94]: 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: 95]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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: 104]: 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 5 procedures, 355 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 291 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 566 IncrementalHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 0 mSDtfsCounter, 566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 15:30:20,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0910efc-71fa-4293-a217-3738b186f1ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE