./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3 --- 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-5e519f3 [2022-11-03 02:51:55,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:51:55,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:51:55,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:51:55,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:51:55,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:51:55,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:51:55,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:51:55,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:51:55,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:51:55,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:51:55,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:51:55,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:51:55,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:51:55,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:51:55,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:51:55,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:51:55,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:51:55,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:51:55,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:51:55,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:51:55,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:51:55,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:51:55,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:51:55,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:51:55,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:51:55,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:51:55,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:51:55,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:51:55,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:51:55,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:51:55,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:51:55,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:51:55,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:51:55,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:51:55,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:51:55,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:51:55,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:51:55,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:51:55,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:51:55,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:51:55,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:51:55,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:51:55,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:51:55,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:51:55,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:51:55,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:51:55,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:51:55,669 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:51:55,669 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:51:55,669 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:51:55,669 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:51:55,670 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:51:55,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:51:55,671 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:51:55,671 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:51:55,671 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:51:55,672 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:51:55,672 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:51:55,672 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:51:55,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:51:55,673 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:51:55,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:51:55,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:51:55,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:51:55,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:51:55,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:51:55,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:51:55,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:51:55,676 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:51:55,677 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:51:55,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:51:55,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:51:55,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:51:55,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:51:55,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:51:55,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:51:55,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:51:55,679 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:51:55,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:51:55,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:51:55,679 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:51:55,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:51:55,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:51:55,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:51:55,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3 [2022-11-03 02:51:55,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:51:56,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:51:56,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:51:56,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:51:56,038 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:51:56,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i [2022-11-03 02:51:56,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/data/507900491/c6685d3fc9e448e9b1576a88b656f158/FLAG6a5a39297 [2022-11-03 02:51:56,783 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:51:56,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i [2022-11-03 02:51:56,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/data/507900491/c6685d3fc9e448e9b1576a88b656f158/FLAG6a5a39297 [2022-11-03 02:51:57,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/data/507900491/c6685d3fc9e448e9b1576a88b656f158 [2022-11-03 02:51:57,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:51:57,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:51:57,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:51:57,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:51:57,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:51:57,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:57,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f32bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57, skipping insertion in model container [2022-11-03 02:51:57,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:57,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:51:57,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:51:57,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:51:57,844 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:51:57,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:51:57,980 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:51:57,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57 WrapperNode [2022-11-03 02:51:57,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:51:57,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:51:57,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:51:57,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:51:57,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,053 INFO L138 Inliner]: procedures = 261, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-11-03 02:51:58,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:51:58,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:51:58,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:51:58,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:51:58,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,101 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:51:58,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:51:58,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:51:58,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:51:58,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (1/1) ... [2022-11-03 02:51:58,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:51:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:51:58,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:51:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:51:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:51:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:51:58,217 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:51:58,458 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:51:58,460 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:51:58,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:51:58,672 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:51:58,676 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:51:58,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:51:58 BoogieIcfgContainer [2022-11-03 02:51:58,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:51:58,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:51:58,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:51:58,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:51:58,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:51:57" (1/3) ... [2022-11-03 02:51:58,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179d37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:51:58, skipping insertion in model container [2022-11-03 02:51:58,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:51:57" (2/3) ... [2022-11-03 02:51:58,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179d37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:51:58, skipping insertion in model container [2022-11-03 02:51:58,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:51:58" (3/3) ... [2022-11-03 02:51:58,692 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_18-glob_guards.i [2022-11-03 02:51:58,702 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:51:58,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:51:58,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 02:51:58,713 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:51:58,767 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-03 02:51:58,815 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:51:58,829 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 75 transitions, 158 flow [2022-11-03 02:51:58,833 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 75 transitions, 158 flow [2022-11-03 02:51:58,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 158 flow [2022-11-03 02:51:58,908 INFO L130 PetriNetUnfolder]: 2/74 cut-off events. [2022-11-03 02:51:58,908 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-03 02:51:58,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 2/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-11-03 02:51:58,913 INFO L118 LiptonReduction]: Number of co-enabled transitions 270 [2022-11-03 02:52:02,254 INFO L133 LiptonReduction]: Checked pairs total: 482 [2022-11-03 02:52:02,254 INFO L135 LiptonReduction]: Total number of compositions: 79 [2022-11-03 02:52:02,267 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 34 flow [2022-11-03 02:52:02,284 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 21 states have internal predecessors, (32), 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) [2022-11-03 02:52:02,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:52:02,321 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12a02089, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:52:02,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-03 02:52:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 21 states have internal predecessors, (32), 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) [2022-11-03 02:52:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 02:52:02,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:02,331 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 02:52:02,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-03 02:52:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash 278, now seen corresponding path program 1 times [2022-11-03 02:52:02,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:02,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353392640] [2022-11-03 02:52:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:52:02,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:02,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353392640] [2022-11-03 02:52:02,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353392640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:02,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:02,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 02:52:02,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614247242] [2022-11-03 02:52:02,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:02,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:52:02,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:02,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:52:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:52:02,541 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:52:02,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:02,577 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-11-03 02:52:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:52:02,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-03 02:52:02,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:02,585 INFO L225 Difference]: With dead ends: 10 [2022-11-03 02:52:02,585 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:52:02,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:52:02,591 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:02,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:52:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:52:02,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:52:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:52:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:52:02,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-03 02:52:02,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:02,621 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:52:02,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:52:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:52:02,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:52:02,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-11-03 02:52:02,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-03 02:52:02,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-03 02:52:02,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-11-03 02:52:02,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-03 02:52:02,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-03 02:52:02,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:52:02,637 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:52:02,646 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:52:02,646 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:52:02,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:52:02 BasicIcfg [2022-11-03 02:52:02,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:52:02,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:52:02,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:52:02,651 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:52:02,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:51:58" (3/4) ... [2022-11-03 02:52:02,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:52:02,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-03 02:52:02,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-03 02:52:02,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 02:52:02,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:52:02,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:52:02,729 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:52:02,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:52:02,732 INFO L158 Benchmark]: Toolchain (without parser) took 5696.49ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 71.7MB in the beginning and 103.1MB in the end (delta: -31.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:52:02,733 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:52:02,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.14ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 65.8MB in the end (delta: 5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:52:02,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.32ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:52:02,734 INFO L158 Benchmark]: Boogie Preprocessor took 58.29ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 62.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:52:02,735 INFO L158 Benchmark]: RCFGBuilder took 565.17ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 49.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:52:02,735 INFO L158 Benchmark]: TraceAbstraction took 3968.16ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 48.8MB in the beginning and 105.2MB in the end (delta: -56.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:52:02,736 INFO L158 Benchmark]: Witness Printer took 78.78ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:52:02,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.14ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 65.8MB in the end (delta: 5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.32ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.29ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 62.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.17ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 49.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3968.16ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 48.8MB in the beginning and 105.2MB in the end (delta: -56.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.78ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 77 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 13 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 7 FixpointIterations, 50 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 79 TotalNumberOfCompositions, 482 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 351, positive conditional: 0, positive unconditional: 351, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 229, positive: 221, positive conditional: 0, positive unconditional: 221, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 229, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 382, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 229, unknown conditional: 0, unknown unconditional: 229] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: 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 3 procedures, 84 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 02:52:02,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4867217-4ede-4aca-9949-48ca86b4ab64/bin/utaipan-7li7fVZpFI/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