./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:01:33,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:01:34,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 05:01:34,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:01:34,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:01:34,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:01:34,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:01:34,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:01:34,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:01:34,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:01:34,054 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:01:34,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:01:34,054 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:01:34,054 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:01:34,054 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:01:34,055 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:01:34,055 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:01:34,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:01:34,055 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:01:34,055 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:01:34,055 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:01:34,055 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:01:34,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 05:01:34,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:01:34,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:34,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:01:34,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:01:34,058 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:01:34,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:01:34,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:01:34,058 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:01:34,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:01:34,058 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66 [2024-11-14 05:01:34,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:01:34,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:01:34,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:01:34,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:01:34,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:01:34,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c Unable to find full path for "g++" [2024-11-14 05:01:36,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:01:36,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:01:36,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-11-14 05:01:36,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/data/5fb4a7c04/72cc202255cc4dfcb640fd7dc7a9a30b/FLAG829408964 [2024-11-14 05:01:36,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/data/5fb4a7c04/72cc202255cc4dfcb640fd7dc7a9a30b [2024-11-14 05:01:36,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:01:36,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:01:36,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:36,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:01:36,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:01:36,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:36" (1/1) ... [2024-11-14 05:01:36,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155f9ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:36, skipping insertion in model container [2024-11-14 05:01:36,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:36" (1/1) ... [2024-11-14 05:01:36,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:01:37,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:37,062 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:01:37,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:37,121 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:01:37,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37 WrapperNode [2024-11-14 05:01:37,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:37,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:37,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:01:37,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:01:37,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,169 INFO L138 Inliner]: procedures = 18, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-14 05:01:37,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:37,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:01:37,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:01:37,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:01:37,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:01:37,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:01:37,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:01:37,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:01:37,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:01:37,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:01:37,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:01:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:01:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 05:01:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 05:01:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 05:01:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 05:01:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:01:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:01:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:01:37,298 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:01:37,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:01:37,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:01:37,857 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:01:37,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:01:37,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:01:37,892 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 05:01:37,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:37 BoogieIcfgContainer [2024-11-14 05:01:37,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:01:37,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:01:37,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:01:37,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:01:37,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:01:36" (1/3) ... [2024-11-14 05:01:37,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8b0e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:37, skipping insertion in model container [2024-11-14 05:01:37,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37" (2/3) ... [2024-11-14 05:01:37,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8b0e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:37, skipping insertion in model container [2024-11-14 05:01:37,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:37" (3/3) ... [2024-11-14 05:01:37,906 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2024-11-14 05:01:37,927 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:01:37,932 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-3.wvr.c that has 3 procedures, 147 locations, 1 initial locations, 2 loop locations, and 16 error locations. [2024-11-14 05:01:37,932 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:01:38,077 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 05:01:38,131 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 328 flow [2024-11-14 05:01:38,486 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4851 states, 4799 states have (on average 2.8393415294853095) internal successors, (13626), 4850 states have internal predecessors, (13626), 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) [2024-11-14 05:01:38,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:01:38,525 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6686533e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:01:38,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-14 05:01:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 4851 states, 4799 states have (on average 2.8393415294853095) internal successors, (13626), 4850 states have internal predecessors, (13626), 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) [2024-11-14 05:01:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 05:01:38,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:38,548 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:38,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:38,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash 691465511, now seen corresponding path program 1 times [2024-11-14 05:01:38,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:38,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504383893] [2024-11-14 05:01:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:38,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:38,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:38,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504383893] [2024-11-14 05:01:38,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504383893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:38,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:38,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:38,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185627864] [2024-11-14 05:01:38,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:38,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:38,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:38,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:38,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:38,784 INFO L87 Difference]: Start difference. First operand has 4851 states, 4799 states have (on average 2.8393415294853095) internal successors, (13626), 4850 states have internal predecessors, (13626), 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 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:01:38,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:38,988 INFO L93 Difference]: Finished difference Result 5552 states and 15295 transitions. [2024-11-14 05:01:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:38,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-14 05:01:38,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:39,049 INFO L225 Difference]: With dead ends: 5552 [2024-11-14 05:01:39,049 INFO L226 Difference]: Without dead ends: 4850 [2024-11-14 05:01:39,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:39,061 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 1 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:39,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:39,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2024-11-14 05:01:39,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 4850. [2024-11-14 05:01:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4850 states, 4799 states have (on average 2.7928735153156907) internal successors, (13403), 4849 states have internal predecessors, (13403), 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) [2024-11-14 05:01:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4850 states to 4850 states and 13403 transitions. [2024-11-14 05:01:39,409 INFO L78 Accepts]: Start accepts. Automaton has 4850 states and 13403 transitions. Word has length 19 [2024-11-14 05:01:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:39,410 INFO L471 AbstractCegarLoop]: Abstraction has 4850 states and 13403 transitions. [2024-11-14 05:01:39,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:01:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4850 states and 13403 transitions. [2024-11-14 05:01:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 05:01:39,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:39,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:39,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:01:39,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:39,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:39,415 INFO L85 PathProgramCache]: Analyzing trace with hash -378580397, now seen corresponding path program 1 times [2024-11-14 05:01:39,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:39,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612059659] [2024-11-14 05:01:39,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:39,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:39,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:39,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612059659] [2024-11-14 05:01:39,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612059659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:39,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:39,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:39,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534785451] [2024-11-14 05:01:39,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:39,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:39,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:39,520 INFO L87 Difference]: Start difference. First operand 4850 states and 13403 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-14 05:01:39,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:39,676 INFO L93 Difference]: Finished difference Result 4850 states and 13403 transitions. [2024-11-14 05:01:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:39,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2024-11-14 05:01:39,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:39,718 INFO L225 Difference]: With dead ends: 4850 [2024-11-14 05:01:39,718 INFO L226 Difference]: Without dead ends: 4849 [2024-11-14 05:01:39,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:39,723 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:39,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 240 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:01:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4849 states. [2024-11-14 05:01:39,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4849 to 4849. [2024-11-14 05:01:39,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4849 states, 4799 states have (on average 2.7926651385705354) internal successors, (13402), 4848 states have internal predecessors, (13402), 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) [2024-11-14 05:01:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4849 states to 4849 states and 13402 transitions. [2024-11-14 05:01:39,973 INFO L78 Accepts]: Start accepts. Automaton has 4849 states and 13402 transitions. Word has length 24 [2024-11-14 05:01:39,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:39,973 INFO L471 AbstractCegarLoop]: Abstraction has 4849 states and 13402 transitions. [2024-11-14 05:01:39,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-14 05:01:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4849 states and 13402 transitions. [2024-11-14 05:01:39,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 05:01:39,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:39,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:39,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:01:39,976 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:39,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:39,977 INFO L85 PathProgramCache]: Analyzing trace with hash 815249000, now seen corresponding path program 1 times [2024-11-14 05:01:39,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:39,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323796015] [2024-11-14 05:01:39,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:39,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:40,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323796015] [2024-11-14 05:01:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323796015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:40,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:40,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:40,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661434150] [2024-11-14 05:01:40,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:40,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:40,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:40,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:40,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:40,096 INFO L87 Difference]: Start difference. First operand 4849 states and 13402 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-14 05:01:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:40,186 INFO L93 Difference]: Finished difference Result 4849 states and 13402 transitions. [2024-11-14 05:01:40,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:40,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-14 05:01:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:40,222 INFO L225 Difference]: With dead ends: 4849 [2024-11-14 05:01:40,223 INFO L226 Difference]: Without dead ends: 4848 [2024-11-14 05:01:40,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:40,229 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:40,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 244 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2024-11-14 05:01:40,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4848. [2024-11-14 05:01:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4848 states, 4799 states have (on average 2.79245676182538) internal successors, (13401), 4847 states have internal predecessors, (13401), 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) [2024-11-14 05:01:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 13401 transitions. [2024-11-14 05:01:40,457 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 13401 transitions. Word has length 29 [2024-11-14 05:01:40,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:40,457 INFO L471 AbstractCegarLoop]: Abstraction has 4848 states and 13401 transitions. [2024-11-14 05:01:40,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-14 05:01:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 13401 transitions. [2024-11-14 05:01:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-14 05:01:40,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:40,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:40,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:01:40,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:40,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:40,461 INFO L85 PathProgramCache]: Analyzing trace with hash -314553411, now seen corresponding path program 1 times [2024-11-14 05:01:40,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:40,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601058326] [2024-11-14 05:01:40,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:40,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601058326] [2024-11-14 05:01:40,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601058326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:40,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:40,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:40,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942542064] [2024-11-14 05:01:40,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:40,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:40,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:40,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:40,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:40,541 INFO L87 Difference]: Start difference. First operand 4848 states and 13401 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-14 05:01:40,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:40,646 INFO L93 Difference]: Finished difference Result 4848 states and 13401 transitions. [2024-11-14 05:01:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:40,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2024-11-14 05:01:40,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:40,709 INFO L225 Difference]: With dead ends: 4848 [2024-11-14 05:01:40,710 INFO L226 Difference]: Without dead ends: 4847 [2024-11-14 05:01:40,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:40,717 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:40,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:40,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2024-11-14 05:01:40,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4847. [2024-11-14 05:01:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4847 states, 4799 states have (on average 2.792248385080225) internal successors, (13400), 4846 states have internal predecessors, (13400), 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) [2024-11-14 05:01:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 13400 transitions. [2024-11-14 05:01:40,931 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 13400 transitions. Word has length 34 [2024-11-14 05:01:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:40,931 INFO L471 AbstractCegarLoop]: Abstraction has 4847 states and 13400 transitions. [2024-11-14 05:01:40,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-14 05:01:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 13400 transitions. [2024-11-14 05:01:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 05:01:40,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:40,933 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:40,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:01:40,933 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:40,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1314493990, now seen corresponding path program 1 times [2024-11-14 05:01:40,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:40,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717204208] [2024-11-14 05:01:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:40,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:40,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:40,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717204208] [2024-11-14 05:01:40,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717204208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:40,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:40,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:40,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190011964] [2024-11-14 05:01:40,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:40,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:40,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:40,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:40,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:40,990 INFO L87 Difference]: Start difference. First operand 4847 states and 13400 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-14 05:01:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:41,166 INFO L93 Difference]: Finished difference Result 4967 states and 13725 transitions. [2024-11-14 05:01:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:41,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2024-11-14 05:01:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:41,192 INFO L225 Difference]: With dead ends: 4967 [2024-11-14 05:01:41,193 INFO L226 Difference]: Without dead ends: 4847 [2024-11-14 05:01:41,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:41,196 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 86 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:41,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 260 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:41,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2024-11-14 05:01:41,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4727. [2024-11-14 05:01:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4727 states, 4686 states have (on average 2.7902262057191636) internal successors, (13075), 4726 states have internal predecessors, (13075), 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) [2024-11-14 05:01:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 4727 states and 13075 transitions. [2024-11-14 05:01:41,366 INFO L78 Accepts]: Start accepts. Automaton has 4727 states and 13075 transitions. Word has length 42 [2024-11-14 05:01:41,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:41,367 INFO L471 AbstractCegarLoop]: Abstraction has 4727 states and 13075 transitions. [2024-11-14 05:01:41,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-14 05:01:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 13075 transitions. [2024-11-14 05:01:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-14 05:01:41,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:41,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:41,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:01:41,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:41,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:41,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1420952597, now seen corresponding path program 1 times [2024-11-14 05:01:41,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:41,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399970869] [2024-11-14 05:01:41,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:41,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:41,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399970869] [2024-11-14 05:01:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399970869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:41,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:41,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777356935] [2024-11-14 05:01:41,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:41,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:41,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:41,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:41,457 INFO L87 Difference]: Start difference. First operand 4727 states and 13075 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-14 05:01:41,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:41,625 INFO L93 Difference]: Finished difference Result 5575 states and 15351 transitions. [2024-11-14 05:01:41,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:41,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2024-11-14 05:01:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:41,653 INFO L225 Difference]: With dead ends: 5575 [2024-11-14 05:01:41,653 INFO L226 Difference]: Without dead ends: 5215 [2024-11-14 05:01:41,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:41,657 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 81 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:41,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 267 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:01:41,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2024-11-14 05:01:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 4367. [2024-11-14 05:01:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4367 states, 4347 states have (on average 2.783528870485392) internal successors, (12100), 4366 states have internal predecessors, (12100), 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) [2024-11-14 05:01:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 4367 states and 12100 transitions. [2024-11-14 05:01:41,809 INFO L78 Accepts]: Start accepts. Automaton has 4367 states and 12100 transitions. Word has length 45 [2024-11-14 05:01:41,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:41,809 INFO L471 AbstractCegarLoop]: Abstraction has 4367 states and 12100 transitions. [2024-11-14 05:01:41,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-14 05:01:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4367 states and 12100 transitions. [2024-11-14 05:01:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-14 05:01:41,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:41,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:41,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:01:41,812 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:41,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:41,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1418955385, now seen corresponding path program 1 times [2024-11-14 05:01:41,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:41,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867635502] [2024-11-14 05:01:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:41,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:41,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:41,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867635502] [2024-11-14 05:01:41,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867635502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:41,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:41,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:41,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082885541] [2024-11-14 05:01:41,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:41,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:41,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:41,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:41,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:41,903 INFO L87 Difference]: Start difference. First operand 4367 states and 12100 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-14 05:01:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:42,043 INFO L93 Difference]: Finished difference Result 4476 states and 12399 transitions. [2024-11-14 05:01:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:42,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-14 05:01:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:42,066 INFO L225 Difference]: With dead ends: 4476 [2024-11-14 05:01:42,067 INFO L226 Difference]: Without dead ends: 4367 [2024-11-14 05:01:42,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:42,069 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 76 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:42,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 243 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:42,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2024-11-14 05:01:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 4258. [2024-11-14 05:01:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4258 states, 4241 states have (on average 2.7825984437632636) internal successors, (11801), 4257 states have internal predecessors, (11801), 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) [2024-11-14 05:01:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 11801 transitions. [2024-11-14 05:01:42,222 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 11801 transitions. Word has length 48 [2024-11-14 05:01:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:42,223 INFO L471 AbstractCegarLoop]: Abstraction has 4258 states and 11801 transitions. [2024-11-14 05:01:42,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-14 05:01:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 11801 transitions. [2024-11-14 05:01:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-14 05:01:42,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:42,226 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:42,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:01:42,226 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:42,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1032187236, now seen corresponding path program 1 times [2024-11-14 05:01:42,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394334297] [2024-11-14 05:01:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:42,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:42,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:42,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394334297] [2024-11-14 05:01:42,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394334297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:42,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:42,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:42,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816661737] [2024-11-14 05:01:42,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:42,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:42,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:42,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:42,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:42,316 INFO L87 Difference]: Start difference. First operand 4258 states and 11801 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-14 05:01:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:42,485 INFO L93 Difference]: Finished difference Result 4991 states and 13816 transitions. [2024-11-14 05:01:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:42,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2024-11-14 05:01:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:42,513 INFO L225 Difference]: With dead ends: 4991 [2024-11-14 05:01:42,513 INFO L226 Difference]: Without dead ends: 4664 [2024-11-14 05:01:42,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:42,518 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 71 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:42,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 250 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2024-11-14 05:01:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 3931. [2024-11-14 05:01:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3931 states, 3923 states have (on average 2.7795054804996178) internal successors, (10904), 3930 states have internal predecessors, (10904), 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) [2024-11-14 05:01:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 10904 transitions. [2024-11-14 05:01:42,701 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 10904 transitions. Word has length 51 [2024-11-14 05:01:42,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:42,703 INFO L471 AbstractCegarLoop]: Abstraction has 3931 states and 10904 transitions. [2024-11-14 05:01:42,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-14 05:01:42,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 10904 transitions. [2024-11-14 05:01:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-14 05:01:42,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:42,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:42,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:01:42,706 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:42,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1493857969, now seen corresponding path program 1 times [2024-11-14 05:01:42,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:42,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430630087] [2024-11-14 05:01:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:42,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:42,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430630087] [2024-11-14 05:01:42,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430630087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:42,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:42,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:42,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175324932] [2024-11-14 05:01:42,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:42,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:42,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:42,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:42,814 INFO L87 Difference]: Start difference. First operand 3931 states and 10904 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-14 05:01:42,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:42,935 INFO L93 Difference]: Finished difference Result 3931 states and 10904 transitions. [2024-11-14 05:01:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:42,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2024-11-14 05:01:42,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:42,957 INFO L225 Difference]: With dead ends: 3931 [2024-11-14 05:01:42,958 INFO L226 Difference]: Without dead ends: 3823 [2024-11-14 05:01:42,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:42,961 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 46 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:42,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 267 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:42,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2024-11-14 05:01:43,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3823. [2024-11-14 05:01:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 3818 states have (on average 2.779203771608172) internal successors, (10611), 3822 states have internal predecessors, (10611), 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) [2024-11-14 05:01:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 10611 transitions. [2024-11-14 05:01:43,120 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 10611 transitions. Word has length 54 [2024-11-14 05:01:43,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:43,121 INFO L471 AbstractCegarLoop]: Abstraction has 3823 states and 10611 transitions. [2024-11-14 05:01:43,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-14 05:01:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 10611 transitions. [2024-11-14 05:01:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-14 05:01:43,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:43,125 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:43,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:01:43,125 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:43,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:43,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1935543467, now seen corresponding path program 1 times [2024-11-14 05:01:43,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:43,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187086938] [2024-11-14 05:01:43,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:43,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187086938] [2024-11-14 05:01:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187086938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:43,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:43,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:43,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719023869] [2024-11-14 05:01:43,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:43,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:43,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:43,211 INFO L87 Difference]: Start difference. First operand 3823 states and 10611 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-14 05:01:43,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:43,328 INFO L93 Difference]: Finished difference Result 3823 states and 10611 transitions. [2024-11-14 05:01:43,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:43,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2024-11-14 05:01:43,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:43,348 INFO L225 Difference]: With dead ends: 3823 [2024-11-14 05:01:43,348 INFO L226 Difference]: Without dead ends: 3717 [2024-11-14 05:01:43,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:43,351 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 42 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:43,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 259 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:43,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2024-11-14 05:01:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 3717. [2024-11-14 05:01:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3717 states, 3714 states have (on average 2.778675282714055) internal successors, (10320), 3716 states have internal predecessors, (10320), 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) [2024-11-14 05:01:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 3717 states and 10320 transitions. [2024-11-14 05:01:43,505 INFO L78 Accepts]: Start accepts. Automaton has 3717 states and 10320 transitions. Word has length 59 [2024-11-14 05:01:43,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:43,505 INFO L471 AbstractCegarLoop]: Abstraction has 3717 states and 10320 transitions. [2024-11-14 05:01:43,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-14 05:01:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3717 states and 10320 transitions. [2024-11-14 05:01:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 05:01:43,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:43,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:43,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:01:43,511 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:43,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:43,511 INFO L85 PathProgramCache]: Analyzing trace with hash 186323127, now seen corresponding path program 1 times [2024-11-14 05:01:43,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:43,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11115385] [2024-11-14 05:01:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:43,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:43,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:43,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11115385] [2024-11-14 05:01:43,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11115385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:43,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:43,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:43,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337717204] [2024-11-14 05:01:43,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:43,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:43,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:43,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:43,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:43,591 INFO L87 Difference]: Start difference. First operand 3717 states and 10320 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-14 05:01:43,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:43,690 INFO L93 Difference]: Finished difference Result 3717 states and 10320 transitions. [2024-11-14 05:01:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:43,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2024-11-14 05:01:43,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:43,705 INFO L225 Difference]: With dead ends: 3717 [2024-11-14 05:01:43,706 INFO L226 Difference]: Without dead ends: 3333 [2024-11-14 05:01:43,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:43,710 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 45 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:43,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 266 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:43,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2024-11-14 05:01:43,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3333. [2024-11-14 05:01:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3333 states, 3332 states have (on average 2.78031212484994) internal successors, (9264), 3332 states have internal predecessors, (9264), 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) [2024-11-14 05:01:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 9264 transitions. [2024-11-14 05:01:43,811 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 9264 transitions. Word has length 66 [2024-11-14 05:01:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:43,811 INFO L471 AbstractCegarLoop]: Abstraction has 3333 states and 9264 transitions. [2024-11-14 05:01:43,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-14 05:01:43,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 9264 transitions. [2024-11-14 05:01:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 05:01:43,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:43,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:43,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:01:43,818 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-14 05:01:43,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:43,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1503975827, now seen corresponding path program 1 times [2024-11-14 05:01:43,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:43,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904855640] [2024-11-14 05:01:43,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:43,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:01:43,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:43,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904855640] [2024-11-14 05:01:43,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904855640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:43,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:43,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:01:43,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103488244] [2024-11-14 05:01:43,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:43,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:43,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:43,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:43,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:43,890 INFO L87 Difference]: Start difference. First operand 3333 states and 9264 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-14 05:01:43,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:43,969 INFO L93 Difference]: Finished difference Result 3333 states and 9264 transitions. [2024-11-14 05:01:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:43,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2024-11-14 05:01:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:43,975 INFO L225 Difference]: With dead ends: 3333 [2024-11-14 05:01:43,975 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:01:43,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:01:43,983 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 41 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:43,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 252 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:01:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:01:43,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:01:43,984 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) [2024-11-14 05:01:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:01:43,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2024-11-14 05:01:43,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:43,989 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:01:43,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-14 05:01:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:01:43,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:01:43,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-14 05:01:43,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-14 05:01:43,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-14 05:01:43,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-14 05:01:43,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-14 05:01:43,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-14 05:01:43,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-14 05:01:43,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-14 05:01:43,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-14 05:01:43,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-14 05:01:43,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-14 05:01:43,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-14 05:01:43,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-14 05:01:43,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-14 05:01:43,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-14 05:01:43,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-14 05:01:43,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-14 05:01:43,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-14 05:01:43,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-14 05:01:43,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:01:44,003 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:44,008 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:01:44,008 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:01:44,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:01:44 BasicIcfg [2024-11-14 05:01:44,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:01:44,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:01:44,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:01:44,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:01:44,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:37" (3/4) ... [2024-11-14 05:01:44,017 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:01:44,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-14 05:01:44,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-14 05:01:44,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-14 05:01:44,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 05:01:44,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 05:01:44,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:01:44,107 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:01:44,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:01:44,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:01:44,109 INFO L158 Benchmark]: Toolchain (without parser) took 7325.57ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 117.9MB in the beginning and 288.2MB in the end (delta: -170.4MB). Peak memory consumption was 173.0MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,109 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:01:44,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.37ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.31ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:01:44,111 INFO L158 Benchmark]: Boogie Preprocessor took 43.21ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,112 INFO L158 Benchmark]: RCFGBuilder took 675.81ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 88.8MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,112 INFO L158 Benchmark]: TraceAbstraction took 6117.79ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 88.1MB in the beginning and 292.5MB in the end (delta: -204.4MB). Peak memory consumption was 139.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,113 INFO L158 Benchmark]: Witness Printer took 93.99ms. Allocated memory is still 486.5MB. Free memory was 292.5MB in the beginning and 288.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.37ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.31ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.21ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 675.81ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 88.8MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6117.79ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 88.1MB in the beginning and 292.5MB in the end (delta: -204.4MB). Peak memory consumption was 139.4MB. Max. memory is 16.1GB. * Witness Printer took 93.99ms. Allocated memory is still 486.5MB. Free memory was 292.5MB in the beginning and 288.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 82]: 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, 227 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 492 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 492 mSDsluCounter, 3032 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1229 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 248 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1803 mSDtfsCounter, 248 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4851occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 1810 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 530 ConstructedInterpolants, 0 QuantifiedInterpolants, 554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 05:01:44,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c88bdad0-a763-4211-9b81-57058c9d73a0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE