./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5-racy.i --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_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/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_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/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_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/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 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:40,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:40,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 05:50:40,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:40,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:40,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:40,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:40,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:40,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:40,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:40,683 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:40,683 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:40,683 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:40,683 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:50:40,683 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:40,683 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:40,684 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:50:40,684 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:50:40,684 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:40,684 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:50:40,685 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:50:40,685 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:50:40,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:40,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:40,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:50:40,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:50:40,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:50:40,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:40,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:40,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:40,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:40,687 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 05:50:40,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:40,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:50:40,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:50:40,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:40,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:40,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:40,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:40,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:40,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:40,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:40,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:40,688 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:50:40,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:50:40,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:40,689 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:40,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:50:40,689 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_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/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 -> 40fcfd4444bd180f6e5508f0972ed92e70894b01f23e03dc2e761819c6d5a859 [2024-11-14 05:50:40,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:40,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:40,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:40,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:40,995 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:40,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread/fib_safe-5-racy.i Unable to find full path for "g++" [2024-11-14 05:50:42,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:43,335 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:43,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/sv-benchmarks/c/pthread/fib_safe-5-racy.i [2024-11-14 05:50:43,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/data/a02311b74/8e0b5634de7e437ab1433a669f0d61ea/FLAG2cc37483b [2024-11-14 05:50:43,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/data/a02311b74/8e0b5634de7e437ab1433a669f0d61ea [2024-11-14 05:50:43,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:43,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:43,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:43,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:43,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:43,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:43" (1/1) ... [2024-11-14 05:50:43,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc6b2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:43, skipping insertion in model container [2024-11-14 05:50:43,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:43" (1/1) ... [2024-11-14 05:50:43,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:44,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:44,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:44,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:44,190 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:44,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44 WrapperNode [2024-11-14 05:50:44,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:44,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:44,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:44,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:44,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,263 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-14 05:50:44,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:44,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:44,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:44,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:44,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:44,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:44,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:44,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:44,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (1/1) ... [2024-11-14 05:50:44,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:44,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:44,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:44,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-14 05:50:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-14 05:50:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-14 05:50:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-14 05:50:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:50:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:50:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:50:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:44,415 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 05:50:44,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:44,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:50:44,989 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:50:44,989 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:50:45,065 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:50:45,065 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 05:50:45,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:45 BoogieIcfgContainer [2024-11-14 05:50:45,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:50:45,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:50:45,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:50:45,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:50:45,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:43" (1/3) ... [2024-11-14 05:50:45,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bb5641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:45, skipping insertion in model container [2024-11-14 05:50:45,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:44" (2/3) ... [2024-11-14 05:50:45,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bb5641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:45, skipping insertion in model container [2024-11-14 05:50:45,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:45" (3/3) ... [2024-11-14 05:50:45,077 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5-racy.i [2024-11-14 05:50:45,095 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:50:45,097 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_safe-5-racy.i that has 3 procedures, 180 locations, 1 initial locations, 3 loop locations, and 30 error locations. [2024-11-14 05:50:45,097 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:50:45,180 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:50:45,243 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 186 places, 188 transitions, 384 flow [2024-11-14 05:50:49,081 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 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 05:50:49,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:50:49,189 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;@75024106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:50:49,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-14 05:50:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 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 05:50:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 05:50:49,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:49,534 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] [2024-11-14 05:50:49,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:50:49,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:49,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1312725550, now seen corresponding path program 1 times [2024-11-14 05:50:49,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:50:49,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105560301] [2024-11-14 05:50:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:49,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:49,850 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 05:50:49,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:50:49,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105560301] [2024-11-14 05:50:49,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105560301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:49,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:49,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:50:49,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564736] [2024-11-14 05:50:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:49,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:50:49,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:50:49,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:50:49,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:50:50,040 INFO L87 Difference]: Start difference. First operand has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 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 05:50:52,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:52,484 INFO L93 Difference]: Finished difference Result 101501 states and 319117 transitions. [2024-11-14 05:50:52,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:50:52,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2024-11-14 05:50:52,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:53,266 INFO L225 Difference]: With dead ends: 101501 [2024-11-14 05:50:53,268 INFO L226 Difference]: Without dead ends: 57526 [2024-11-14 05:50:53,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:50:53,366 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:53,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:50:53,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57526 states. [2024-11-14 05:50:55,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57526 to 57526. [2024-11-14 05:50:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57526 states, 57128 states have (on average 3.028900014003641) internal successors, (173035), 57525 states have internal predecessors, (173035), 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 05:50:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57526 states to 57526 states and 173035 transitions. [2024-11-14 05:50:56,226 INFO L78 Accepts]: Start accepts. Automaton has 57526 states and 173035 transitions. Word has length 22 [2024-11-14 05:50:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:56,228 INFO L471 AbstractCegarLoop]: Abstraction has 57526 states and 173035 transitions. [2024-11-14 05:50:56,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 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 05:50:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 57526 states and 173035 transitions. [2024-11-14 05:50:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 05:50:56,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:56,232 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] [2024-11-14 05:50:56,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:50:56,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:50:56,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash 547883607, now seen corresponding path program 1 times [2024-11-14 05:50:56,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:50:56,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663717380] [2024-11-14 05:50:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:56,384 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 05:50:56,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:50:56,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663717380] [2024-11-14 05:50:56,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663717380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:56,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:56,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:50:56,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134453228] [2024-11-14 05:50:56,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:56,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:50:56,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:50:56,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:50:56,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:56,389 INFO L87 Difference]: Start difference. First operand 57526 states and 173035 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:50:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:57,731 INFO L93 Difference]: Finished difference Result 57526 states and 173035 transitions. [2024-11-14 05:50:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:50:57,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-14 05:50:57,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:58,167 INFO L225 Difference]: With dead ends: 57526 [2024-11-14 05:50:58,167 INFO L226 Difference]: Without dead ends: 55310 [2024-11-14 05:50:58,205 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 05:50:58,207 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 119 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 430 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 05:50:58,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 430 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:50:58,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55310 states. [2024-11-14 05:50:59,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55310 to 55310. [2024-11-14 05:51:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55310 states, 54992 states have (on average 3.0252945883037534) internal successors, (166367), 55309 states have internal predecessors, (166367), 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 05:51:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55310 states to 55310 states and 166367 transitions. [2024-11-14 05:51:00,423 INFO L78 Accepts]: Start accepts. Automaton has 55310 states and 166367 transitions. Word has length 32 [2024-11-14 05:51:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:00,424 INFO L471 AbstractCegarLoop]: Abstraction has 55310 states and 166367 transitions. [2024-11-14 05:51:00,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 55310 states and 166367 transitions. [2024-11-14 05:51:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 05:51:00,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:00,425 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] [2024-11-14 05:51:00,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:51:00,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:00,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1125317834, now seen corresponding path program 1 times [2024-11-14 05:51:00,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:00,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9881591] [2024-11-14 05:51:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:00,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:00,500 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 05:51:00,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:00,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9881591] [2024-11-14 05:51:00,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9881591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:00,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:00,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:00,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838066947] [2024-11-14 05:51:00,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:00,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:00,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:00,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:00,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:00,502 INFO L87 Difference]: Start difference. First operand 55310 states and 166367 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 05:51:02,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:02,098 INFO L93 Difference]: Finished difference Result 55310 states and 166367 transitions. [2024-11-14 05:51:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:02,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-14 05:51:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:02,426 INFO L225 Difference]: With dead ends: 55310 [2024-11-14 05:51:02,427 INFO L226 Difference]: Without dead ends: 50878 [2024-11-14 05:51:02,453 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 05:51:02,457 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 128 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:02,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 422 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:02,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50878 states. [2024-11-14 05:51:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50878 to 50878. [2024-11-14 05:51:04,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50878 states, 50720 states have (on average 3.0171727129337538) internal successors, (153031), 50877 states have internal predecessors, (153031), 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 05:51:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50878 states to 50878 states and 153031 transitions. [2024-11-14 05:51:04,446 INFO L78 Accepts]: Start accepts. Automaton has 50878 states and 153031 transitions. Word has length 35 [2024-11-14 05:51:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:04,447 INFO L471 AbstractCegarLoop]: Abstraction has 50878 states and 153031 transitions. [2024-11-14 05:51:04,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 05:51:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 50878 states and 153031 transitions. [2024-11-14 05:51:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-14 05:51:04,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:04,452 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] [2024-11-14 05:51:04,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:51:04,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:04,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:04,457 INFO L85 PathProgramCache]: Analyzing trace with hash -413067327, now seen corresponding path program 1 times [2024-11-14 05:51:04,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:04,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664054421] [2024-11-14 05:51:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:04,551 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 05:51:04,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:04,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664054421] [2024-11-14 05:51:04,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664054421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:04,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:04,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:04,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385912094] [2024-11-14 05:51:04,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:04,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:04,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:04,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:04,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:04,553 INFO L87 Difference]: Start difference. First operand 50878 states and 153031 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 05:51:05,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:05,305 INFO L93 Difference]: Finished difference Result 50878 states and 153031 transitions. [2024-11-14 05:51:05,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:05,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-14 05:51:05,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:05,592 INFO L225 Difference]: With dead ends: 50878 [2024-11-14 05:51:05,592 INFO L226 Difference]: Without dead ends: 48923 [2024-11-14 05:51:05,609 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 05:51:05,611 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 110 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:05,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 416 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48923 states. [2024-11-14 05:51:06,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48923 to 48923. [2024-11-14 05:51:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48923 states, 48797 states have (on average 3.015410783449802) internal successors, (147143), 48922 states have internal predecessors, (147143), 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 05:51:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48923 states to 48923 states and 147143 transitions. [2024-11-14 05:51:07,138 INFO L78 Accepts]: Start accepts. Automaton has 48923 states and 147143 transitions. Word has length 38 [2024-11-14 05:51:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:07,138 INFO L471 AbstractCegarLoop]: Abstraction has 48923 states and 147143 transitions. [2024-11-14 05:51:07,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 05:51:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 48923 states and 147143 transitions. [2024-11-14 05:51:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 05:51:07,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:07,142 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] [2024-11-14 05:51:07,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:51:07,142 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:07,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:07,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1987481941, now seen corresponding path program 1 times [2024-11-14 05:51:07,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:07,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972246991] [2024-11-14 05:51:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:07,206 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 05:51:07,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972246991] [2024-11-14 05:51:07,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972246991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:07,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:07,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910186824] [2024-11-14 05:51:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:07,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:07,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:07,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:07,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:07,212 INFO L87 Difference]: Start difference. First operand 48923 states and 147143 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 05:51:08,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:08,133 INFO L93 Difference]: Finished difference Result 48923 states and 147143 transitions. [2024-11-14 05:51:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:08,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2024-11-14 05:51:08,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:08,455 INFO L225 Difference]: With dead ends: 48923 [2024-11-14 05:51:08,455 INFO L226 Difference]: Without dead ends: 48348 [2024-11-14 05:51:08,486 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 05:51:08,487 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 49 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:08,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 350 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48348 states. [2024-11-14 05:51:09,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48348 to 48348. [2024-11-14 05:51:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48348 states, 48230 states have (on average 3.0150943396226415) internal successors, (145418), 48347 states have internal predecessors, (145418), 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 05:51:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48348 states to 48348 states and 145418 transitions. [2024-11-14 05:51:10,092 INFO L78 Accepts]: Start accepts. Automaton has 48348 states and 145418 transitions. Word has length 41 [2024-11-14 05:51:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:10,092 INFO L471 AbstractCegarLoop]: Abstraction has 48348 states and 145418 transitions. [2024-11-14 05:51:10,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 05:51:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 48348 states and 145418 transitions. [2024-11-14 05:51:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 05:51:10,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:10,094 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] [2024-11-14 05:51:10,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:51:10,094 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:10,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:10,095 INFO L85 PathProgramCache]: Analyzing trace with hash -606899330, now seen corresponding path program 1 times [2024-11-14 05:51:10,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:10,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394781427] [2024-11-14 05:51:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:10,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:10,149 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 05:51:10,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:10,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394781427] [2024-11-14 05:51:10,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394781427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:10,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:10,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:10,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040566457] [2024-11-14 05:51:10,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:10,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:10,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:10,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:10,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:10,151 INFO L87 Difference]: Start difference. First operand 48348 states and 145418 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 05:51:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:10,873 INFO L93 Difference]: Finished difference Result 48348 states and 145418 transitions. [2024-11-14 05:51:10,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:10,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2024-11-14 05:51:10,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:11,083 INFO L225 Difference]: With dead ends: 48348 [2024-11-14 05:51:11,083 INFO L226 Difference]: Without dead ends: 44484 [2024-11-14 05:51:11,108 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 05:51:11,109 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 118 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:11,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 405 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:11,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44484 states. [2024-11-14 05:51:12,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44484 to 44484. [2024-11-14 05:51:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44484 states, 44426 states have (on average 3.011299689371089) internal successors, (133780), 44483 states have internal predecessors, (133780), 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 05:51:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44484 states to 44484 states and 133780 transitions. [2024-11-14 05:51:12,451 INFO L78 Accepts]: Start accepts. Automaton has 44484 states and 133780 transitions. Word has length 41 [2024-11-14 05:51:12,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:12,452 INFO L471 AbstractCegarLoop]: Abstraction has 44484 states and 133780 transitions. [2024-11-14 05:51:12,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 05:51:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 44484 states and 133780 transitions. [2024-11-14 05:51:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 05:51:12,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:12,455 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] [2024-11-14 05:51:12,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:51:12,455 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:12,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:12,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1344962317, now seen corresponding path program 1 times [2024-11-14 05:51:12,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:12,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316352073] [2024-11-14 05:51:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:12,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:12,536 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 05:51:12,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:12,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316352073] [2024-11-14 05:51:12,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316352073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:12,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:12,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:12,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649623112] [2024-11-14 05:51:12,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:12,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:12,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:12,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:12,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:12,538 INFO L87 Difference]: Start difference. First operand 44484 states and 133780 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 05:51:13,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:13,423 INFO L93 Difference]: Finished difference Result 44484 states and 133780 transitions. [2024-11-14 05:51:13,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:13,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-14 05:51:13,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:13,700 INFO L225 Difference]: With dead ends: 44484 [2024-11-14 05:51:13,700 INFO L226 Difference]: Without dead ends: 43426 [2024-11-14 05:51:13,717 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 05:51:13,718 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 113 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:13,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:13,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43426 states. [2024-11-14 05:51:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43426 to 43426. [2024-11-14 05:51:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43426 states, 43376 states have (on average 3.0110199188491333) internal successors, (130606), 43425 states have internal predecessors, (130606), 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 05:51:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43426 states to 43426 states and 130606 transitions. [2024-11-14 05:51:15,684 INFO L78 Accepts]: Start accepts. Automaton has 43426 states and 130606 transitions. Word has length 44 [2024-11-14 05:51:15,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:15,685 INFO L471 AbstractCegarLoop]: Abstraction has 43426 states and 130606 transitions. [2024-11-14 05:51:15,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 05:51:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 43426 states and 130606 transitions. [2024-11-14 05:51:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 05:51:15,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:15,687 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] [2024-11-14 05:51:15,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:51:15,687 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:15,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1572796447, now seen corresponding path program 1 times [2024-11-14 05:51:15,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:15,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954349530] [2024-11-14 05:51:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:15,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:15,739 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 05:51:15,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:15,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954349530] [2024-11-14 05:51:15,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954349530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:15,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:15,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:15,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242006097] [2024-11-14 05:51:15,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:15,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:15,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:15,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:15,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:15,741 INFO L87 Difference]: Start difference. First operand 43426 states and 130606 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 05:51:16,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:16,077 INFO L93 Difference]: Finished difference Result 43426 states and 130606 transitions. [2024-11-14 05:51:16,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:16,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-14 05:51:16,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:16,294 INFO L225 Difference]: With dead ends: 43426 [2024-11-14 05:51:16,294 INFO L226 Difference]: Without dead ends: 40793 [2024-11-14 05:51:16,312 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 05:51:16,313 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 114 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:16,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 408 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:16,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40793 states. [2024-11-14 05:51:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40793 to 40793. [2024-11-14 05:51:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40793 states, 40769 states have (on average 3.0079962716770097) internal successors, (122633), 40792 states have internal predecessors, (122633), 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 05:51:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40793 states to 40793 states and 122633 transitions. [2024-11-14 05:51:17,494 INFO L78 Accepts]: Start accepts. Automaton has 40793 states and 122633 transitions. Word has length 44 [2024-11-14 05:51:17,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:17,495 INFO L471 AbstractCegarLoop]: Abstraction has 40793 states and 122633 transitions. [2024-11-14 05:51:17,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 05:51:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 40793 states and 122633 transitions. [2024-11-14 05:51:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 05:51:17,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:17,499 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] [2024-11-14 05:51:17,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:51:17,499 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:17,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash 22835821, now seen corresponding path program 1 times [2024-11-14 05:51:17,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:17,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662023716] [2024-11-14 05:51:17,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:17,570 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 05:51:17,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:17,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662023716] [2024-11-14 05:51:17,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662023716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:17,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:17,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:17,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095695653] [2024-11-14 05:51:17,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:17,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:17,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:17,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:17,575 INFO L87 Difference]: Start difference. First operand 40793 states and 122633 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 05:51:18,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:18,434 INFO L93 Difference]: Finished difference Result 73837 states and 222205 transitions. [2024-11-14 05:51:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:18,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2024-11-14 05:51:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:18,651 INFO L225 Difference]: With dead ends: 73837 [2024-11-14 05:51:18,651 INFO L226 Difference]: Without dead ends: 59515 [2024-11-14 05:51:18,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:51:18,683 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 101 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:18,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 280 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59515 states. [2024-11-14 05:51:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59515 to 42311. [2024-11-14 05:51:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42311 states, 42287 states have (on average 3.0077092250573463) internal successors, (127187), 42310 states have internal predecessors, (127187), 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 05:51:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42311 states to 42311 states and 127187 transitions. [2024-11-14 05:51:20,642 INFO L78 Accepts]: Start accepts. Automaton has 42311 states and 127187 transitions. Word has length 47 [2024-11-14 05:51:20,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:20,643 INFO L471 AbstractCegarLoop]: Abstraction has 42311 states and 127187 transitions. [2024-11-14 05:51:20,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 05:51:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 42311 states and 127187 transitions. [2024-11-14 05:51:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 05:51:20,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:20,648 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] [2024-11-14 05:51:20,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:51:20,649 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:20,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:20,651 INFO L85 PathProgramCache]: Analyzing trace with hash 22835276, now seen corresponding path program 1 times [2024-11-14 05:51:20,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:20,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079533170] [2024-11-14 05:51:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:20,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:20,732 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 05:51:20,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:20,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079533170] [2024-11-14 05:51:20,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079533170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:20,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:20,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:20,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65796181] [2024-11-14 05:51:20,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:20,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:20,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:20,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:20,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:20,734 INFO L87 Difference]: Start difference. First operand 42311 states and 127187 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 05:51:21,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:21,695 INFO L93 Difference]: Finished difference Result 42311 states and 127187 transitions. [2024-11-14 05:51:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:21,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2024-11-14 05:51:21,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:21,911 INFO L225 Difference]: With dead ends: 42311 [2024-11-14 05:51:21,911 INFO L226 Difference]: Without dead ends: 41299 [2024-11-14 05:51:21,920 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 05:51:21,921 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 88 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:21,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 299 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41299 states. [2024-11-14 05:51:22,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41299 to 41299. [2024-11-14 05:51:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41299 states, 41279 states have (on average 3.007606773419899) internal successors, (124151), 41298 states have internal predecessors, (124151), 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 05:51:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41299 states to 41299 states and 124151 transitions. [2024-11-14 05:51:23,262 INFO L78 Accepts]: Start accepts. Automaton has 41299 states and 124151 transitions. Word has length 47 [2024-11-14 05:51:23,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:23,262 INFO L471 AbstractCegarLoop]: Abstraction has 41299 states and 124151 transitions. [2024-11-14 05:51:23,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 05:51:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 41299 states and 124151 transitions. [2024-11-14 05:51:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-14 05:51:23,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:23,266 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] [2024-11-14 05:51:23,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:51:23,266 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:23,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 469878906, now seen corresponding path program 1 times [2024-11-14 05:51:23,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:23,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189333445] [2024-11-14 05:51:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:23,300 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 05:51:23,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:23,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189333445] [2024-11-14 05:51:23,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189333445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:23,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:23,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:23,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259656027] [2024-11-14 05:51:23,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:23,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:23,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:23,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:23,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:23,302 INFO L87 Difference]: Start difference. First operand 41299 states and 124151 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 05:51:23,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:23,718 INFO L93 Difference]: Finished difference Result 41299 states and 124151 transitions. [2024-11-14 05:51:23,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:23,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2024-11-14 05:51:23,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:23,892 INFO L225 Difference]: With dead ends: 41299 [2024-11-14 05:51:23,892 INFO L226 Difference]: Without dead ends: 40287 [2024-11-14 05:51:23,915 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 05:51:23,917 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 64 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:23,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 319 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:23,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40287 states. [2024-11-14 05:51:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40287 to 40287. [2024-11-14 05:51:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40287 states, 40271 states have (on average 3.0074991929676442) internal successors, (121115), 40286 states have internal predecessors, (121115), 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 05:51:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40287 states to 40287 states and 121115 transitions. [2024-11-14 05:51:25,242 INFO L78 Accepts]: Start accepts. Automaton has 40287 states and 121115 transitions. Word has length 49 [2024-11-14 05:51:25,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:25,243 INFO L471 AbstractCegarLoop]: Abstraction has 40287 states and 121115 transitions. [2024-11-14 05:51:25,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 05:51:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 40287 states and 121115 transitions. [2024-11-14 05:51:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 05:51:25,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:25,247 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] [2024-11-14 05:51:25,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:51:25,247 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:25,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:25,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1938967755, now seen corresponding path program 1 times [2024-11-14 05:51:25,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:25,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655086651] [2024-11-14 05:51:25,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:25,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:25,283 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 05:51:25,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:25,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655086651] [2024-11-14 05:51:25,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655086651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:25,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:25,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:25,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575565253] [2024-11-14 05:51:25,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:25,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:25,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:25,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:25,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:25,285 INFO L87 Difference]: Start difference. First operand 40287 states and 121115 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 05:51:25,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:25,966 INFO L93 Difference]: Finished difference Result 40287 states and 121115 transitions. [2024-11-14 05:51:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:25,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2024-11-14 05:51:25,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:26,104 INFO L225 Difference]: With dead ends: 40287 [2024-11-14 05:51:26,104 INFO L226 Difference]: Without dead ends: 33071 [2024-11-14 05:51:26,120 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 05:51:26,121 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 103 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 388 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 05:51:26,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 388 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33071 states. [2024-11-14 05:51:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33071 to 33071. [2024-11-14 05:51:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33071 states, 33064 states have (on average 2.995009678199855) internal successors, (99027), 33070 states have internal predecessors, (99027), 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 05:51:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33071 states to 33071 states and 99027 transitions. [2024-11-14 05:51:27,197 INFO L78 Accepts]: Start accepts. Automaton has 33071 states and 99027 transitions. Word has length 50 [2024-11-14 05:51:27,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:27,198 INFO L471 AbstractCegarLoop]: Abstraction has 33071 states and 99027 transitions. [2024-11-14 05:51:27,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 05:51:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 33071 states and 99027 transitions. [2024-11-14 05:51:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 05:51:27,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:27,207 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] [2024-11-14 05:51:27,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:51:27,207 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:27,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:27,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1030585671, now seen corresponding path program 1 times [2024-11-14 05:51:27,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:27,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443142244] [2024-11-14 05:51:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:27,485 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 05:51:27,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:27,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443142244] [2024-11-14 05:51:27,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443142244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:27,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:27,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:27,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128912022] [2024-11-14 05:51:27,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:27,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:27,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:27,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:27,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:27,486 INFO L87 Difference]: Start difference. First operand 33071 states and 99027 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 05:51:27,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:27,806 INFO L93 Difference]: Finished difference Result 33071 states and 99027 transitions. [2024-11-14 05:51:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:27,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2024-11-14 05:51:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:27,961 INFO L225 Difference]: With dead ends: 33071 [2024-11-14 05:51:27,961 INFO L226 Difference]: Without dead ends: 32587 [2024-11-14 05:51:27,973 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 05:51:27,974 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 45 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 302 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 05:51:27,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 302 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:28,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32587 states. [2024-11-14 05:51:28,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32587 to 32587. [2024-11-14 05:51:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32587 states, 32581 states have (on average 2.994843620515024) internal successors, (97575), 32586 states have internal predecessors, (97575), 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 05:51:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32587 states to 32587 states and 97575 transitions. [2024-11-14 05:51:29,094 INFO L78 Accepts]: Start accepts. Automaton has 32587 states and 97575 transitions. Word has length 53 [2024-11-14 05:51:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:29,094 INFO L471 AbstractCegarLoop]: Abstraction has 32587 states and 97575 transitions. [2024-11-14 05:51:29,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 05:51:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 32587 states and 97575 transitions. [2024-11-14 05:51:29,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 05:51:29,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:29,106 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] [2024-11-14 05:51:29,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:51:29,106 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:29,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash -684023188, now seen corresponding path program 1 times [2024-11-14 05:51:29,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:29,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803250167] [2024-11-14 05:51:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:29,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:29,152 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 05:51:29,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:29,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803250167] [2024-11-14 05:51:29,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803250167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:29,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:29,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:29,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732194837] [2024-11-14 05:51:29,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:29,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:29,154 INFO L87 Difference]: Start difference. First operand 32587 states and 97575 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 05:51:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:29,498 INFO L93 Difference]: Finished difference Result 32587 states and 97575 transitions. [2024-11-14 05:51:29,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:29,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2024-11-14 05:51:29,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:29,644 INFO L225 Difference]: With dead ends: 32587 [2024-11-14 05:51:29,644 INFO L226 Difference]: Without dead ends: 32103 [2024-11-14 05:51:29,656 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 05:51:29,657 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 45 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:29,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 299 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32103 states. [2024-11-14 05:51:30,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32103 to 32103. [2024-11-14 05:51:30,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32103 states, 32098 states have (on average 2.994672565268864) internal successors, (96123), 32102 states have internal predecessors, (96123), 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 05:51:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32103 states to 32103 states and 96123 transitions. [2024-11-14 05:51:30,681 INFO L78 Accepts]: Start accepts. Automaton has 32103 states and 96123 transitions. Word has length 60 [2024-11-14 05:51:30,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:30,681 INFO L471 AbstractCegarLoop]: Abstraction has 32103 states and 96123 transitions. [2024-11-14 05:51:30,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 05:51:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32103 states and 96123 transitions. [2024-11-14 05:51:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 05:51:30,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:30,698 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] [2024-11-14 05:51:30,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:51:30,699 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:30,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:30,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1885469575, now seen corresponding path program 1 times [2024-11-14 05:51:30,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:30,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187059832] [2024-11-14 05:51:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:30,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:30,783 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 05:51:30,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:30,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187059832] [2024-11-14 05:51:30,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187059832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:30,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:30,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:30,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59044755] [2024-11-14 05:51:30,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:30,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:30,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:30,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:30,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:30,786 INFO L87 Difference]: Start difference. First operand 32103 states and 96123 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 05:51:31,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:31,315 INFO L93 Difference]: Finished difference Result 35491 states and 106287 transitions. [2024-11-14 05:51:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:31,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-11-14 05:51:31,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:31,472 INFO L225 Difference]: With dead ends: 35491 [2024-11-14 05:51:31,472 INFO L226 Difference]: Without dead ends: 35007 [2024-11-14 05:51:31,486 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 05:51:31,487 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 281 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 05:51:31,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:31,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35007 states. [2024-11-14 05:51:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35007 to 31619. [2024-11-14 05:51:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31619 states, 31615 states have (on average 2.9944962834097737) internal successors, (94671), 31618 states have internal predecessors, (94671), 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 05:51:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31619 states to 31619 states and 94671 transitions. [2024-11-14 05:51:32,944 INFO L78 Accepts]: Start accepts. Automaton has 31619 states and 94671 transitions. Word has length 63 [2024-11-14 05:51:32,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:32,945 INFO L471 AbstractCegarLoop]: Abstraction has 31619 states and 94671 transitions. [2024-11-14 05:51:32,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 05:51:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 31619 states and 94671 transitions. [2024-11-14 05:51:32,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 05:51:32,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:32,963 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] [2024-11-14 05:51:32,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 05:51:32,964 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:32,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:32,965 INFO L85 PathProgramCache]: Analyzing trace with hash 821221772, now seen corresponding path program 1 times [2024-11-14 05:51:32,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:32,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342900346] [2024-11-14 05:51:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:33,016 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 05:51:33,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:33,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342900346] [2024-11-14 05:51:33,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342900346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:33,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:33,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:33,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785887607] [2024-11-14 05:51:33,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:33,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:33,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:33,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:33,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:33,018 INFO L87 Difference]: Start difference. First operand 31619 states and 94671 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 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 05:51:33,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:33,883 INFO L93 Difference]: Finished difference Result 31619 states and 94671 transitions. [2024-11-14 05:51:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:33,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 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 67 [2024-11-14 05:51:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:34,014 INFO L225 Difference]: With dead ends: 31619 [2024-11-14 05:51:34,014 INFO L226 Difference]: Without dead ends: 31135 [2024-11-14 05:51:34,022 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 05:51:34,023 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:34,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:34,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31135 states. [2024-11-14 05:51:34,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31135 to 31135. [2024-11-14 05:51:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31135 states, 31132 states have (on average 2.994314531671592) internal successors, (93219), 31134 states have internal predecessors, (93219), 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 05:51:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31135 states to 31135 states and 93219 transitions. [2024-11-14 05:51:34,793 INFO L78 Accepts]: Start accepts. Automaton has 31135 states and 93219 transitions. Word has length 67 [2024-11-14 05:51:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:34,793 INFO L471 AbstractCegarLoop]: Abstraction has 31135 states and 93219 transitions. [2024-11-14 05:51:34,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 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 05:51:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 31135 states and 93219 transitions. [2024-11-14 05:51:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 05:51:34,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:34,817 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, 1, 1, 1, 1] [2024-11-14 05:51:34,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 05:51:34,818 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:34,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:34,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1486328027, now seen corresponding path program 1 times [2024-11-14 05:51:34,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:34,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542986256] [2024-11-14 05:51:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:34,872 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 05:51:34,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542986256] [2024-11-14 05:51:34,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542986256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:34,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:34,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:51:34,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443934854] [2024-11-14 05:51:34,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:34,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:34,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:34,875 INFO L87 Difference]: Start difference. First operand 31135 states and 93219 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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 05:51:35,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:35,491 INFO L93 Difference]: Finished difference Result 31135 states and 93219 transitions. [2024-11-14 05:51:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:35,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2024-11-14 05:51:35,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:35,630 INFO L225 Difference]: With dead ends: 31135 [2024-11-14 05:51:35,630 INFO L226 Difference]: Without dead ends: 30651 [2024-11-14 05:51:35,642 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 05:51:35,643 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:35,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 290 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30651 states. [2024-11-14 05:51:36,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30651 to 30651. [2024-11-14 05:51:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30651 states, 30649 states have (on average 2.994127051453555) internal successors, (91767), 30650 states have internal predecessors, (91767), 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 05:51:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30651 states to 30651 states and 91767 transitions. [2024-11-14 05:51:36,799 INFO L78 Accepts]: Start accepts. Automaton has 30651 states and 91767 transitions. Word has length 75 [2024-11-14 05:51:36,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:36,799 INFO L471 AbstractCegarLoop]: Abstraction has 30651 states and 91767 transitions. [2024-11-14 05:51:36,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 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 05:51:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30651 states and 91767 transitions. [2024-11-14 05:51:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 05:51:36,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:36,835 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:36,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 05:51:36,835 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-14 05:51:36,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash 850859623, now seen corresponding path program 1 times [2024-11-14 05:51:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:36,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507398207] [2024-11-14 05:51:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:37,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:37,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507398207] [2024-11-14 05:51:37,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507398207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:37,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841751383] [2024-11-14 05:51:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:37,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:37,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:51:37,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8325176c-12cf-4526-ab1f-06d1ec0f7c8d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:51:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:37,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:51:37,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:51:37,228 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:51:37,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841751383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:37,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:51:37,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 05:51:37,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317071726] [2024-11-14 05:51:37,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:37,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:37,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:37,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:37,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:37,231 INFO L87 Difference]: Start difference. First operand 30651 states and 91767 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 05:51:38,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:38,365 INFO L93 Difference]: Finished difference Result 50059 states and 149681 transitions. [2024-11-14 05:51:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:38,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 90 [2024-11-14 05:51:38,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:38,579 INFO L225 Difference]: With dead ends: 50059 [2024-11-14 05:51:38,580 INFO L226 Difference]: Without dead ends: 49575 [2024-11-14 05:51:38,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:38,593 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 100 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:38,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 345 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:38,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49575 states.