./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh --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 43c4691e367ff0d8a9949fa90f15eddbc091ab75ed1546de74dafe83c2376639 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:47:46,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:47:47,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 13:47:47,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:47:47,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:47:47,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:47:47,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:47:47,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:47:47,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:47:47,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:47:47,079 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:47:47,079 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:47:47,080 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:47:47,081 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:47:47,081 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:47:47,082 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:47:47,082 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:47:47,083 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:47:47,083 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:47:47,084 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:47:47,084 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:47:47,085 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:47:47,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:47:47,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:47:47,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:47:47,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:47:47,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:47:47,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:47:47,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:47:47,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:47:47,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:47:47,090 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 13:47:47,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 13:47:47,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:47:47,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:47:47,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:47:47,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:47:47,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:47:47,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:47:47,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:47:47,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:47:47,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:47:47,093 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:47:47,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:47:47,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:47:47,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:47:47,094 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:47:47,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:47:47,094 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c4691e367ff0d8a9949fa90f15eddbc091ab75ed1546de74dafe83c2376639 [2023-12-02 13:47:47,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:47:47,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:47:47,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:47:47,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:47:47,342 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:47:47,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i [2023-12-02 13:47:50,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:47:50,434 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:47:50,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i [2023-12-02 13:47:50,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/data/6fa0b319f/ca9745d2124240049dbb061dd885c7d9/FLAGf7c2ab6a9 [2023-12-02 13:47:50,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/data/6fa0b319f/ca9745d2124240049dbb061dd885c7d9 [2023-12-02 13:47:50,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:47:50,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:47:50,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:47:50,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:47:50,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:47:50,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:47:50" (1/1) ... [2023-12-02 13:47:50,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626f1048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:50, skipping insertion in model container [2023-12-02 13:47:50,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:47:50" (1/1) ... [2023-12-02 13:47:50,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:47:51,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:47:51,100 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:47:51,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:47:51,220 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:47:51,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51 WrapperNode [2023-12-02 13:47:51,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:47:51,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:47:51,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:47:51,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:47:51,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,330 INFO L138 Inliner]: procedures = 277, calls = 109, calls flagged for inlining = 27, calls inlined = 29, statements flattened = 959 [2023-12-02 13:47:51,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:47:51,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:47:51,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:47:51,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:47:51,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:47:51,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:47:51,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:47:51,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:47:51,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (1/1) ... [2023-12-02 13:47:51,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:47:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:47:51,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:47:51,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6d4acb-a2fc-43ad-9074-a37fab552a0d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:47:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2023-12-02 13:47:51,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2023-12-02 13:47:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:47:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:47:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:47:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:47:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:47:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:47:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:47:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:47:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:47:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:47:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:47:51,523 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 13:47:51,691 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:47:51,693 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:47:53,104 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:47:53,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:47:53,161 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 13:47:53,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:47:53 BoogieIcfgContainer [2023-12-02 13:47:53,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:47:53,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:47:53,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:47:53,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:47:53,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:47:50" (1/3) ... [2023-12-02 13:47:53,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d3363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:47:53, skipping insertion in model container [2023-12-02 13:47:53,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:47:51" (2/3) ... [2023-12-02 13:47:53,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d3363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:47:53, skipping insertion in model container [2023-12-02 13:47:53,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:47:53" (3/3) ... [2023-12-02 13:47:53,172 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.i [2023-12-02 13:47:53,181 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 13:47:53,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:47:53,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 97 error locations. [2023-12-02 13:47:53,189 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 13:47:53,375 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 13:47:53,423 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 1115 places, 1154 transitions, 2315 flow [2023-12-02 13:47:55,526 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 106035 states, 105068 states have (on average 2.07813987132143) internal successors, (218346), 106034 states have internal predecessors, (218346), 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) [2023-12-02 13:47:55,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:47:55,554 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@1311332d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:47:55,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2023-12-02 13:47:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 106035 states, 105068 states have (on average 2.07813987132143) internal successors, (218346), 106034 states have internal predecessors, (218346), 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) [2023-12-02 13:47:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 13:47:55,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:55,759 INFO L195 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] [2023-12-02 13:47:55,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:47:55,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:55,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1557154243, now seen corresponding path program 1 times [2023-12-02 13:47:55,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:55,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188979100] [2023-12-02 13:47:55,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:55,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:56,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:56,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188979100] [2023-12-02 13:47:56,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188979100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:56,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:56,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:47:56,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619543974] [2023-12-02 13:47:56,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:56,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:47:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:56,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:47:56,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:47:56,595 INFO L87 Difference]: Start difference. First operand has 106035 states, 105068 states have (on average 2.07813987132143) internal successors, (218346), 106034 states have internal predecessors, (218346), 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 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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) [2023-12-02 13:47:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:59,108 INFO L93 Difference]: Finished difference Result 103372 states and 209363 transitions. [2023-12-02 13:47:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:47:59,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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 [2023-12-02 13:47:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:59,657 INFO L225 Difference]: With dead ends: 103372 [2023-12-02 13:47:59,658 INFO L226 Difference]: Without dead ends: 103267 [2023-12-02 13:47:59,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:47:59,663 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 5 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:59,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2563 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:47:59,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103267 states. [2023-12-02 13:48:02,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103267 to 103267. [2023-12-02 13:48:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103267 states, 102181 states have (on average 2.0469754651060375) internal successors, (209162), 103266 states have internal predecessors, (209162), 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) [2023-12-02 13:48:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103267 states to 103267 states and 209162 transitions. [2023-12-02 13:48:02,796 INFO L78 Accepts]: Start accepts. Automaton has 103267 states and 209162 transitions. Word has length 32 [2023-12-02 13:48:02,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:02,797 INFO L495 AbstractCegarLoop]: Abstraction has 103267 states and 209162 transitions. [2023-12-02 13:48:02,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 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) [2023-12-02 13:48:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 103267 states and 209162 transitions. [2023-12-02 13:48:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 13:48:02,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:02,799 INFO L195 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] [2023-12-02 13:48:02,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:48:02,799 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:02,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:02,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1531372479, now seen corresponding path program 1 times [2023-12-02 13:48:02,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:02,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802425240] [2023-12-02 13:48:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:02,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:03,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802425240] [2023-12-02 13:48:03,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802425240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:03,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:03,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:03,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765403817] [2023-12-02 13:48:03,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:03,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:03,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:03,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:03,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:03,247 INFO L87 Difference]: Start difference. First operand 103267 states and 209162 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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) [2023-12-02 13:48:05,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:05,119 INFO L93 Difference]: Finished difference Result 103266 states and 209161 transitions. [2023-12-02 13:48:05,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:05,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 39 [2023-12-02 13:48:05,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:05,339 INFO L225 Difference]: With dead ends: 103266 [2023-12-02 13:48:05,340 INFO L226 Difference]: Without dead ends: 103266 [2023-12-02 13:48:05,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:05,342 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 4 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:05,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2533 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 13:48:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103266 states. [2023-12-02 13:48:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103266 to 103266. [2023-12-02 13:48:07,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103266 states, 102181 states have (on average 2.046965678550807) internal successors, (209161), 103265 states have internal predecessors, (209161), 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) [2023-12-02 13:48:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103266 states to 103266 states and 209161 transitions. [2023-12-02 13:48:07,634 INFO L78 Accepts]: Start accepts. Automaton has 103266 states and 209161 transitions. Word has length 39 [2023-12-02 13:48:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:07,635 INFO L495 AbstractCegarLoop]: Abstraction has 103266 states and 209161 transitions. [2023-12-02 13:48:07,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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) [2023-12-02 13:48:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 103266 states and 209161 transitions. [2023-12-02 13:48:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 13:48:07,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:07,636 INFO L195 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] [2023-12-02 13:48:07,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:48:07,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:07,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:07,637 INFO L85 PathProgramCache]: Analyzing trace with hash -238906416, now seen corresponding path program 1 times [2023-12-02 13:48:07,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:07,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266759755] [2023-12-02 13:48:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:07,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:07,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266759755] [2023-12-02 13:48:07,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266759755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:07,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:07,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304693721] [2023-12-02 13:48:07,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:07,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:07,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:07,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:07,977 INFO L87 Difference]: Start difference. First operand 103266 states and 209161 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:09,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:09,557 INFO L93 Difference]: Finished difference Result 103265 states and 209160 transitions. [2023-12-02 13:48:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:09,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-12-02 13:48:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:09,793 INFO L225 Difference]: With dead ends: 103265 [2023-12-02 13:48:09,793 INFO L226 Difference]: Without dead ends: 103265 [2023-12-02 13:48:09,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:09,795 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 2 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:09,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2047 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:48:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103265 states. [2023-12-02 13:48:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103265 to 103265. [2023-12-02 13:48:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103265 states, 102181 states have (on average 2.0469558919955766) internal successors, (209160), 103264 states have internal predecessors, (209160), 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) [2023-12-02 13:48:11,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103265 states to 103265 states and 209160 transitions. [2023-12-02 13:48:11,805 INFO L78 Accepts]: Start accepts. Automaton has 103265 states and 209160 transitions. Word has length 48 [2023-12-02 13:48:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:11,806 INFO L495 AbstractCegarLoop]: Abstraction has 103265 states and 209160 transitions. [2023-12-02 13:48:11,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 103265 states and 209160 transitions. [2023-12-02 13:48:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 13:48:11,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:11,808 INFO L195 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] [2023-12-02 13:48:11,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:48:11,809 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:11,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:11,809 INFO L85 PathProgramCache]: Analyzing trace with hash 478767037, now seen corresponding path program 1 times [2023-12-02 13:48:11,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:11,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131142171] [2023-12-02 13:48:11,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:12,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:12,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:12,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131142171] [2023-12-02 13:48:12,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131142171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:12,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974778299] [2023-12-02 13:48:12,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:12,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:12,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:12,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:12,413 INFO L87 Difference]: Start difference. First operand 103265 states and 209160 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 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) [2023-12-02 13:48:13,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:13,466 INFO L93 Difference]: Finished difference Result 103264 states and 209159 transitions. [2023-12-02 13:48:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:13,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 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 [2023-12-02 13:48:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:13,756 INFO L225 Difference]: With dead ends: 103264 [2023-12-02 13:48:13,756 INFO L226 Difference]: Without dead ends: 103264 [2023-12-02 13:48:13,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:13,758 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 28 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:13,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1548 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 13:48:14,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103264 states. [2023-12-02 13:48:15,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103264 to 103264. [2023-12-02 13:48:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103264 states, 102181 states have (on average 2.046946105440346) internal successors, (209159), 103263 states have internal predecessors, (209159), 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) [2023-12-02 13:48:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103264 states to 103264 states and 209159 transitions. [2023-12-02 13:48:15,917 INFO L78 Accepts]: Start accepts. Automaton has 103264 states and 209159 transitions. Word has length 60 [2023-12-02 13:48:15,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:15,917 INFO L495 AbstractCegarLoop]: Abstraction has 103264 states and 209159 transitions. [2023-12-02 13:48:15,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 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) [2023-12-02 13:48:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 103264 states and 209159 transitions. [2023-12-02 13:48:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 13:48:15,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:15,919 INFO L195 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] [2023-12-02 13:48:15,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:48:15,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:15,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:15,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1104737937, now seen corresponding path program 1 times [2023-12-02 13:48:15,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:15,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764814582] [2023-12-02 13:48:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:15,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:16,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764814582] [2023-12-02 13:48:16,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764814582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:16,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:16,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:16,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774310934] [2023-12-02 13:48:16,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:16,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:16,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:16,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:16,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:16,637 INFO L87 Difference]: Start difference. First operand 103264 states and 209159 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 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) [2023-12-02 13:48:17,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:17,867 INFO L93 Difference]: Finished difference Result 103263 states and 209158 transitions. [2023-12-02 13:48:17,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:17,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 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 [2023-12-02 13:48:17,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:18,325 INFO L225 Difference]: With dead ends: 103263 [2023-12-02 13:48:18,326 INFO L226 Difference]: Without dead ends: 103263 [2023-12-02 13:48:18,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:18,327 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 4 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:18,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2039 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 13:48:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103263 states. [2023-12-02 13:48:20,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103263 to 103263. [2023-12-02 13:48:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103263 states, 102181 states have (on average 2.0469363188851157) internal successors, (209158), 103262 states have internal predecessors, (209158), 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) [2023-12-02 13:48:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103263 states to 103263 states and 209158 transitions. [2023-12-02 13:48:20,322 INFO L78 Accepts]: Start accepts. Automaton has 103263 states and 209158 transitions. Word has length 67 [2023-12-02 13:48:20,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:20,323 INFO L495 AbstractCegarLoop]: Abstraction has 103263 states and 209158 transitions. [2023-12-02 13:48:20,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 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) [2023-12-02 13:48:20,323 INFO L276 IsEmpty]: Start isEmpty. Operand 103263 states and 209158 transitions. [2023-12-02 13:48:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 13:48:20,324 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:20,324 INFO L195 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, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:20,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:48:20,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:20,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:20,325 INFO L85 PathProgramCache]: Analyzing trace with hash 881565350, now seen corresponding path program 1 times [2023-12-02 13:48:20,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:20,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038710140] [2023-12-02 13:48:20,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:20,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:20,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:20,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038710140] [2023-12-02 13:48:20,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038710140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:20,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:20,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:20,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464958852] [2023-12-02 13:48:20,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:20,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:20,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:21,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:21,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:21,000 INFO L87 Difference]: Start difference. First operand 103263 states and 209158 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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) [2023-12-02 13:48:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:23,687 INFO L93 Difference]: Finished difference Result 139733 states and 283204 transitions. [2023-12-02 13:48:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:23,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2023-12-02 13:48:23,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:23,969 INFO L225 Difference]: With dead ends: 139733 [2023-12-02 13:48:23,969 INFO L226 Difference]: Without dead ends: 139733 [2023-12-02 13:48:23,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:23,970 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 594 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 3160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:23,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 2834 Invalid, 3160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:48:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139733 states. [2023-12-02 13:48:26,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139733 to 111045. [2023-12-02 13:48:26,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111045 states, 109969 states have (on average 2.044430703198174) internal successors, (224824), 111044 states have internal predecessors, (224824), 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) [2023-12-02 13:48:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111045 states to 111045 states and 224824 transitions. [2023-12-02 13:48:26,858 INFO L78 Accepts]: Start accepts. Automaton has 111045 states and 224824 transitions. Word has length 81 [2023-12-02 13:48:26,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:26,858 INFO L495 AbstractCegarLoop]: Abstraction has 111045 states and 224824 transitions. [2023-12-02 13:48:26,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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) [2023-12-02 13:48:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 111045 states and 224824 transitions. [2023-12-02 13:48:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 13:48:26,860 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:26,860 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:26,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 13:48:26,861 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:26,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1598939357, now seen corresponding path program 1 times [2023-12-02 13:48:26,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:26,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154829335] [2023-12-02 13:48:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:27,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154829335] [2023-12-02 13:48:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154829335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:27,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:27,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:27,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519606370] [2023-12-02 13:48:27,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:27,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:27,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:27,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:27,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:27,271 INFO L87 Difference]: Start difference. First operand 111045 states and 224824 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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) [2023-12-02 13:48:29,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:29,867 INFO L93 Difference]: Finished difference Result 139067 states and 281866 transitions. [2023-12-02 13:48:29,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:29,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 87 [2023-12-02 13:48:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:30,146 INFO L225 Difference]: With dead ends: 139067 [2023-12-02 13:48:30,146 INFO L226 Difference]: Without dead ends: 139067 [2023-12-02 13:48:30,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:30,147 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 720 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 2481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:30,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 2371 Invalid, 2481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 2118 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:48:30,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139067 states. [2023-12-02 13:48:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139067 to 113639. [2023-12-02 13:48:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113639 states, 112565 states have (on average 2.0436725447519213) internal successors, (230046), 113638 states have internal predecessors, (230046), 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) [2023-12-02 13:48:32,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113639 states to 113639 states and 230046 transitions. [2023-12-02 13:48:32,763 INFO L78 Accepts]: Start accepts. Automaton has 113639 states and 230046 transitions. Word has length 87 [2023-12-02 13:48:32,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:32,764 INFO L495 AbstractCegarLoop]: Abstraction has 113639 states and 230046 transitions. [2023-12-02 13:48:32,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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) [2023-12-02 13:48:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 113639 states and 230046 transitions. [2023-12-02 13:48:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 13:48:32,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:32,765 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:32,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 13:48:32,766 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:32,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:32,766 INFO L85 PathProgramCache]: Analyzing trace with hash -835625376, now seen corresponding path program 1 times [2023-12-02 13:48:32,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:32,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049187375] [2023-12-02 13:48:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:32,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:33,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:33,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049187375] [2023-12-02 13:48:33,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049187375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:33,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:33,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:33,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790038541] [2023-12-02 13:48:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:33,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:33,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:33,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:33,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:33,211 INFO L87 Difference]: Start difference. First operand 113639 states and 230046 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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) [2023-12-02 13:48:35,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:35,890 INFO L93 Difference]: Finished difference Result 128025 states and 258988 transitions. [2023-12-02 13:48:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:35,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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 101 [2023-12-02 13:48:35,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:36,140 INFO L225 Difference]: With dead ends: 128025 [2023-12-02 13:48:36,141 INFO L226 Difference]: Without dead ends: 128025 [2023-12-02 13:48:36,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:36,142 INFO L413 NwaCegarLoop]: 1309 mSDtfsCounter, 492 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 3082 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:36,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 3082 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:48:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128025 states. [2023-12-02 13:48:38,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128025 to 116233. [2023-12-02 13:48:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116233 states, 115161 states have (on average 2.0429485676574535) internal successors, (235268), 116232 states have internal predecessors, (235268), 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) [2023-12-02 13:48:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116233 states to 116233 states and 235268 transitions. [2023-12-02 13:48:38,508 INFO L78 Accepts]: Start accepts. Automaton has 116233 states and 235268 transitions. Word has length 101 [2023-12-02 13:48:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:38,508 INFO L495 AbstractCegarLoop]: Abstraction has 116233 states and 235268 transitions. [2023-12-02 13:48:38,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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) [2023-12-02 13:48:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 116233 states and 235268 transitions. [2023-12-02 13:48:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 13:48:38,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:38,510 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:38,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 13:48:38,510 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:38,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:38,511 INFO L85 PathProgramCache]: Analyzing trace with hash -132885351, now seen corresponding path program 1 times [2023-12-02 13:48:38,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:38,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332557951] [2023-12-02 13:48:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:39,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:39,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332557951] [2023-12-02 13:48:39,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332557951] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:39,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:39,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:39,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860717607] [2023-12-02 13:48:39,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:39,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:39,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:39,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:39,297 INFO L87 Difference]: Start difference. First operand 116233 states and 235268 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 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) [2023-12-02 13:48:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:41,558 INFO L93 Difference]: Finished difference Result 123475 states and 249830 transitions. [2023-12-02 13:48:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:41,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 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 113 [2023-12-02 13:48:41,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:41,836 INFO L225 Difference]: With dead ends: 123475 [2023-12-02 13:48:41,836 INFO L226 Difference]: Without dead ends: 123475 [2023-12-02 13:48:41,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:41,837 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 516 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:41,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2627 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 13:48:42,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123475 states. [2023-12-02 13:48:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123475 to 118827. [2023-12-02 13:48:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118827 states, 117757 states have (on average 2.042256511290199) internal successors, (240490), 118826 states have internal predecessors, (240490), 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) [2023-12-02 13:48:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118827 states to 118827 states and 240490 transitions. [2023-12-02 13:48:44,218 INFO L78 Accepts]: Start accepts. Automaton has 118827 states and 240490 transitions. Word has length 113 [2023-12-02 13:48:44,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:44,219 INFO L495 AbstractCegarLoop]: Abstraction has 118827 states and 240490 transitions. [2023-12-02 13:48:44,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 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) [2023-12-02 13:48:44,219 INFO L276 IsEmpty]: Start isEmpty. Operand 118827 states and 240490 transitions. [2023-12-02 13:48:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 13:48:44,220 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:44,221 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:44,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 13:48:44,221 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting pusherErr0ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:44,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1497624508, now seen corresponding path program 1 times [2023-12-02 13:48:44,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:44,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125507071] [2023-12-02 13:48:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:44,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:44,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:44,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125507071] [2023-12-02 13:48:44,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125507071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:44,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:44,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:44,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561514269] [2023-12-02 13:48:44,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:44,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:44,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:44,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:44,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:44,749 INFO L87 Difference]: Start difference. First operand 118827 states and 240490 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 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) [2023-12-02 13:48:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:48,570 INFO L93 Difference]: Finished difference Result 164709 states and 334202 transitions. [2023-12-02 13:48:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:48,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 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 127 [2023-12-02 13:48:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:49,187 INFO L225 Difference]: With dead ends: 164709 [2023-12-02 13:48:49,187 INFO L226 Difference]: Without dead ends: 164709 [2023-12-02 13:48:49,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:49,188 INFO L413 NwaCegarLoop]: 2152 mSDtfsCounter, 1752 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 3075 mSolverCounterSat, 1008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 3489 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1008 IncrementalHoareTripleChecker+Valid, 3075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:49,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 3489 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1008 Valid, 3075 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 13:48:49,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164709 states. [2023-12-02 13:48:51,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164709 to 130092. [2023-12-02 13:48:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130092 states, 129142 states have (on average 2.038221492620526) internal successors, (263220), 130091 states have internal predecessors, (263220), 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) [2023-12-02 13:48:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130092 states to 130092 states and 263220 transitions. [2023-12-02 13:48:52,058 INFO L78 Accepts]: Start accepts. Automaton has 130092 states and 263220 transitions. Word has length 127 [2023-12-02 13:48:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:52,059 INFO L495 AbstractCegarLoop]: Abstraction has 130092 states and 263220 transitions. [2023-12-02 13:48:52,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 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) [2023-12-02 13:48:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 130092 states and 263220 transitions. [2023-12-02 13:48:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 13:48:52,063 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:52,063 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:52,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 13:48:52,063 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:52,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1954280819, now seen corresponding path program 1 times [2023-12-02 13:48:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587320982] [2023-12-02 13:48:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:52,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:52,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:52,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587320982] [2023-12-02 13:48:52,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587320982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:52,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:52,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:52,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40897627] [2023-12-02 13:48:52,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:52,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:48:52,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:52,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:48:52,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:48:52,264 INFO L87 Difference]: Start difference. First operand 130092 states and 263220 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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) [2023-12-02 13:48:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:52,856 INFO L93 Difference]: Finished difference Result 130092 states and 263034 transitions. [2023-12-02 13:48:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:48:52,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 132 [2023-12-02 13:48:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:53,120 INFO L225 Difference]: With dead ends: 130092 [2023-12-02 13:48:53,120 INFO L226 Difference]: Without dead ends: 130092 [2023-12-02 13:48:53,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:48:53,121 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 1068 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 4644 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:53,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 4644 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:48:53,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130092 states. [2023-12-02 13:48:55,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130092 to 130092. [2023-12-02 13:48:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130092 states, 129142 states have (on average 2.036781217574453) internal successors, (263034), 130091 states have internal predecessors, (263034), 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) [2023-12-02 13:48:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130092 states to 130092 states and 263034 transitions. [2023-12-02 13:48:56,070 INFO L78 Accepts]: Start accepts. Automaton has 130092 states and 263034 transitions. Word has length 132 [2023-12-02 13:48:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:56,070 INFO L495 AbstractCegarLoop]: Abstraction has 130092 states and 263034 transitions. [2023-12-02 13:48:56,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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) [2023-12-02 13:48:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 130092 states and 263034 transitions. [2023-12-02 13:48:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 13:48:56,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:56,073 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:56,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 13:48:56,073 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting pusherErr1ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:48:56,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:56,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1454039768, now seen corresponding path program 1 times [2023-12-02 13:48:56,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:56,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854738356] [2023-12-02 13:48:56,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:57,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854738356] [2023-12-02 13:48:57,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854738356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:57,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:57,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:48:57,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315653258] [2023-12-02 13:48:57,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:57,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:48:57,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:57,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:48:57,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:48:57,003 INFO L87 Difference]: Start difference. First operand 130092 states and 263034 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-12-02 13:49:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:00,925 INFO L93 Difference]: Finished difference Result 137691 states and 278943 transitions. [2023-12-02 13:49:00,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:00,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 133 [2023-12-02 13:49:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:01,440 INFO L225 Difference]: With dead ends: 137691 [2023-12-02 13:49:01,440 INFO L226 Difference]: Without dead ends: 137691 [2023-12-02 13:49:01,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:01,441 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 1607 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 4549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 879 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:01,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 4005 Invalid, 4549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [879 Valid, 3670 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 13:49:01,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137691 states. [2023-12-02 13:49:03,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137691 to 132345. [2023-12-02 13:49:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132345 states, 131419 states have (on average 2.036052625571645) internal successors, (267576), 132344 states have internal predecessors, (267576), 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) [2023-12-02 13:49:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132345 states to 132345 states and 267576 transitions. [2023-12-02 13:49:03,944 INFO L78 Accepts]: Start accepts. Automaton has 132345 states and 267576 transitions. Word has length 133 [2023-12-02 13:49:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:03,945 INFO L495 AbstractCegarLoop]: Abstraction has 132345 states and 267576 transitions. [2023-12-02 13:49:03,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-12-02 13:49:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 132345 states and 267576 transitions. [2023-12-02 13:49:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:49:03,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:03,984 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:03,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 13:49:03,985 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:03,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:03,986 INFO L85 PathProgramCache]: Analyzing trace with hash -93861661, now seen corresponding path program 1 times [2023-12-02 13:49:03,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:03,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100830139] [2023-12-02 13:49:03,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:04,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:04,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100830139] [2023-12-02 13:49:04,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100830139] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:04,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:04,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:49:04,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41184521] [2023-12-02 13:49:04,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:04,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:49:04,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:04,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:49:04,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:49:04,160 INFO L87 Difference]: Start difference. First operand 132345 states and 267576 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-12-02 13:49:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:05,050 INFO L93 Difference]: Finished difference Result 240261 states and 486038 transitions. [2023-12-02 13:49:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:49:05,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 154 [2023-12-02 13:49:05,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:05,548 INFO L225 Difference]: With dead ends: 240261 [2023-12-02 13:49:05,548 INFO L226 Difference]: Without dead ends: 240261 [2023-12-02 13:49:05,548 INFO L412 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 [2023-12-02 13:49:05,549 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 718 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:05,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 2268 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:49:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240261 states. [2023-12-02 13:49:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240261 to 132505. [2023-12-02 13:49:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132505 states, 131579 states have (on average 2.036023985590406) internal successors, (267898), 132504 states have internal predecessors, (267898), 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) [2023-12-02 13:49:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132505 states to 132505 states and 267898 transitions. [2023-12-02 13:49:09,183 INFO L78 Accepts]: Start accepts. Automaton has 132505 states and 267898 transitions. Word has length 154 [2023-12-02 13:49:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:09,184 INFO L495 AbstractCegarLoop]: Abstraction has 132505 states and 267898 transitions. [2023-12-02 13:49:09,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-12-02 13:49:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 132505 states and 267898 transitions. [2023-12-02 13:49:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 13:49:09,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:09,190 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:09,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 13:49:09,190 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting pusherErr3ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:09,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1709088029, now seen corresponding path program 1 times [2023-12-02 13:49:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:09,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547924088] [2023-12-02 13:49:09,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:09,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:09,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:09,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547924088] [2023-12-02 13:49:09,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547924088] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:09,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:09,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:49:09,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44635735] [2023-12-02 13:49:09,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:09,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:49:09,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:09,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:49:09,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:09,802 INFO L87 Difference]: Start difference. First operand 132505 states and 267898 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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) [2023-12-02 13:49:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:15,210 INFO L93 Difference]: Finished difference Result 140727 states and 284459 transitions. [2023-12-02 13:49:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:15,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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 155 [2023-12-02 13:49:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:15,479 INFO L225 Difference]: With dead ends: 140727 [2023-12-02 13:49:15,479 INFO L226 Difference]: Without dead ends: 140727 [2023-12-02 13:49:15,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:15,479 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1597 mSDsluCounter, 2871 mSDsCounter, 0 mSdLazyCounter, 6473 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 5039 SdHoareTripleChecker+Invalid, 6478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:15,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 5039 Invalid, 6478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6473 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 13:49:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140727 states. [2023-12-02 13:49:17,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140727 to 134949. [2023-12-02 13:49:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134949 states, 134023 states have (on average 2.0356356744737845) internal successors, (272822), 134948 states have internal predecessors, (272822), 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) [2023-12-02 13:49:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134949 states to 134949 states and 272822 transitions. [2023-12-02 13:49:18,078 INFO L78 Accepts]: Start accepts. Automaton has 134949 states and 272822 transitions. Word has length 155 [2023-12-02 13:49:18,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:18,078 INFO L495 AbstractCegarLoop]: Abstraction has 134949 states and 272822 transitions. [2023-12-02 13:49:18,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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) [2023-12-02 13:49:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 134949 states and 272822 transitions. [2023-12-02 13:49:18,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 13:49:18,082 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:18,083 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:18,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 13:49:18,083 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting pusherErr7ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:18,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:18,083 INFO L85 PathProgramCache]: Analyzing trace with hash -508928351, now seen corresponding path program 1 times [2023-12-02 13:49:18,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:18,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069176702] [2023-12-02 13:49:18,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:18,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:18,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:18,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069176702] [2023-12-02 13:49:18,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069176702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:18,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:18,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:49:18,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055178632] [2023-12-02 13:49:18,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:18,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:49:18,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:18,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:49:18,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:18,834 INFO L87 Difference]: Start difference. First operand 134949 states and 272822 transitions. Second operand has 6 states, 5 states have (on average 31.4) internal successors, (157), 6 states have internal predecessors, (157), 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) [2023-12-02 13:49:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:22,383 INFO L93 Difference]: Finished difference Result 143611 states and 290281 transitions. [2023-12-02 13:49:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:22,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.4) internal successors, (157), 6 states have internal predecessors, (157), 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 157 [2023-12-02 13:49:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:22,927 INFO L225 Difference]: With dead ends: 143611 [2023-12-02 13:49:22,927 INFO L226 Difference]: Without dead ends: 143611 [2023-12-02 13:49:22,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:22,928 INFO L413 NwaCegarLoop]: 2177 mSDtfsCounter, 1613 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 3683 mSolverCounterSat, 878 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 4561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 878 IncrementalHoareTripleChecker+Valid, 3683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:22,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 3991 Invalid, 4561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [878 Valid, 3683 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 13:49:23,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143611 states. [2023-12-02 13:49:25,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143611 to 139453. [2023-12-02 13:49:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139453 states, 138575 states have (on average 2.034291899693307) internal successors, (281902), 139452 states have internal predecessors, (281902), 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) [2023-12-02 13:49:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139453 states to 139453 states and 281902 transitions. [2023-12-02 13:49:25,541 INFO L78 Accepts]: Start accepts. Automaton has 139453 states and 281902 transitions. Word has length 157 [2023-12-02 13:49:25,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:25,541 INFO L495 AbstractCegarLoop]: Abstraction has 139453 states and 281902 transitions. [2023-12-02 13:49:25,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.4) internal successors, (157), 6 states have internal predecessors, (157), 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) [2023-12-02 13:49:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 139453 states and 281902 transitions. [2023-12-02 13:49:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 13:49:25,547 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:25,547 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:25,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 13:49:25,547 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting pusherErr4ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:25,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1275412752, now seen corresponding path program 1 times [2023-12-02 13:49:25,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:25,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159627323] [2023-12-02 13:49:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:25,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:26,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:26,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159627323] [2023-12-02 13:49:26,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159627323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:26,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:26,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:49:26,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012067520] [2023-12-02 13:49:26,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:26,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:49:26,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:26,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:49:26,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:26,370 INFO L87 Difference]: Start difference. First operand 139453 states and 281902 transitions. Second operand has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 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) [2023-12-02 13:49:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:31,139 INFO L93 Difference]: Finished difference Result 143277 states and 289604 transitions. [2023-12-02 13:49:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:31,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 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 162 [2023-12-02 13:49:31,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:31,415 INFO L225 Difference]: With dead ends: 143277 [2023-12-02 13:49:31,415 INFO L226 Difference]: Without dead ends: 143277 [2023-12-02 13:49:31,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:31,416 INFO L413 NwaCegarLoop]: 2184 mSDtfsCounter, 1596 mSDsluCounter, 2589 mSDsCounter, 0 mSdLazyCounter, 6368 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 4773 SdHoareTripleChecker+Invalid, 6370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:31,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 4773 Invalid, 6370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6368 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 13:49:31,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143277 states. [2023-12-02 13:49:33,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143277 to 141897. [2023-12-02 13:49:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141897 states, 141019 states have (on average 2.0339528715988626) internal successors, (286826), 141896 states have internal predecessors, (286826), 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) [2023-12-02 13:49:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141897 states to 141897 states and 286826 transitions. [2023-12-02 13:49:34,077 INFO L78 Accepts]: Start accepts. Automaton has 141897 states and 286826 transitions. Word has length 162 [2023-12-02 13:49:34,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:34,077 INFO L495 AbstractCegarLoop]: Abstraction has 141897 states and 286826 transitions. [2023-12-02 13:49:34,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 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) [2023-12-02 13:49:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 141897 states and 286826 transitions. [2023-12-02 13:49:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 13:49:34,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:34,082 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:34,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 13:49:34,082 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:34,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:34,082 INFO L85 PathProgramCache]: Analyzing trace with hash 992333819, now seen corresponding path program 1 times [2023-12-02 13:49:34,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:34,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673767454] [2023-12-02 13:49:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:34,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:34,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:34,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673767454] [2023-12-02 13:49:34,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673767454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:34,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:34,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:49:34,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105677552] [2023-12-02 13:49:34,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:34,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:49:34,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:34,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:49:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:34,476 INFO L87 Difference]: Start difference. First operand 141897 states and 286826 transitions. Second operand has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 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) [2023-12-02 13:49:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:37,365 INFO L93 Difference]: Finished difference Result 165336 states and 334320 transitions. [2023-12-02 13:49:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:37,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 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 162 [2023-12-02 13:49:37,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:37,699 INFO L225 Difference]: With dead ends: 165336 [2023-12-02 13:49:37,700 INFO L226 Difference]: Without dead ends: 165336 [2023-12-02 13:49:37,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:37,700 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 514 mSDsluCounter, 1848 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 3017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:37,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 3135 Invalid, 3017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2811 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:49:38,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165336 states. [2023-12-02 13:49:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165336 to 144197. [2023-12-02 13:49:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144197 states, 143351 states have (on average 2.0331773060529748) internal successors, (291458), 144196 states have internal predecessors, (291458), 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) [2023-12-02 13:49:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144197 states to 144197 states and 291458 transitions. [2023-12-02 13:49:40,604 INFO L78 Accepts]: Start accepts. Automaton has 144197 states and 291458 transitions. Word has length 162 [2023-12-02 13:49:40,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:40,604 INFO L495 AbstractCegarLoop]: Abstraction has 144197 states and 291458 transitions. [2023-12-02 13:49:40,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 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) [2023-12-02 13:49:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 144197 states and 291458 transitions. [2023-12-02 13:49:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 13:49:40,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:40,608 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:40,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 13:49:40,608 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting pusherErr8ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:40,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:40,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1598763790, now seen corresponding path program 1 times [2023-12-02 13:49:40,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:40,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265259308] [2023-12-02 13:49:40,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:40,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:41,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:41,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265259308] [2023-12-02 13:49:41,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265259308] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:41,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:41,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:49:41,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149886870] [2023-12-02 13:49:41,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:41,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:49:41,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:41,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:49:41,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:41,046 INFO L87 Difference]: Start difference. First operand 144197 states and 291458 transitions. Second operand has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 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) [2023-12-02 13:49:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:46,384 INFO L93 Difference]: Finished difference Result 147339 states and 297787 transitions. [2023-12-02 13:49:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:46,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 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 164 [2023-12-02 13:49:46,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:46,927 INFO L225 Difference]: With dead ends: 147339 [2023-12-02 13:49:46,927 INFO L226 Difference]: Without dead ends: 147339 [2023-12-02 13:49:46,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:46,928 INFO L413 NwaCegarLoop]: 2184 mSDtfsCounter, 1593 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 6594 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 5343 SdHoareTripleChecker+Invalid, 6595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:46,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 5343 Invalid, 6595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6594 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 13:49:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147339 states. [2023-12-02 13:49:49,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147339 to 146637. [2023-12-02 13:49:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146637 states, 145791 states have (on average 2.0328689699638525) internal successors, (296374), 146636 states have internal predecessors, (296374), 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) [2023-12-02 13:49:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146637 states to 146637 states and 296374 transitions. [2023-12-02 13:49:49,803 INFO L78 Accepts]: Start accepts. Automaton has 146637 states and 296374 transitions. Word has length 164 [2023-12-02 13:49:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:49,804 INFO L495 AbstractCegarLoop]: Abstraction has 146637 states and 296374 transitions. [2023-12-02 13:49:49,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 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) [2023-12-02 13:49:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 146637 states and 296374 transitions. [2023-12-02 13:49:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 13:49:49,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:49,812 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:49,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 13:49:49,813 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting pusherErr5ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:49,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:49,813 INFO L85 PathProgramCache]: Analyzing trace with hash -704277169, now seen corresponding path program 1 times [2023-12-02 13:49:49,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:49,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258038217] [2023-12-02 13:49:49,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:50,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:50,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258038217] [2023-12-02 13:49:50,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258038217] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:50,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:49:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568736363] [2023-12-02 13:49:50,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:50,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:49:50,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:49:50,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:50,458 INFO L87 Difference]: Start difference. First operand 146637 states and 296374 transitions. Second operand has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 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) [2023-12-02 13:49:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:54,731 INFO L93 Difference]: Finished difference Result 149779 states and 302703 transitions. [2023-12-02 13:49:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:49:54,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 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 171 [2023-12-02 13:49:54,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:55,278 INFO L225 Difference]: With dead ends: 149779 [2023-12-02 13:49:55,278 INFO L226 Difference]: Without dead ends: 149779 [2023-12-02 13:49:55,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:55,279 INFO L413 NwaCegarLoop]: 2184 mSDtfsCounter, 1594 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 4868 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 4286 SdHoareTripleChecker+Invalid, 4870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:55,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 4286 Invalid, 4870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4868 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 13:49:55,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149779 states. [2023-12-02 13:49:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149779 to 149077. [2023-12-02 13:49:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149077 states, 148231 states have (on average 2.0325707847886068) internal successors, (301290), 149076 states have internal predecessors, (301290), 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) [2023-12-02 13:49:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149077 states to 149077 states and 301290 transitions. [2023-12-02 13:49:58,039 INFO L78 Accepts]: Start accepts. Automaton has 149077 states and 301290 transitions. Word has length 171 [2023-12-02 13:49:58,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:58,039 INFO L495 AbstractCegarLoop]: Abstraction has 149077 states and 301290 transitions. [2023-12-02 13:49:58,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 6 states have internal predecessors, (171), 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) [2023-12-02 13:49:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 149077 states and 301290 transitions. [2023-12-02 13:49:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:49:58,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:58,046 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:58,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 13:49:58,046 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:49:58,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:58,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1616346435, now seen corresponding path program 1 times [2023-12-02 13:49:58,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:58,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442951752] [2023-12-02 13:49:58,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:58,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:09,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:09,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442951752] [2023-12-02 13:50:09,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442951752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:09,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:09,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2023-12-02 13:50:09,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237341238] [2023-12-02 13:50:09,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:09,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-02 13:50:09,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:09,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-02 13:50:09,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1353, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 13:50:09,696 INFO L87 Difference]: Start difference. First operand 149077 states and 301290 transitions. Second operand has 39 states, 38 states have (on average 4.526315789473684) internal successors, (172), 39 states have internal predecessors, (172), 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) [2023-12-02 13:50:35,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:35,610 INFO L93 Difference]: Finished difference Result 385693 states and 780458 transitions. [2023-12-02 13:50:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 13:50:35,611 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.526315789473684) internal successors, (172), 39 states have internal predecessors, (172), 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 172 [2023-12-02 13:50:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:36,458 INFO L225 Difference]: With dead ends: 385693 [2023-12-02 13:50:36,458 INFO L226 Difference]: Without dead ends: 385693 [2023-12-02 13:50:36,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=926, Invalid=4774, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:50:36,461 INFO L413 NwaCegarLoop]: 2061 mSDtfsCounter, 9712 mSDsluCounter, 31535 mSDsCounter, 0 mSdLazyCounter, 25966 mSolverCounterSat, 1682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9712 SdHoareTripleChecker+Valid, 33596 SdHoareTripleChecker+Invalid, 27648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1682 IncrementalHoareTripleChecker+Valid, 25966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:36,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9712 Valid, 33596 Invalid, 27648 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1682 Valid, 25966 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2023-12-02 13:50:37,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385693 states. [2023-12-02 13:50:40,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385693 to 154311. [2023-12-02 13:50:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154311 states, 153465 states have (on average 2.0350307887792005) internal successors, (312306), 154310 states have internal predecessors, (312306), 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) [2023-12-02 13:50:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154311 states to 154311 states and 312306 transitions. [2023-12-02 13:50:41,288 INFO L78 Accepts]: Start accepts. Automaton has 154311 states and 312306 transitions. Word has length 172 [2023-12-02 13:50:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:41,289 INFO L495 AbstractCegarLoop]: Abstraction has 154311 states and 312306 transitions. [2023-12-02 13:50:41,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.526315789473684) internal successors, (172), 39 states have internal predecessors, (172), 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) [2023-12-02 13:50:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 154311 states and 312306 transitions. [2023-12-02 13:50:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:50:41,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:41,298 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:41,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 13:50:41,298 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:50:41,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1755922237, now seen corresponding path program 2 times [2023-12-02 13:50:41,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:41,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863931861] [2023-12-02 13:50:41,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:41,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:50,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:50,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863931861] [2023-12-02 13:50:50,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863931861] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:50,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:50,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:50:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300746907] [2023-12-02 13:50:50,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:50,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:50:50,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:50,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:50:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1292, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:50:50,644 INFO L87 Difference]: Start difference. First operand 154311 states and 312306 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:51:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:18,633 INFO L93 Difference]: Finished difference Result 388949 states and 787496 transitions. [2023-12-02 13:51:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:51:18,634 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:51:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:19,469 INFO L225 Difference]: With dead ends: 388949 [2023-12-02 13:51:19,469 INFO L226 Difference]: Without dead ends: 388949 [2023-12-02 13:51:19,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1769 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1175, Invalid=5965, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 13:51:19,473 INFO L413 NwaCegarLoop]: 2060 mSDtfsCounter, 9131 mSDsluCounter, 37398 mSDsCounter, 0 mSdLazyCounter, 31110 mSolverCounterSat, 1375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9131 SdHoareTripleChecker+Valid, 39458 SdHoareTripleChecker+Invalid, 32485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1375 IncrementalHoareTripleChecker+Valid, 31110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:19,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9131 Valid, 39458 Invalid, 32485 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1375 Valid, 31110 Invalid, 0 Unknown, 0 Unchecked, 21.3s Time] [2023-12-02 13:51:20,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388949 states. [2023-12-02 13:51:23,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388949 to 154313. [2023-12-02 13:51:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154313 states, 153467 states have (on average 2.0350303322538394) internal successors, (312310), 154312 states have internal predecessors, (312310), 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) [2023-12-02 13:51:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154313 states to 154313 states and 312310 transitions. [2023-12-02 13:51:24,160 INFO L78 Accepts]: Start accepts. Automaton has 154313 states and 312310 transitions. Word has length 172 [2023-12-02 13:51:24,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:24,160 INFO L495 AbstractCegarLoop]: Abstraction has 154313 states and 312310 transitions. [2023-12-02 13:51:24,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:51:24,161 INFO L276 IsEmpty]: Start isEmpty. Operand 154313 states and 312310 transitions. [2023-12-02 13:51:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:51:24,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:24,169 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:24,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 13:51:24,170 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:51:24,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:24,170 INFO L85 PathProgramCache]: Analyzing trace with hash -635205297, now seen corresponding path program 3 times [2023-12-02 13:51:24,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:24,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043705106] [2023-12-02 13:51:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:33,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:33,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043705106] [2023-12-02 13:51:33,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043705106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:33,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:33,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:51:33,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635696060] [2023-12-02 13:51:33,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:33,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:51:33,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:33,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:51:33,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1294, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:51:33,231 INFO L87 Difference]: Start difference. First operand 154313 states and 312310 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:52:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:02,138 INFO L93 Difference]: Finished difference Result 388113 states and 785796 transitions. [2023-12-02 13:52:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:52:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:52:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:02,930 INFO L225 Difference]: With dead ends: 388113 [2023-12-02 13:52:02,931 INFO L226 Difference]: Without dead ends: 388113 [2023-12-02 13:52:02,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1681 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1270, Invalid=5870, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 13:52:02,933 INFO L413 NwaCegarLoop]: 2070 mSDtfsCounter, 9283 mSDsluCounter, 34581 mSDsCounter, 0 mSdLazyCounter, 29538 mSolverCounterSat, 1627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9283 SdHoareTripleChecker+Valid, 36651 SdHoareTripleChecker+Invalid, 31165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1627 IncrementalHoareTripleChecker+Valid, 29538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:02,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9283 Valid, 36651 Invalid, 31165 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1627 Valid, 29538 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2023-12-02 13:52:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388113 states. [2023-12-02 13:52:06,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388113 to 154431. [2023-12-02 13:52:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154431 states, 153585 states have (on average 2.0350815509327083) internal successors, (312558), 154430 states have internal predecessors, (312558), 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) [2023-12-02 13:52:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154431 states to 154431 states and 312558 transitions. [2023-12-02 13:52:07,409 INFO L78 Accepts]: Start accepts. Automaton has 154431 states and 312558 transitions. Word has length 172 [2023-12-02 13:52:07,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:07,409 INFO L495 AbstractCegarLoop]: Abstraction has 154431 states and 312558 transitions. [2023-12-02 13:52:07,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:52:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 154431 states and 312558 transitions. [2023-12-02 13:52:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:52:07,418 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:07,418 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:07,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 13:52:07,418 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:52:07,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1356708381, now seen corresponding path program 4 times [2023-12-02 13:52:07,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:07,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516808689] [2023-12-02 13:52:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:17,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:17,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516808689] [2023-12-02 13:52:17,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516808689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:17,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:17,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:52:17,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647763897] [2023-12-02 13:52:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:17,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:52:17,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:52:17,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1293, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:52:17,390 INFO L87 Difference]: Start difference. First operand 154431 states and 312558 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:52:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:49,782 INFO L93 Difference]: Finished difference Result 448243 states and 908534 transitions. [2023-12-02 13:52:49,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 13:52:49,782 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:52:49,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:51,119 INFO L225 Difference]: With dead ends: 448243 [2023-12-02 13:52:51,120 INFO L226 Difference]: Without dead ends: 448243 [2023-12-02 13:52:51,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2418 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1414, Invalid=7516, Unknown=0, NotChecked=0, Total=8930 [2023-12-02 13:52:51,123 INFO L413 NwaCegarLoop]: 1774 mSDtfsCounter, 11392 mSDsluCounter, 24044 mSDsCounter, 0 mSdLazyCounter, 32509 mSolverCounterSat, 1913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11392 SdHoareTripleChecker+Valid, 25818 SdHoareTripleChecker+Invalid, 34422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1913 IncrementalHoareTripleChecker+Valid, 32509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:51,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11392 Valid, 25818 Invalid, 34422 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1913 Valid, 32509 Invalid, 0 Unknown, 0 Unchecked, 24.8s Time] [2023-12-02 13:52:51,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448243 states. [2023-12-02 13:52:55,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448243 to 154435. [2023-12-02 13:52:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154435 states, 153589 states have (on average 2.035080637285222) internal successors, (312566), 154434 states have internal predecessors, (312566), 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) [2023-12-02 13:52:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154435 states to 154435 states and 312566 transitions. [2023-12-02 13:52:55,860 INFO L78 Accepts]: Start accepts. Automaton has 154435 states and 312566 transitions. Word has length 172 [2023-12-02 13:52:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:55,860 INFO L495 AbstractCegarLoop]: Abstraction has 154435 states and 312566 transitions. [2023-12-02 13:52:55,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:52:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 154435 states and 312566 transitions. [2023-12-02 13:52:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:52:55,869 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:55,869 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:55,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 13:52:55,869 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:52:55,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:55,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1034419153, now seen corresponding path program 5 times [2023-12-02 13:52:55,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:55,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073015575] [2023-12-02 13:52:55,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:55,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:05,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:05,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073015575] [2023-12-02 13:53:05,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073015575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:05,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:05,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:53:05,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126557824] [2023-12-02 13:53:05,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:05,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:53:05,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:53:05,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1296, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:53:05,686 INFO L87 Difference]: Start difference. First operand 154435 states and 312566 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:53:46,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:46,012 INFO L93 Difference]: Finished difference Result 448743 states and 909530 transitions. [2023-12-02 13:53:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-12-02 13:53:46,012 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:53:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:47,014 INFO L225 Difference]: With dead ends: 448743 [2023-12-02 13:53:47,014 INFO L226 Difference]: Without dead ends: 448743 [2023-12-02 13:53:47,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2647 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1587, Invalid=8115, Unknown=0, NotChecked=0, Total=9702 [2023-12-02 13:53:47,018 INFO L413 NwaCegarLoop]: 1784 mSDtfsCounter, 10592 mSDsluCounter, 33036 mSDsCounter, 0 mSdLazyCounter, 42569 mSolverCounterSat, 1663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10592 SdHoareTripleChecker+Valid, 34820 SdHoareTripleChecker+Invalid, 44232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 42569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:47,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10592 Valid, 34820 Invalid, 44232 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1663 Valid, 42569 Invalid, 0 Unknown, 0 Unchecked, 31.4s Time] [2023-12-02 13:53:48,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448743 states. [2023-12-02 13:53:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448743 to 154501. [2023-12-02 13:53:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154501 states, 153655 states have (on average 2.0350655689694443) internal successors, (312698), 154500 states have internal predecessors, (312698), 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) [2023-12-02 13:53:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154501 states to 154501 states and 312698 transitions. [2023-12-02 13:53:52,236 INFO L78 Accepts]: Start accepts. Automaton has 154501 states and 312698 transitions. Word has length 172 [2023-12-02 13:53:52,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:52,237 INFO L495 AbstractCegarLoop]: Abstraction has 154501 states and 312698 transitions. [2023-12-02 13:53:52,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:53:52,237 INFO L276 IsEmpty]: Start isEmpty. Operand 154501 states and 312698 transitions. [2023-12-02 13:53:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:53:52,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:52,254 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:52,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 13:53:52,255 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:53:52,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash 124079031, now seen corresponding path program 6 times [2023-12-02 13:53:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:52,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104406826] [2023-12-02 13:53:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:52,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:01,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:01,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104406826] [2023-12-02 13:54:01,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104406826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:01,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:01,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:54:01,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181104235] [2023-12-02 13:54:01,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:01,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:54:01,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:01,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:54:01,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1295, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:54:01,638 INFO L87 Difference]: Start difference. First operand 154501 states and 312698 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:54:37,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:37,956 INFO L93 Difference]: Finished difference Result 445005 states and 901560 transitions. [2023-12-02 13:54:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-12-02 13:54:37,956 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:54:37,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:39,257 INFO L225 Difference]: With dead ends: 445005 [2023-12-02 13:54:39,257 INFO L226 Difference]: Without dead ends: 445005 [2023-12-02 13:54:39,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2201 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=1456, Invalid=7100, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 13:54:39,261 INFO L413 NwaCegarLoop]: 1787 mSDtfsCounter, 10469 mSDsluCounter, 28374 mSDsCounter, 0 mSdLazyCounter, 37114 mSolverCounterSat, 1470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10469 SdHoareTripleChecker+Valid, 30161 SdHoareTripleChecker+Invalid, 38584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 37114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:39,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10469 Valid, 30161 Invalid, 38584 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1470 Valid, 37114 Invalid, 0 Unknown, 0 Unchecked, 28.1s Time] [2023-12-02 13:54:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445005 states. [2023-12-02 13:54:43,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445005 to 154761. [2023-12-02 13:54:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154761 states, 153915 states have (on average 2.0354611311438133) internal successors, (313288), 154760 states have internal predecessors, (313288), 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) [2023-12-02 13:54:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154761 states to 154761 states and 313288 transitions. [2023-12-02 13:54:44,072 INFO L78 Accepts]: Start accepts. Automaton has 154761 states and 313288 transitions. Word has length 172 [2023-12-02 13:54:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:44,072 INFO L495 AbstractCegarLoop]: Abstraction has 154761 states and 313288 transitions. [2023-12-02 13:54:44,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:54:44,073 INFO L276 IsEmpty]: Start isEmpty. Operand 154761 states and 313288 transitions. [2023-12-02 13:54:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:54:44,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:44,081 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:44,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 13:54:44,082 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:54:44,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:44,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1456901449, now seen corresponding path program 7 times [2023-12-02 13:54:44,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:44,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846098297] [2023-12-02 13:54:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:44,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:53,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:53,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846098297] [2023-12-02 13:54:53,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846098297] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:53,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:53,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:54:53,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739715252] [2023-12-02 13:54:53,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:53,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:54:53,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:53,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:54:53,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1296, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:54:53,451 INFO L87 Difference]: Start difference. First operand 154761 states and 313288 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:55:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:32,706 INFO L93 Difference]: Finished difference Result 442089 states and 895552 transitions. [2023-12-02 13:55:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-12-02 13:55:32,707 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:55:32,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:33,683 INFO L225 Difference]: With dead ends: 442089 [2023-12-02 13:55:33,683 INFO L226 Difference]: Without dead ends: 442089 [2023-12-02 13:55:33,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2634 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1573, Invalid=8129, Unknown=0, NotChecked=0, Total=9702 [2023-12-02 13:55:33,686 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 10379 mSDsluCounter, 36546 mSDsCounter, 0 mSdLazyCounter, 44689 mSolverCounterSat, 1812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10379 SdHoareTripleChecker+Valid, 38331 SdHoareTripleChecker+Invalid, 46501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1812 IncrementalHoareTripleChecker+Valid, 44689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:33,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10379 Valid, 38331 Invalid, 46501 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1812 Valid, 44689 Invalid, 0 Unknown, 0 Unchecked, 30.9s Time] [2023-12-02 13:55:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442089 states. [2023-12-02 13:55:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442089 to 154701. [2023-12-02 13:55:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154701 states, 153855 states have (on average 2.0350589841084137) internal successors, (313104), 154700 states have internal predecessors, (313104), 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) [2023-12-02 13:55:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154701 states to 154701 states and 313104 transitions. [2023-12-02 13:55:38,744 INFO L78 Accepts]: Start accepts. Automaton has 154701 states and 313104 transitions. Word has length 172 [2023-12-02 13:55:38,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:38,744 INFO L495 AbstractCegarLoop]: Abstraction has 154701 states and 313104 transitions. [2023-12-02 13:55:38,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:55:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 154701 states and 313104 transitions. [2023-12-02 13:55:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:55:38,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:38,752 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:38,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 13:55:38,752 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:55:38,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:38,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925949, now seen corresponding path program 8 times [2023-12-02 13:55:38,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:38,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146628229] [2023-12-02 13:55:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:38,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:45,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:45,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146628229] [2023-12-02 13:55:45,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146628229] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:45,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:45,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:55:45,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930836570] [2023-12-02 13:55:45,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:45,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:55:45,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:45,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:55:45,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1292, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:55:45,021 INFO L87 Difference]: Start difference. First operand 154701 states and 313104 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:56:14,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:14,322 INFO L93 Difference]: Finished difference Result 392253 states and 794458 transitions. [2023-12-02 13:56:14,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:56:14,323 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:56:14,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:15,273 INFO L225 Difference]: With dead ends: 392253 [2023-12-02 13:56:15,274 INFO L226 Difference]: Without dead ends: 392253 [2023-12-02 13:56:15,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2194 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1328, Invalid=6862, Unknown=0, NotChecked=0, Total=8190 [2023-12-02 13:56:15,275 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 9180 mSDsluCounter, 39514 mSDsCounter, 0 mSdLazyCounter, 31390 mSolverCounterSat, 1418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9180 SdHoareTripleChecker+Valid, 41548 SdHoareTripleChecker+Invalid, 32808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 31390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:15,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9180 Valid, 41548 Invalid, 32808 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1418 Valid, 31390 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2023-12-02 13:56:15,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392253 states. [2023-12-02 13:56:19,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392253 to 154707. [2023-12-02 13:56:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154707 states, 153861 states have (on average 2.0350576169399655) internal successors, (313116), 154706 states have internal predecessors, (313116), 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) [2023-12-02 13:56:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154707 states to 154707 states and 313116 transitions. [2023-12-02 13:56:20,111 INFO L78 Accepts]: Start accepts. Automaton has 154707 states and 313116 transitions. Word has length 172 [2023-12-02 13:56:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:20,111 INFO L495 AbstractCegarLoop]: Abstraction has 154707 states and 313116 transitions. [2023-12-02 13:56:20,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:56:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 154707 states and 313116 transitions. [2023-12-02 13:56:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:56:20,120 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:20,120 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:20,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 13:56:20,120 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:56:20,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:20,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1099201585, now seen corresponding path program 9 times [2023-12-02 13:56:20,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:20,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46413659] [2023-12-02 13:56:20,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:24,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:24,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46413659] [2023-12-02 13:56:24,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46413659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:24,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:24,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-02 13:56:24,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147969067] [2023-12-02 13:56:24,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:24,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 13:56:24,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:24,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 13:56:24,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-12-02 13:56:24,665 INFO L87 Difference]: Start difference. First operand 154707 states and 313116 transitions. Second operand has 23 states, 22 states have (on average 7.818181818181818) internal successors, (172), 23 states have internal predecessors, (172), 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) [2023-12-02 13:56:43,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:43,734 INFO L93 Difference]: Finished difference Result 352794 states and 714925 transitions. [2023-12-02 13:56:43,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 13:56:43,734 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.818181818181818) internal successors, (172), 23 states have internal predecessors, (172), 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 172 [2023-12-02 13:56:43,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:44,739 INFO L225 Difference]: With dead ends: 352794 [2023-12-02 13:56:44,740 INFO L226 Difference]: Without dead ends: 352794 [2023-12-02 13:56:44,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1108, Invalid=2674, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 13:56:44,740 INFO L413 NwaCegarLoop]: 3273 mSDtfsCounter, 8897 mSDsluCounter, 27114 mSDsCounter, 0 mSdLazyCounter, 20713 mSolverCounterSat, 1484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8897 SdHoareTripleChecker+Valid, 30387 SdHoareTripleChecker+Invalid, 22197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1484 IncrementalHoareTripleChecker+Valid, 20713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:44,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8897 Valid, 30387 Invalid, 22197 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1484 Valid, 20713 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2023-12-02 13:56:45,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352794 states. [2023-12-02 13:56:48,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352794 to 180374. [2023-12-02 13:56:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180374 states, 179528 states have (on average 2.0512454881689766) internal successors, (368256), 180373 states have internal predecessors, (368256), 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) [2023-12-02 13:56:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180374 states to 180374 states and 368256 transitions. [2023-12-02 13:56:49,369 INFO L78 Accepts]: Start accepts. Automaton has 180374 states and 368256 transitions. Word has length 172 [2023-12-02 13:56:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:49,369 INFO L495 AbstractCegarLoop]: Abstraction has 180374 states and 368256 transitions. [2023-12-02 13:56:49,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.818181818181818) internal successors, (172), 23 states have internal predecessors, (172), 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) [2023-12-02 13:56:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand 180374 states and 368256 transitions. [2023-12-02 13:56:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:56:49,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:49,377 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:49,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 13:56:49,378 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:56:49,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:49,378 INFO L85 PathProgramCache]: Analyzing trace with hash 59296599, now seen corresponding path program 10 times [2023-12-02 13:56:49,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:49,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352641764] [2023-12-02 13:56:49,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:49,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:55,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:55,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352641764] [2023-12-02 13:56:55,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352641764] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:55,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:55,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:56:55,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595245511] [2023-12-02 13:56:55,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:55,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:56:55,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:55,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:56:55,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1296, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:56:55,439 INFO L87 Difference]: Start difference. First operand 180374 states and 368256 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:57:27,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:27,446 INFO L93 Difference]: Finished difference Result 449201 states and 916432 transitions. [2023-12-02 13:57:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 13:57:27,447 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:57:27,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:28,810 INFO L225 Difference]: With dead ends: 449201 [2023-12-02 13:57:28,810 INFO L226 Difference]: Without dead ends: 449201 [2023-12-02 13:57:28,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1447, Invalid=7109, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 13:57:28,812 INFO L413 NwaCegarLoop]: 2047 mSDtfsCounter, 9663 mSDsluCounter, 34903 mSDsCounter, 0 mSdLazyCounter, 35207 mSolverCounterSat, 1600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9663 SdHoareTripleChecker+Valid, 36950 SdHoareTripleChecker+Invalid, 36807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1600 IncrementalHoareTripleChecker+Valid, 35207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:28,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9663 Valid, 36950 Invalid, 36807 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1600 Valid, 35207 Invalid, 0 Unknown, 0 Unchecked, 23.7s Time] [2023-12-02 13:57:29,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449201 states. [2023-12-02 13:57:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449201 to 180506. [2023-12-02 13:57:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180506 states, 179660 states have (on average 2.0515640654569745) internal successors, (368584), 180505 states have internal predecessors, (368584), 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) [2023-12-02 13:57:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180506 states to 180506 states and 368584 transitions. [2023-12-02 13:57:33,822 INFO L78 Accepts]: Start accepts. Automaton has 180506 states and 368584 transitions. Word has length 172 [2023-12-02 13:57:33,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:33,822 INFO L495 AbstractCegarLoop]: Abstraction has 180506 states and 368584 transitions. [2023-12-02 13:57:33,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:57:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 180506 states and 368584 transitions. [2023-12-02 13:57:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:57:33,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:33,830 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:33,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 13:57:33,830 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:57:33,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:33,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1521683881, now seen corresponding path program 11 times [2023-12-02 13:57:33,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:33,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435434250] [2023-12-02 13:57:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:38,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:38,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435434250] [2023-12-02 13:57:38,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435434250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:38,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:38,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-02 13:57:38,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135844341] [2023-12-02 13:57:38,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:38,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 13:57:38,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:38,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 13:57:38,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2023-12-02 13:57:38,389 INFO L87 Difference]: Start difference. First operand 180506 states and 368584 transitions. Second operand has 23 states, 22 states have (on average 7.818181818181818) internal successors, (172), 23 states have internal predecessors, (172), 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) [2023-12-02 13:57:56,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:56,976 INFO L93 Difference]: Finished difference Result 357304 states and 724537 transitions. [2023-12-02 13:57:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 13:57:56,976 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.818181818181818) internal successors, (172), 23 states have internal predecessors, (172), 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 172 [2023-12-02 13:57:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:57,768 INFO L225 Difference]: With dead ends: 357304 [2023-12-02 13:57:57,769 INFO L226 Difference]: Without dead ends: 357304 [2023-12-02 13:57:57,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1098, Invalid=2684, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 13:57:57,769 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 7905 mSDsluCounter, 25488 mSDsCounter, 0 mSdLazyCounter, 18237 mSolverCounterSat, 1392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7905 SdHoareTripleChecker+Valid, 28764 SdHoareTripleChecker+Invalid, 19629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1392 IncrementalHoareTripleChecker+Valid, 18237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:57,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7905 Valid, 28764 Invalid, 19629 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1392 Valid, 18237 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-12-02 13:57:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357304 states. [2023-12-02 13:58:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357304 to 180586. [2023-12-02 13:58:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180586 states, 179740 states have (on average 2.051185045065094) internal successors, (368680), 180585 states have internal predecessors, (368680), 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) [2023-12-02 13:58:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180586 states to 180586 states and 368680 transitions. [2023-12-02 13:58:02,532 INFO L78 Accepts]: Start accepts. Automaton has 180586 states and 368680 transitions. Word has length 172 [2023-12-02 13:58:02,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:58:02,533 INFO L495 AbstractCegarLoop]: Abstraction has 180586 states and 368680 transitions. [2023-12-02 13:58:02,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.818181818181818) internal successors, (172), 23 states have internal predecessors, (172), 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) [2023-12-02 13:58:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 180586 states and 368680 transitions. [2023-12-02 13:58:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:58:02,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:58:02,543 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:58:02,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 13:58:02,544 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:58:02,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:58:02,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1569438257, now seen corresponding path program 12 times [2023-12-02 13:58:02,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:58:02,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928920313] [2023-12-02 13:58:02,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:58:02,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:58:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:58:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:58:08,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:58:08,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928920313] [2023-12-02 13:58:08,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928920313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:58:08,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:58:08,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:58:08,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739874046] [2023-12-02 13:58:08,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:58:08,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:58:08,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:58:08,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:58:08,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1294, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:58:08,290 INFO L87 Difference]: Start difference. First operand 180586 states and 368680 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:58:38,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:58:38,445 INFO L93 Difference]: Finished difference Result 448585 states and 915146 transitions. [2023-12-02 13:58:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:58:38,445 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:58:38,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:58:39,648 INFO L225 Difference]: With dead ends: 448585 [2023-12-02 13:58:39,648 INFO L226 Difference]: Without dead ends: 448585 [2023-12-02 13:58:39,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1867 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1313, Invalid=6169, Unknown=0, NotChecked=0, Total=7482 [2023-12-02 13:58:39,650 INFO L413 NwaCegarLoop]: 2051 mSDtfsCounter, 8613 mSDsluCounter, 31550 mSDsCounter, 0 mSdLazyCounter, 30846 mSolverCounterSat, 1279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8613 SdHoareTripleChecker+Valid, 33601 SdHoareTripleChecker+Invalid, 32125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1279 IncrementalHoareTripleChecker+Valid, 30846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:58:39,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8613 Valid, 33601 Invalid, 32125 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1279 Valid, 30846 Invalid, 0 Unknown, 0 Unchecked, 21.9s Time] [2023-12-02 13:58:40,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448585 states. [2023-12-02 13:58:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448585 to 180864. [2023-12-02 13:58:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180864 states, 180018 states have (on average 2.0515170705151706) internal successors, (369310), 180863 states have internal predecessors, (369310), 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) [2023-12-02 13:58:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180864 states to 180864 states and 369310 transitions. [2023-12-02 13:58:44,874 INFO L78 Accepts]: Start accepts. Automaton has 180864 states and 369310 transitions. Word has length 172 [2023-12-02 13:58:44,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:58:44,875 INFO L495 AbstractCegarLoop]: Abstraction has 180864 states and 369310 transitions. [2023-12-02 13:58:44,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:58:44,875 INFO L276 IsEmpty]: Start isEmpty. Operand 180864 states and 369310 transitions. [2023-12-02 13:58:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:58:44,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:58:44,883 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:58:44,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 13:58:44,883 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:58:44,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:58:44,885 INFO L85 PathProgramCache]: Analyzing trace with hash 395661067, now seen corresponding path program 13 times [2023-12-02 13:58:44,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:58:44,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789091722] [2023-12-02 13:58:44,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:58:44,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:58:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:58:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:58:51,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:58:51,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789091722] [2023-12-02 13:58:51,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789091722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:58:51,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:58:51,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-02 13:58:51,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609547409] [2023-12-02 13:58:51,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:58:51,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-12-02 13:58:51,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:58:51,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-12-02 13:58:51,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1296, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 13:58:51,143 INFO L87 Difference]: Start difference. First operand 180864 states and 369310 transitions. Second operand has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:59:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:59:21,958 INFO L93 Difference]: Finished difference Result 442637 states and 902618 transitions. [2023-12-02 13:59:21,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 13:59:21,959 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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 172 [2023-12-02 13:59:21,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:59:23,003 INFO L225 Difference]: With dead ends: 442637 [2023-12-02 13:59:23,004 INFO L226 Difference]: Without dead ends: 442637 [2023-12-02 13:59:23,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2264 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1433, Invalid=7123, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 13:59:23,005 INFO L413 NwaCegarLoop]: 2047 mSDtfsCounter, 9532 mSDsluCounter, 37277 mSDsCounter, 0 mSdLazyCounter, 33628 mSolverCounterSat, 1804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9532 SdHoareTripleChecker+Valid, 39324 SdHoareTripleChecker+Invalid, 35432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 33628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:59:23,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9532 Valid, 39324 Invalid, 35432 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1804 Valid, 33628 Invalid, 0 Unknown, 0 Unchecked, 22.5s Time] [2023-12-02 13:59:23,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442637 states. [2023-12-02 13:59:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442637 to 180798. [2023-12-02 13:59:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180798 states, 179952 states have (on average 2.0515137369965326) internal successors, (369174), 180797 states have internal predecessors, (369174), 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) [2023-12-02 13:59:28,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180798 states to 180798 states and 369174 transitions. [2023-12-02 13:59:28,522 INFO L78 Accepts]: Start accepts. Automaton has 180798 states and 369174 transitions. Word has length 172 [2023-12-02 13:59:28,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:59:28,523 INFO L495 AbstractCegarLoop]: Abstraction has 180798 states and 369174 transitions. [2023-12-02 13:59:28,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.648648648648648) internal successors, (172), 38 states have internal predecessors, (172), 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) [2023-12-02 13:59:28,523 INFO L276 IsEmpty]: Start isEmpty. Operand 180798 states and 369174 transitions. [2023-12-02 13:59:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 13:59:28,533 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:59:28,533 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:59:28,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-02 13:59:28,534 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-12-02 13:59:28,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:59:28,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1185319413, now seen corresponding path program 14 times [2023-12-02 13:59:28,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:59:28,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133540043] [2023-12-02 13:59:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:59:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:59:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat