./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5 --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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:38:10,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:38:10,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-21 19:38:10,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:38:10,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:38:10,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:38:10,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:38:10,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:38:10,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:38:10,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:38:10,879 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:38:10,879 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:38:10,880 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:38:10,881 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:38:10,881 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:38:10,882 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:38:10,883 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:38:10,883 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:38:10,884 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:38:10,885 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:38:10,885 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:38:10,886 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:38:10,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:38:10,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:38:10,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:38:10,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:38:10,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:38:10,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:38:10,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:38:10,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:38:10,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:38:10,891 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 19:38:10,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:38:10,892 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:38:10,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:38:10,893 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:38:10,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:38:10,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:38:10,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:38:10,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:38:10,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:38:10,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:38:10,897 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:38:10,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:38:10,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:38:10,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:38:10,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:38:10,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:38:10,900 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_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-11-21 19:38:11,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:38:11,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:38:11,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:38:11,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:38:11,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:38:11,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-21 19:38:14,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:38:14,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:38:14,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-21 19:38:14,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/data/9af928659/a77f7443fb214a10af8755a09d5df1c2/FLAG931705f36 [2023-11-21 19:38:14,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/data/9af928659/a77f7443fb214a10af8755a09d5df1c2 [2023-11-21 19:38:14,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:38:14,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:38:14,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:38:14,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:38:14,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:38:14,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:38:14" (1/1) ... [2023-11-21 19:38:14,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170bb770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:14, skipping insertion in model container [2023-11-21 19:38:14,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:38:14" (1/1) ... [2023-11-21 19:38:14,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:38:15,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:38:15,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:38:15,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:38:15,066 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:38:15,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15 WrapperNode [2023-11-21 19:38:15,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:38:15,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:38:15,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:38:15,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:38:15,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,127 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 207 [2023-11-21 19:38:15,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:38:15,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:38:15,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:38:15,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:38:15,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:38:15,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:38:15,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:38:15,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:38:15,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (1/1) ... [2023-11-21 19:38:15,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:38:15,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:38:15,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:38:15,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:38:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:38:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 19:38:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 19:38:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 19:38:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 19:38:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:38:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:38:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:38:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:38:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:38:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:38:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:38:15,235 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:38:15,363 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:38:15,365 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:38:15,782 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:38:15,810 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:38:15,810 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:38:15,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:38:15 BoogieIcfgContainer [2023-11-21 19:38:15,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:38:15,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:38:15,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:38:15,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:38:15,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:38:14" (1/3) ... [2023-11-21 19:38:15,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d86f744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:38:15, skipping insertion in model container [2023-11-21 19:38:15,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:38:15" (2/3) ... [2023-11-21 19:38:15,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d86f744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:38:15, skipping insertion in model container [2023-11-21 19:38:15,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:38:15" (3/3) ... [2023-11-21 19:38:15,825 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2023-11-21 19:38:15,835 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:38:15,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:38:15,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-11-21 19:38:15,848 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 19:38:15,977 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 19:38:16,022 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 268 places, 275 transitions, 564 flow [2023-11-21 19:38:17,508 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34609 states, 34495 states have (on average 2.9837367734454268) internal successors, (102924), 34608 states have internal predecessors, (102924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:17,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:38:17,541 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;@636c4bdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:38:17,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-21 19:38:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 34609 states, 34495 states have (on average 2.9837367734454268) internal successors, (102924), 34608 states have internal predecessors, (102924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 19:38:17,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:17,748 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] [2023-11-21 19:38:17,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:17,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:17,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1785577217, now seen corresponding path program 1 times [2023-11-21 19:38:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:17,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356895011] [2023-11-21 19:38:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:18,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:18,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356895011] [2023-11-21 19:38:18,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356895011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:18,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:18,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:18,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139105648] [2023-11-21 19:38:18,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:18,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:18,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:18,173 INFO L87 Difference]: Start difference. First operand has 34609 states, 34495 states have (on average 2.9837367734454268) internal successors, (102924), 34608 states have internal predecessors, (102924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:19,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:19,155 INFO L93 Difference]: Finished difference Result 34608 states and 100571 transitions. [2023-11-21 19:38:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:19,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-21 19:38:19,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:19,647 INFO L225 Difference]: With dead ends: 34608 [2023-11-21 19:38:19,647 INFO L226 Difference]: Without dead ends: 34586 [2023-11-21 19:38:19,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:19,654 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 2 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:19,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 460 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:38:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34586 states. [2023-11-21 19:38:21,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34586 to 34586. [2023-11-21 19:38:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34586 states, 34415 states have (on average 2.920557896266163) internal successors, (100511), 34585 states have internal predecessors, (100511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34586 states to 34586 states and 100511 transitions. [2023-11-21 19:38:21,732 INFO L78 Accepts]: Start accepts. Automaton has 34586 states and 100511 transitions. Word has length 22 [2023-11-21 19:38:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:21,734 INFO L495 AbstractCegarLoop]: Abstraction has 34586 states and 100511 transitions. [2023-11-21 19:38:21,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 34586 states and 100511 transitions. [2023-11-21 19:38:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 19:38:21,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:21,737 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] [2023-11-21 19:38:21,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:38:21,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:21,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1615075681, now seen corresponding path program 1 times [2023-11-21 19:38:21,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:21,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792289915] [2023-11-21 19:38:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:21,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:21,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792289915] [2023-11-21 19:38:21,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792289915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:21,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:21,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:21,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270979765] [2023-11-21 19:38:21,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:21,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:21,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:21,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:21,872 INFO L87 Difference]: Start difference. First operand 34586 states and 100511 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:22,569 INFO L93 Difference]: Finished difference Result 34585 states and 100510 transitions. [2023-11-21 19:38:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:22,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2023-11-21 19:38:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:22,750 INFO L225 Difference]: With dead ends: 34585 [2023-11-21 19:38:22,750 INFO L226 Difference]: Without dead ends: 34585 [2023-11-21 19:38:22,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:22,755 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 2 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:22,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 457 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:22,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34585 states. [2023-11-21 19:38:23,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34585 to 34585. [2023-11-21 19:38:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34585 states, 34415 states have (on average 2.920528839168967) internal successors, (100510), 34584 states have internal predecessors, (100510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34585 states to 34585 states and 100510 transitions. [2023-11-21 19:38:24,384 INFO L78 Accepts]: Start accepts. Automaton has 34585 states and 100510 transitions. Word has length 30 [2023-11-21 19:38:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:24,384 INFO L495 AbstractCegarLoop]: Abstraction has 34585 states and 100510 transitions. [2023-11-21 19:38:24,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 34585 states and 100510 transitions. [2023-11-21 19:38:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 19:38:24,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:24,386 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] [2023-11-21 19:38:24,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:38:24,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:24,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1045857592, now seen corresponding path program 1 times [2023-11-21 19:38:24,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:24,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507946029] [2023-11-21 19:38:24,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:24,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:24,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507946029] [2023-11-21 19:38:24,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507946029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:24,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:24,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:24,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755349429] [2023-11-21 19:38:24,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:24,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:24,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:24,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:24,455 INFO L87 Difference]: Start difference. First operand 34585 states and 100510 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:24,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:24,915 INFO L93 Difference]: Finished difference Result 34584 states and 100509 transitions. [2023-11-21 19:38:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:24,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-21 19:38:24,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:25,093 INFO L225 Difference]: With dead ends: 34584 [2023-11-21 19:38:25,093 INFO L226 Difference]: Without dead ends: 34584 [2023-11-21 19:38:25,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:25,101 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 2 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:25,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 452 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34584 states. [2023-11-21 19:38:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34584 to 34584. [2023-11-21 19:38:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34584 states, 34415 states have (on average 2.920499782071771) internal successors, (100509), 34583 states have internal predecessors, (100509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34584 states to 34584 states and 100509 transitions. [2023-11-21 19:38:26,555 INFO L78 Accepts]: Start accepts. Automaton has 34584 states and 100509 transitions. Word has length 38 [2023-11-21 19:38:26,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:26,556 INFO L495 AbstractCegarLoop]: Abstraction has 34584 states and 100509 transitions. [2023-11-21 19:38:26,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 34584 states and 100509 transitions. [2023-11-21 19:38:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 19:38:26,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:26,558 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] [2023-11-21 19:38:26,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:38:26,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:26,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:26,559 INFO L85 PathProgramCache]: Analyzing trace with hash -294722877, now seen corresponding path program 1 times [2023-11-21 19:38:26,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:26,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658919288] [2023-11-21 19:38:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:26,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:26,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658919288] [2023-11-21 19:38:26,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658919288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:26,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:26,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:26,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920624130] [2023-11-21 19:38:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:26,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:26,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:26,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:26,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:26,637 INFO L87 Difference]: Start difference. First operand 34584 states and 100509 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:26,895 INFO L93 Difference]: Finished difference Result 34583 states and 100508 transitions. [2023-11-21 19:38:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:26,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2023-11-21 19:38:26,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:27,032 INFO L225 Difference]: With dead ends: 34583 [2023-11-21 19:38:27,033 INFO L226 Difference]: Without dead ends: 34583 [2023-11-21 19:38:27,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:27,034 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 2 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:27,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 453 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:27,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34583 states. [2023-11-21 19:38:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34583 to 34583. [2023-11-21 19:38:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34583 states, 34415 states have (on average 2.920470724974575) internal successors, (100508), 34582 states have internal predecessors, (100508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34583 states to 34583 states and 100508 transitions. [2023-11-21 19:38:28,665 INFO L78 Accepts]: Start accepts. Automaton has 34583 states and 100508 transitions. Word has length 46 [2023-11-21 19:38:28,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:28,665 INFO L495 AbstractCegarLoop]: Abstraction has 34583 states and 100508 transitions. [2023-11-21 19:38:28,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 34583 states and 100508 transitions. [2023-11-21 19:38:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 19:38:28,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:28,668 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] [2023-11-21 19:38:28,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 19:38:28,669 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:28,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:28,670 INFO L85 PathProgramCache]: Analyzing trace with hash 865601003, now seen corresponding path program 1 times [2023-11-21 19:38:28,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:28,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432817243] [2023-11-21 19:38:28,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:28,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:28,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432817243] [2023-11-21 19:38:28,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432817243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:28,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:28,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:28,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115992273] [2023-11-21 19:38:28,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:28,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:28,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:28,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:28,749 INFO L87 Difference]: Start difference. First operand 34583 states and 100508 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:29,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:29,001 INFO L93 Difference]: Finished difference Result 32839 states and 95442 transitions. [2023-11-21 19:38:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:29,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2023-11-21 19:38:29,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:29,138 INFO L225 Difference]: With dead ends: 32839 [2023-11-21 19:38:29,138 INFO L226 Difference]: Without dead ends: 32839 [2023-11-21 19:38:29,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:29,140 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 179 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:29,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 321 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32839 states. [2023-11-21 19:38:30,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32839 to 32839. [2023-11-21 19:38:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32839 states, 32723 states have (on average 2.9166641200378938) internal successors, (95442), 32838 states have internal predecessors, (95442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32839 states to 32839 states and 95442 transitions. [2023-11-21 19:38:30,458 INFO L78 Accepts]: Start accepts. Automaton has 32839 states and 95442 transitions. Word has length 55 [2023-11-21 19:38:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:30,459 INFO L495 AbstractCegarLoop]: Abstraction has 32839 states and 95442 transitions. [2023-11-21 19:38:30,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32839 states and 95442 transitions. [2023-11-21 19:38:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 19:38:30,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:30,462 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] [2023-11-21 19:38:30,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 19:38:30,462 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:30,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:30,463 INFO L85 PathProgramCache]: Analyzing trace with hash 136471769, now seen corresponding path program 1 times [2023-11-21 19:38:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:30,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898002786] [2023-11-21 19:38:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:30,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:30,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:30,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898002786] [2023-11-21 19:38:30,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898002786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:30,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:30,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:30,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804529849] [2023-11-21 19:38:30,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:30,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:30,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:30,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:30,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:30,532 INFO L87 Difference]: Start difference. First operand 32839 states and 95442 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:30,786 INFO L93 Difference]: Finished difference Result 31148 states and 90527 transitions. [2023-11-21 19:38:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:30,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-11-21 19:38:30,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:30,898 INFO L225 Difference]: With dead ends: 31148 [2023-11-21 19:38:30,898 INFO L226 Difference]: Without dead ends: 31148 [2023-11-21 19:38:30,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:30,899 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 176 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:30,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 316 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:31,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31148 states. [2023-11-21 19:38:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31148 to 31148. [2023-11-21 19:38:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31148 states, 31073 states have (on average 2.9133653010652334) internal successors, (90527), 31147 states have internal predecessors, (90527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31148 states to 31148 states and 90527 transitions. [2023-11-21 19:38:32,014 INFO L78 Accepts]: Start accepts. Automaton has 31148 states and 90527 transitions. Word has length 58 [2023-11-21 19:38:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:32,014 INFO L495 AbstractCegarLoop]: Abstraction has 31148 states and 90527 transitions. [2023-11-21 19:38:32,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 31148 states and 90527 transitions. [2023-11-21 19:38:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 19:38:32,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:32,017 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] [2023-11-21 19:38:32,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 19:38:32,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:32,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:32,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1673300236, now seen corresponding path program 1 times [2023-11-21 19:38:32,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:32,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946429669] [2023-11-21 19:38:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:32,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:32,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:32,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946429669] [2023-11-21 19:38:32,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946429669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:32,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:32,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:32,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451872587] [2023-11-21 19:38:32,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:32,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:32,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:32,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:32,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:32,069 INFO L87 Difference]: Start difference. First operand 31148 states and 90527 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:32,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:32,283 INFO L93 Difference]: Finished difference Result 35614 states and 103092 transitions. [2023-11-21 19:38:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:32,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2023-11-21 19:38:32,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:32,389 INFO L225 Difference]: With dead ends: 35614 [2023-11-21 19:38:32,389 INFO L226 Difference]: Without dead ends: 35614 [2023-11-21 19:38:32,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:32,390 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 175 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:32,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 508 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35614 states. [2023-11-21 19:38:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35614 to 30043. [2023-11-21 19:38:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30043 states, 29991 states have (on average 2.911406755359941) internal successors, (87316), 30042 states have internal predecessors, (87316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30043 states to 30043 states and 87316 transitions. [2023-11-21 19:38:33,616 INFO L78 Accepts]: Start accepts. Automaton has 30043 states and 87316 transitions. Word has length 61 [2023-11-21 19:38:33,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:33,616 INFO L495 AbstractCegarLoop]: Abstraction has 30043 states and 87316 transitions. [2023-11-21 19:38:33,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 30043 states and 87316 transitions. [2023-11-21 19:38:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 19:38:33,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:33,619 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] [2023-11-21 19:38:33,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 19:38:33,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:33,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:33,620 INFO L85 PathProgramCache]: Analyzing trace with hash -118251530, now seen corresponding path program 1 times [2023-11-21 19:38:33,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:33,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930045026] [2023-11-21 19:38:33,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:33,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:33,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:33,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930045026] [2023-11-21 19:38:33,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930045026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:33,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:33,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:33,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203705732] [2023-11-21 19:38:33,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:33,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:33,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:33,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:33,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:33,676 INFO L87 Difference]: Start difference. First operand 30043 states and 87316 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:33,873 INFO L93 Difference]: Finished difference Result 29497 states and 85728 transitions. [2023-11-21 19:38:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:33,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-21 19:38:33,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:33,970 INFO L225 Difference]: With dead ends: 29497 [2023-11-21 19:38:33,971 INFO L226 Difference]: Without dead ends: 29497 [2023-11-21 19:38:33,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:33,973 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 74 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:33,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 500 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:34,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29497 states. [2023-11-21 19:38:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29497 to 29497. [2023-11-21 19:38:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29497 states, 29455 states have (on average 2.9104736038024104) internal successors, (85728), 29496 states have internal predecessors, (85728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 85728 transitions. [2023-11-21 19:38:35,078 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 85728 transitions. Word has length 63 [2023-11-21 19:38:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:35,078 INFO L495 AbstractCegarLoop]: Abstraction has 29497 states and 85728 transitions. [2023-11-21 19:38:35,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 85728 transitions. [2023-11-21 19:38:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 19:38:35,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:35,081 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] [2023-11-21 19:38:35,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 19:38:35,081 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:35,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:35,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1723736968, now seen corresponding path program 1 times [2023-11-21 19:38:35,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:35,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24620038] [2023-11-21 19:38:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:35,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:35,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24620038] [2023-11-21 19:38:35,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24620038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:35,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:35,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:35,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105339068] [2023-11-21 19:38:35,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:35,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:35,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:35,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:35,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:35,158 INFO L87 Difference]: Start difference. First operand 29497 states and 85728 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:35,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:35,363 INFO L93 Difference]: Finished difference Result 33580 states and 97212 transitions. [2023-11-21 19:38:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:35,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-21 19:38:35,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:35,465 INFO L225 Difference]: With dead ends: 33580 [2023-11-21 19:38:35,465 INFO L226 Difference]: Without dead ends: 33580 [2023-11-21 19:38:35,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:35,466 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 172 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:35,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 501 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:35,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33580 states. [2023-11-21 19:38:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33580 to 28422. [2023-11-21 19:38:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28422 states, 28397 states have (on average 2.9088988273409164) internal successors, (82604), 28421 states have internal predecessors, (82604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28422 states to 28422 states and 82604 transitions. [2023-11-21 19:38:36,753 INFO L78 Accepts]: Start accepts. Automaton has 28422 states and 82604 transitions. Word has length 63 [2023-11-21 19:38:36,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:36,753 INFO L495 AbstractCegarLoop]: Abstraction has 28422 states and 82604 transitions. [2023-11-21 19:38:36,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 28422 states and 82604 transitions. [2023-11-21 19:38:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 19:38:36,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:36,756 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] [2023-11-21 19:38:36,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 19:38:36,757 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:36,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash 606043619, now seen corresponding path program 1 times [2023-11-21 19:38:36,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:36,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301617203] [2023-11-21 19:38:36,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:36,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:37,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:37,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301617203] [2023-11-21 19:38:37,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301617203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:37,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:37,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:38:37,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466711308] [2023-11-21 19:38:37,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:37,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:38:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:38:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:38:37,459 INFO L87 Difference]: Start difference. First operand 28422 states and 82604 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:37,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:37,803 INFO L93 Difference]: Finished difference Result 25666 states and 74231 transitions. [2023-11-21 19:38:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:38:37,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-21 19:38:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:37,875 INFO L225 Difference]: With dead ends: 25666 [2023-11-21 19:38:37,876 INFO L226 Difference]: Without dead ends: 25522 [2023-11-21 19:38:37,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:38:37,876 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 575 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:37,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1284 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:38:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25522 states. [2023-11-21 19:38:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25522 to 25522. [2023-11-21 19:38:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25522 states, 25509 states have (on average 2.893762985612921) internal successors, (73817), 25521 states have internal predecessors, (73817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25522 states to 25522 states and 73817 transitions. [2023-11-21 19:38:38,849 INFO L78 Accepts]: Start accepts. Automaton has 25522 states and 73817 transitions. Word has length 66 [2023-11-21 19:38:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:38,849 INFO L495 AbstractCegarLoop]: Abstraction has 25522 states and 73817 transitions. [2023-11-21 19:38:38,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 25522 states and 73817 transitions. [2023-11-21 19:38:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 19:38:38,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:38,853 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] [2023-11-21 19:38:38,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 19:38:38,853 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:38,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash 288664007, now seen corresponding path program 1 times [2023-11-21 19:38:38,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:38,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165734923] [2023-11-21 19:38:38,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:38,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:38,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:38,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165734923] [2023-11-21 19:38:38,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165734923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:38,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:38,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:38,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475579242] [2023-11-21 19:38:38,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:38,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:38,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:38,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:38,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:38,892 INFO L87 Difference]: Start difference. First operand 25522 states and 73817 transitions. Second operand has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:39,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:39,039 INFO L93 Difference]: Finished difference Result 25045 states and 72438 transitions. [2023-11-21 19:38:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:39,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2023-11-21 19:38:39,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:39,093 INFO L225 Difference]: With dead ends: 25045 [2023-11-21 19:38:39,093 INFO L226 Difference]: Without dead ends: 24259 [2023-11-21 19:38:39,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:39,094 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 74 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:39,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 493 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24259 states. [2023-11-21 19:38:39,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24259 to 24259. [2023-11-21 19:38:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24259 states, 24250 states have (on average 2.89319587628866) internal successors, (70160), 24258 states have internal predecessors, (70160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24259 states to 24259 states and 70160 transitions. [2023-11-21 19:38:39,527 INFO L78 Accepts]: Start accepts. Automaton has 24259 states and 70160 transitions. Word has length 69 [2023-11-21 19:38:39,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:39,527 INFO L495 AbstractCegarLoop]: Abstraction has 24259 states and 70160 transitions. [2023-11-21 19:38:39,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:39,528 INFO L276 IsEmpty]: Start isEmpty. Operand 24259 states and 70160 transitions. [2023-11-21 19:38:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 19:38:39,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:39,994 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] [2023-11-21 19:38:39,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 19:38:39,994 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:39,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:39,995 INFO L85 PathProgramCache]: Analyzing trace with hash 954223342, now seen corresponding path program 1 times [2023-11-21 19:38:39,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:39,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776137827] [2023-11-21 19:38:39,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:39,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:40,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:40,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776137827] [2023-11-21 19:38:40,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776137827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:40,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:40,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:38:40,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060906263] [2023-11-21 19:38:40,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:40,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:38:40,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:40,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:38:40,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:38:40,642 INFO L87 Difference]: Start difference. First operand 24259 states and 70160 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:40,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:40,799 INFO L93 Difference]: Finished difference Result 24207 states and 70055 transitions. [2023-11-21 19:38:40,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 19:38:40,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2023-11-21 19:38:40,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:40,860 INFO L225 Difference]: With dead ends: 24207 [2023-11-21 19:38:40,860 INFO L226 Difference]: Without dead ends: 23293 [2023-11-21 19:38:40,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:38:40,861 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 300 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:40,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 851 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:40,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23293 states. [2023-11-21 19:38:41,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23293 to 23293. [2023-11-21 19:38:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23293 states, 23287 states have (on average 2.8947052003263622) internal successors, (67409), 23292 states have internal predecessors, (67409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23293 states to 23293 states and 67409 transitions. [2023-11-21 19:38:41,379 INFO L78 Accepts]: Start accepts. Automaton has 23293 states and 67409 transitions. Word has length 91 [2023-11-21 19:38:41,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:41,379 INFO L495 AbstractCegarLoop]: Abstraction has 23293 states and 67409 transitions. [2023-11-21 19:38:41,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23293 states and 67409 transitions. [2023-11-21 19:38:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-21 19:38:41,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:41,433 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] [2023-11-21 19:38:41,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 19:38:41,433 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:41,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:41,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2062925005, now seen corresponding path program 1 times [2023-11-21 19:38:41,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:41,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553998266] [2023-11-21 19:38:41,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:41,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:41,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553998266] [2023-11-21 19:38:41,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553998266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:41,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:41,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:41,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27391860] [2023-11-21 19:38:41,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:41,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:41,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:41,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:41,499 INFO L87 Difference]: Start difference. First operand 23293 states and 67409 transitions. Second operand has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:41,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:41,637 INFO L93 Difference]: Finished difference Result 23290 states and 67406 transitions. [2023-11-21 19:38:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:41,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-11-21 19:38:41,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:41,899 INFO L225 Difference]: With dead ends: 23290 [2023-11-21 19:38:41,900 INFO L226 Difference]: Without dead ends: 23290 [2023-11-21 19:38:41,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:41,901 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 35 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:41,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 381 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:41,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23290 states. [2023-11-21 19:38:42,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23290 to 23290. [2023-11-21 19:38:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23290 states, 23287 states have (on average 2.894576373083695) internal successors, (67406), 23289 states have internal predecessors, (67406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23290 states to 23290 states and 67406 transitions. [2023-11-21 19:38:42,474 INFO L78 Accepts]: Start accepts. Automaton has 23290 states and 67406 transitions. Word has length 112 [2023-11-21 19:38:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:42,475 INFO L495 AbstractCegarLoop]: Abstraction has 23290 states and 67406 transitions. [2023-11-21 19:38:42,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 23290 states and 67406 transitions. [2023-11-21 19:38:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 19:38:42,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:38:42,521 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] [2023-11-21 19:38:42,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 19:38:42,522 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-21 19:38:42,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:38:42,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1541992678, now seen corresponding path program 1 times [2023-11-21 19:38:42,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:38:42,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125380396] [2023-11-21 19:38:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:38:42,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:38:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:38:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:38:42,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:38:42,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125380396] [2023-11-21 19:38:42,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125380396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:38:42,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:38:42,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:38:42,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382124511] [2023-11-21 19:38:42,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:38:42,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:38:42,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:38:42,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:38:42,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:42,586 INFO L87 Difference]: Start difference. First operand 23290 states and 67406 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:38:42,721 INFO L93 Difference]: Finished difference Result 23311 states and 67428 transitions. [2023-11-21 19:38:42,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:38:42,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-11-21 19:38:42,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:38:42,722 INFO L225 Difference]: With dead ends: 23311 [2023-11-21 19:38:42,722 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:38:42,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:38:42,723 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 27 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:38:42,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 432 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:38:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:38:42,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:38:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:38:42,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2023-11-21 19:38:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:38:42,725 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:38:42,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:38:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:38:42,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:38:42,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-21 19:38:42,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-21 19:38:42,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-21 19:38:42,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-21 19:38:42,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-21 19:38:42,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-21 19:38:42,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-11-21 19:38:42,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-11-21 19:38:42,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-11-21 19:38:42,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-11-21 19:38:42,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-21 19:38:42,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-21 19:38:42,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-21 19:38:42,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-21 19:38:42,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-21 19:38:42,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-21 19:38:42,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-21 19:38:42,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-21 19:38:42,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-11-21 19:38:42,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-21 19:38:42,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-21 19:38:42,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-21 19:38:42,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2023-11-21 19:38:42,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2023-11-21 19:38:42,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-21 19:38:42,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2023-11-21 19:38:42,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-11-21 19:38:42,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-11-21 19:38:42,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-11-21 19:38:42,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-21 19:38:42,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-21 19:38:42,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-21 19:38:42,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-21 19:38:42,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-21 19:38:42,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-21 19:38:42,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-21 19:38:42,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-21 19:38:42,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-21 19:38:42,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 19:38:42,740 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:38:42,746 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 19:38:42,746 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:38:42,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:38:42 BasicIcfg [2023-11-21 19:38:42,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:38:42,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:38:42,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:38:42,752 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:38:42,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:38:15" (3/4) ... [2023-11-21 19:38:42,756 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:38:42,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 19:38:42,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 19:38:42,769 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 19:38:42,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 19:38:42,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 19:38:42,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:38:42,888 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:38:42,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:38:42,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:38:42,890 INFO L158 Benchmark]: Toolchain (without parser) took 28133.04ms. Allocated memory was 123.7MB in the beginning and 12.4GB in the end (delta: 12.3GB). Free memory was 79.2MB in the beginning and 10.5GB in the end (delta: -10.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-11-21 19:38:42,890 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:38:42,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.75ms. Allocated memory is still 123.7MB. Free memory was 79.2MB in the beginning and 67.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:38:42,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.23ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 65.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:38:42,892 INFO L158 Benchmark]: Boogie Preprocessor took 35.06ms. Allocated memory is still 123.7MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:38:42,892 INFO L158 Benchmark]: RCFGBuilder took 648.50ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 63.2MB in the beginning and 126.4MB in the end (delta: -63.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-21 19:38:42,893 INFO L158 Benchmark]: TraceAbstraction took 26935.75ms. Allocated memory was 169.9MB in the beginning and 12.4GB in the end (delta: 12.2GB). Free memory was 125.8MB in the beginning and 10.5GB in the end (delta: -10.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-11-21 19:38:42,894 INFO L158 Benchmark]: Witness Printer took 137.54ms. Allocated memory is still 12.4GB. Free memory was 10.5GB in the beginning and 10.5GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:38:42,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.75ms. Allocated memory is still 123.7MB. Free memory was 79.2MB in the beginning and 67.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.23ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 65.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.06ms. Allocated memory is still 123.7MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.50ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 63.2MB in the beginning and 126.4MB in the end (delta: -63.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26935.75ms. Allocated memory was 169.9MB in the beginning and 12.4GB in the end (delta: 12.2GB). Free memory was 125.8MB in the beginning and 10.5GB in the end (delta: -10.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 137.54ms. Allocated memory is still 12.4GB. Free memory was 10.5GB in the beginning and 10.5GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 380 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 26.7s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1795 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1795 mSDsluCounter, 7409 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3211 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 4198 mSDtfsCounter, 252 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34609occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 15.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 10729 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 890 NumberOfCodeBlocks, 890 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 876 ConstructedInterpolants, 0 QuantifiedInterpolants, 1062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 19:38:42,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4808013c-3e60-4ff6-a6ae-625b6c28f94c/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE