./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6872adb14a2dfa535a444bb6d903bd37f60f26cf718935f2927b47d5c5a6aaa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:31:20,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:31:20,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:31:20,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:31:20,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:31:20,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:31:20,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:31:20,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:31:20,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:31:20,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:31:20,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:31:20,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:31:20,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:31:20,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:31:20,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:31:20,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:31:20,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:31:20,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:31:20,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:31:20,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:31:20,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:31:20,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:31:20,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:31:20,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:31:20,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:31:20,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:31:20,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:31:20,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:31:20,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:31:20,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:31:20,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:31:20,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:31:20,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:31:20,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:31:20,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:31:20,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:31:20,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:31:20,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:31:20,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:31:20,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:31:20,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:31:20,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:31:20,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:31:20,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:31:20,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:31:20,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:31:20,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:31:20,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:31:20,167 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:31:20,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:31:20,167 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:31:20,168 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:31:20,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:31:20,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:31:20,169 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:31:20,169 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:31:20,170 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:31:20,170 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:31:20,170 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:31:20,170 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:31:20,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:31:20,171 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:31:20,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:31:20,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:31:20,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:31:20,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:31:20,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:31:20,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:31:20,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:31:20,173 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:31:20,173 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:31:20,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:31:20,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:31:20,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:31:20,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:31:20,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:31:20,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:31:20,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:31:20,174 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:31:20,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:31:20,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:31:20,175 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:31:20,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:31:20,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:31:20,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:31:20,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6872adb14a2dfa535a444bb6d903bd37f60f26cf718935f2927b47d5c5a6aaa [2022-11-03 02:31:20,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:31:20,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:31:20,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:31:20,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:31:20,511 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:31:20,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2022-11-03 02:31:20,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/data/300df5580/a3dc27df06b744989640988a779beb63/FLAGe6523aa6b [2022-11-03 02:31:21,133 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:31:21,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2022-11-03 02:31:21,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/data/300df5580/a3dc27df06b744989640988a779beb63/FLAGe6523aa6b [2022-11-03 02:31:21,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/data/300df5580/a3dc27df06b744989640988a779beb63 [2022-11-03 02:31:21,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:31:21,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:31:21,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:31:21,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:31:21,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:31:21,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:31:21" (1/1) ... [2022-11-03 02:31:21,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463d7ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:21, skipping insertion in model container [2022-11-03 02:31:21,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:31:21" (1/1) ... [2022-11-03 02:31:21,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:31:21,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:31:21,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-11-03 02:31:21,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:31:21,890 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:31:21,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-11-03 02:31:21,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:31:22,001 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:31:22,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22 WrapperNode [2022-11-03 02:31:22,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:31:22,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:31:22,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:31:22,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:31:22,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,090 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 325 [2022-11-03 02:31:22,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:31:22,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:31:22,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:31:22,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:31:22,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:31:22,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:31:22,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:31:22,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:31:22,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (1/1) ... [2022-11-03 02:31:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:31:22,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:22,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:31:22,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:31:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:31:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:31:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:31:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:31:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 02:31:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 02:31:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 02:31:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 02:31:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 02:31:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 02:31:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:31:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:31:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:31:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:31:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:31:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:31:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:31:22,336 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:31:22,458 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:31:22,460 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:31:23,206 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:31:23,549 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:31:23,550 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:31:23,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:23 BoogieIcfgContainer [2022-11-03 02:31:23,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:31:23,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:31:23,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:31:23,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:31:23,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:31:21" (1/3) ... [2022-11-03 02:31:23,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3411cfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:31:23, skipping insertion in model container [2022-11-03 02:31:23,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:22" (2/3) ... [2022-11-03 02:31:23,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3411cfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:31:23, skipping insertion in model container [2022-11-03 02:31:23,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:23" (3/3) ... [2022-11-03 02:31:23,569 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2022-11-03 02:31:23,578 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:31:23,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:31:23,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2022-11-03 02:31:23,589 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:31:23,718 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-03 02:31:23,791 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:31:23,831 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 276 transitions, 576 flow [2022-11-03 02:31:23,839 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 276 transitions, 576 flow [2022-11-03 02:31:23,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 277 places, 276 transitions, 576 flow [2022-11-03 02:31:23,949 INFO L130 PetriNetUnfolder]: 9/273 cut-off events. [2022-11-03 02:31:23,949 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-03 02:31:23,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 273 events. 9/273 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 342 event pairs, 0 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 183. Up to 2 conditions per place. [2022-11-03 02:31:23,965 INFO L118 LiptonReduction]: Number of co-enabled transitions 9612 [2022-11-03 02:31:36,669 INFO L133 LiptonReduction]: Checked pairs total: 46786 [2022-11-03 02:31:36,670 INFO L135 LiptonReduction]: Total number of compositions: 266 [2022-11-03 02:31:36,682 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 97 transitions, 218 flow [2022-11-03 02:31:38,365 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 39295 states, 35984 states have (on average 4.226406180524678) internal successors, (152083), 39294 states have internal predecessors, (152083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:38,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:31:38,400 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6df2fafe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:31:38,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2022-11-03 02:31:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 39295 states, 35984 states have (on average 4.226406180524678) internal successors, (152083), 39294 states have internal predecessors, (152083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 02:31:38,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:38,506 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 02:31:38,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:38,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:38,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1296, now seen corresponding path program 1 times [2022-11-03 02:31:38,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:38,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883977459] [2022-11-03 02:31:38,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:38,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:38,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:38,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883977459] [2022-11-03 02:31:38,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883977459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:38,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:38,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 02:31:38,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230370809] [2022-11-03 02:31:38,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:38,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:31:38,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:38,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:31:38,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:31:38,738 INFO L87 Difference]: Start difference. First operand has 39295 states, 35984 states have (on average 4.226406180524678) internal successors, (152083), 39294 states have internal predecessors, (152083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:39,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:39,075 INFO L93 Difference]: Finished difference Result 2885 states and 10280 transitions. [2022-11-03 02:31:39,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:31:39,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-03 02:31:39,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:39,158 INFO L225 Difference]: With dead ends: 2885 [2022-11-03 02:31:39,158 INFO L226 Difference]: Without dead ends: 2880 [2022-11-03 02:31:39,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:31:39,165 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:39,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:31:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2022-11-03 02:31:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2880. [2022-11-03 02:31:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2869 states have (on average 3.5799930289299406) internal successors, (10271), 2879 states have internal predecessors, (10271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 10271 transitions. [2022-11-03 02:31:39,392 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 10271 transitions. Word has length 1 [2022-11-03 02:31:39,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:39,393 INFO L495 AbstractCegarLoop]: Abstraction has 2880 states and 10271 transitions. [2022-11-03 02:31:39,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 10271 transitions. [2022-11-03 02:31:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:31:39,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:39,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:39,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:31:39,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:39,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:39,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1487206650, now seen corresponding path program 1 times [2022-11-03 02:31:39,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:39,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781924003] [2022-11-03 02:31:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:39,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:40,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:40,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781924003] [2022-11-03 02:31:40,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781924003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:40,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:40,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:40,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184250592] [2022-11-03 02:31:40,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:40,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:40,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:40,151 INFO L87 Difference]: Start difference. First operand 2880 states and 10271 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:40,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:40,562 INFO L93 Difference]: Finished difference Result 2555 states and 8996 transitions. [2022-11-03 02:31:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:40,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 02:31:40,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:40,581 INFO L225 Difference]: With dead ends: 2555 [2022-11-03 02:31:40,581 INFO L226 Difference]: Without dead ends: 2555 [2022-11-03 02:31:40,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:40,583 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 40 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:40,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 22 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:31:40,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2022-11-03 02:31:40,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2555. [2022-11-03 02:31:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2547 states have (on average 3.5319984295249314) internal successors, (8996), 2554 states have internal predecessors, (8996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 8996 transitions. [2022-11-03 02:31:40,689 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 8996 transitions. Word has length 11 [2022-11-03 02:31:40,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:40,690 INFO L495 AbstractCegarLoop]: Abstraction has 2555 states and 8996 transitions. [2022-11-03 02:31:40,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 8996 transitions. [2022-11-03 02:31:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:31:40,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:40,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:40,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:31:40,700 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1190798267, now seen corresponding path program 1 times [2022-11-03 02:31:40,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:40,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805348244] [2022-11-03 02:31:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:40,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:40,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805348244] [2022-11-03 02:31:40,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805348244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:40,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:40,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:40,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206897962] [2022-11-03 02:31:40,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:40,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:31:40,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:40,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:31:40,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:31:40,896 INFO L87 Difference]: Start difference. First operand 2555 states and 8996 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:41,051 INFO L93 Difference]: Finished difference Result 2693 states and 9383 transitions. [2022-11-03 02:31:41,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:31:41,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 02:31:41,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:41,069 INFO L225 Difference]: With dead ends: 2693 [2022-11-03 02:31:41,069 INFO L226 Difference]: Without dead ends: 2556 [2022-11-03 02:31:41,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:41,073 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:41,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 60 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:31:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2022-11-03 02:31:41,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2556. [2022-11-03 02:31:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2548 states have (on average 3.531004709576138) internal successors, (8997), 2555 states have internal predecessors, (8997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 8997 transitions. [2022-11-03 02:31:41,169 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 8997 transitions. Word has length 12 [2022-11-03 02:31:41,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:41,170 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 8997 transitions. [2022-11-03 02:31:41,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 8997 transitions. [2022-11-03 02:31:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:31:41,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:41,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:41,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:31:41,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:41,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1970583334, now seen corresponding path program 1 times [2022-11-03 02:31:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:41,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621073191] [2022-11-03 02:31:41,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:41,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:41,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:41,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621073191] [2022-11-03 02:31:41,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621073191] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:31:41,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879266616] [2022-11-03 02:31:41,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:41,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:31:41,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:31:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:41,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:31:41,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:31:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:41,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:31:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:41,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879266616] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:31:41,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [337669293] [2022-11-03 02:31:41,734 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:31:41,737 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:31:41,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-03 02:31:41,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261067526] [2022-11-03 02:31:41,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:31:41,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:31:41,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:41,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:31:41,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:31:41,739 INFO L87 Difference]: Start difference. First operand 2556 states and 8997 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:42,010 INFO L93 Difference]: Finished difference Result 2810 states and 9672 transitions. [2022-11-03 02:31:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:42,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 02:31:42,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:42,032 INFO L225 Difference]: With dead ends: 2810 [2022-11-03 02:31:42,033 INFO L226 Difference]: Without dead ends: 2808 [2022-11-03 02:31:42,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:31:42,034 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 104 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:42,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 114 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:31:42,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2022-11-03 02:31:42,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 2808. [2022-11-03 02:31:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2798 states have (on average 3.4560400285918513) internal successors, (9670), 2807 states have internal predecessors, (9670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 9670 transitions. [2022-11-03 02:31:42,161 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 9670 transitions. Word has length 13 [2022-11-03 02:31:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:42,161 INFO L495 AbstractCegarLoop]: Abstraction has 2808 states and 9670 transitions. [2022-11-03 02:31:42,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 9670 transitions. [2022-11-03 02:31:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:31:42,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:42,164 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:42,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:31:42,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:42,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:42,378 INFO L85 PathProgramCache]: Analyzing trace with hash -374116635, now seen corresponding path program 2 times [2022-11-03 02:31:42,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:42,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226636724] [2022-11-03 02:31:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 02:31:42,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:42,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226636724] [2022-11-03 02:31:42,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226636724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:42,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:42,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:42,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713392104] [2022-11-03 02:31:42,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:42,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:42,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:42,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:42,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:42,739 INFO L87 Difference]: Start difference. First operand 2808 states and 9670 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:43,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:43,255 INFO L93 Difference]: Finished difference Result 2616 states and 8976 transitions. [2022-11-03 02:31:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:43,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 14 [2022-11-03 02:31:43,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:43,293 INFO L225 Difference]: With dead ends: 2616 [2022-11-03 02:31:43,294 INFO L226 Difference]: Without dead ends: 2616 [2022-11-03 02:31:43,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:43,295 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 41 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:43,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 28 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:31:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2022-11-03 02:31:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2616. [2022-11-03 02:31:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2616 states, 2609 states have (on average 3.4403986201609813) internal successors, (8976), 2615 states have internal predecessors, (8976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 8976 transitions. [2022-11-03 02:31:43,433 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 8976 transitions. Word has length 14 [2022-11-03 02:31:43,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:43,433 INFO L495 AbstractCegarLoop]: Abstraction has 2616 states and 8976 transitions. [2022-11-03 02:31:43,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 8976 transitions. [2022-11-03 02:31:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:31:43,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:43,437 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:43,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:31:43,438 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:43,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:43,438 INFO L85 PathProgramCache]: Analyzing trace with hash -250272967, now seen corresponding path program 1 times [2022-11-03 02:31:43,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:43,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398612113] [2022-11-03 02:31:43,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:43,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 02:31:43,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:43,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398612113] [2022-11-03 02:31:43,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398612113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:43,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:43,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:43,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702345860] [2022-11-03 02:31:43,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:43,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:43,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:43,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:43,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:43,780 INFO L87 Difference]: Start difference. First operand 2616 states and 8976 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:44,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:44,133 INFO L93 Difference]: Finished difference Result 2424 states and 8282 transitions. [2022-11-03 02:31:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:44,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 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 18 [2022-11-03 02:31:44,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:44,146 INFO L225 Difference]: With dead ends: 2424 [2022-11-03 02:31:44,147 INFO L226 Difference]: Without dead ends: 2406 [2022-11-03 02:31:44,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:44,148 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 42 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:44,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 29 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:31:44,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2022-11-03 02:31:44,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2406. [2022-11-03 02:31:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 2402 states have (on average 3.433805162364696) internal successors, (8248), 2405 states have internal predecessors, (8248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 8248 transitions. [2022-11-03 02:31:44,221 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 8248 transitions. Word has length 18 [2022-11-03 02:31:44,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:44,221 INFO L495 AbstractCegarLoop]: Abstraction has 2406 states and 8248 transitions. [2022-11-03 02:31:44,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 8248 transitions. [2022-11-03 02:31:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:31:44,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:44,226 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] [2022-11-03 02:31:44,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:31:44,226 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:44,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1403216337, now seen corresponding path program 1 times [2022-11-03 02:31:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:44,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279505589] [2022-11-03 02:31:44,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:44,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:31:44,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:44,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279505589] [2022-11-03 02:31:44,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279505589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:44,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:44,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:44,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978607396] [2022-11-03 02:31:44,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:44,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:44,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:44,557 INFO L87 Difference]: Start difference. First operand 2406 states and 8248 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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) [2022-11-03 02:31:44,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:44,825 INFO L93 Difference]: Finished difference Result 2346 states and 8078 transitions. [2022-11-03 02:31:44,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:44,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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 [2022-11-03 02:31:44,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:44,836 INFO L225 Difference]: With dead ends: 2346 [2022-11-03 02:31:44,836 INFO L226 Difference]: Without dead ends: 2346 [2022-11-03 02:31:44,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:44,837 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:44,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 21 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:31:44,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2022-11-03 02:31:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2346. [2022-11-03 02:31:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2344 states have (on average 3.446245733788396) internal successors, (8078), 2345 states have internal predecessors, (8078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 8078 transitions. [2022-11-03 02:31:44,941 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 8078 transitions. Word has length 22 [2022-11-03 02:31:44,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:44,942 INFO L495 AbstractCegarLoop]: Abstraction has 2346 states and 8078 transitions. [2022-11-03 02:31:44,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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) [2022-11-03 02:31:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 8078 transitions. [2022-11-03 02:31:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:31:44,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:44,949 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] [2022-11-03 02:31:44,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:31:44,949 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:44,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1472546735, now seen corresponding path program 1 times [2022-11-03 02:31:44,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:44,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448044734] [2022-11-03 02:31:44,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:44,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:45,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448044734] [2022-11-03 02:31:45,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448044734] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:31:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824495577] [2022-11-03 02:31:45,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:45,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:45,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:45,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:31:45,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:31:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:45,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 02:31:45,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:31:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:45,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:31:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:31:45,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824495577] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:31:45,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [645862374] [2022-11-03 02:31:45,592 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:31:45,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:31:45,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-03 02:31:45,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021318037] [2022-11-03 02:31:45,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:31:45,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:31:45,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:45,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:31:45,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:31:45,595 INFO L87 Difference]: Start difference. First operand 2346 states and 8078 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:45,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:45,781 INFO L93 Difference]: Finished difference Result 2327 states and 8038 transitions. [2022-11-03 02:31:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:31:45,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:31:45,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:45,791 INFO L225 Difference]: With dead ends: 2327 [2022-11-03 02:31:45,792 INFO L226 Difference]: Without dead ends: 2100 [2022-11-03 02:31:45,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:31:45,794 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 89 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:45,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 82 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:31:45,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-11-03 02:31:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2022-11-03 02:31:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 3.533111005240591) internal successors, (7416), 2099 states have internal predecessors, (7416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 7416 transitions. [2022-11-03 02:31:45,861 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 7416 transitions. Word has length 32 [2022-11-03 02:31:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:45,862 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 7416 transitions. [2022-11-03 02:31:45,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 7416 transitions. [2022-11-03 02:31:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 02:31:45,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:45,870 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:45,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:31:46,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:46,086 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-11-03 02:31:46,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:46,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1641613414, now seen corresponding path program 2 times [2022-11-03 02:31:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:46,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600446803] [2022-11-03 02:31:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:46,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 02:31:46,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:46,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600446803] [2022-11-03 02:31:46,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600446803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:46,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:46,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:46,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519435684] [2022-11-03 02:31:46,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:46,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:46,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:46,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:46,511 INFO L87 Difference]: Start difference. First operand 2100 states and 7416 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:46,724 INFO L93 Difference]: Finished difference Result 2089 states and 7395 transitions. [2022-11-03 02:31:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-03 02:31:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:46,726 INFO L225 Difference]: With dead ends: 2089 [2022-11-03 02:31:46,726 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:31:46,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:46,727 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:46,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:31:46,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:31:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:31:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:31:46,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-03 02:31:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:46,728 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:31:46,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:31:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:31:46,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:31:46,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2022-11-03 02:31:46,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2022-11-03 02:31:46,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2022-11-03 02:31:46,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2022-11-03 02:31:46,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2022-11-03 02:31:46,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2022-11-03 02:31:46,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2022-11-03 02:31:46,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2022-11-03 02:31:46,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2022-11-03 02:31:46,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2022-11-03 02:31:46,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2022-11-03 02:31:46,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2022-11-03 02:31:46,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2022-11-03 02:31:46,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2022-11-03 02:31:46,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2022-11-03 02:31:46,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2022-11-03 02:31:46,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2022-11-03 02:31:46,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2022-11-03 02:31:46,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2022-11-03 02:31:46,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2022-11-03 02:31:46,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2022-11-03 02:31:46,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2022-11-03 02:31:46,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2022-11-03 02:31:46,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2022-11-03 02:31:46,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2022-11-03 02:31:46,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2022-11-03 02:31:46,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2022-11-03 02:31:46,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2022-11-03 02:31:46,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2022-11-03 02:31:46,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2022-11-03 02:31:46,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2022-11-03 02:31:46,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2022-11-03 02:31:46,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2022-11-03 02:31:46,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2022-11-03 02:31:46,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2022-11-03 02:31:46,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2022-11-03 02:31:46,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2022-11-03 02:31:46,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2022-11-03 02:31:46,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2022-11-03 02:31:46,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2022-11-03 02:31:46,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2022-11-03 02:31:46,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2022-11-03 02:31:46,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2022-11-03 02:31:46,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2022-11-03 02:31:46,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2022-11-03 02:31:46,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 80 remaining) [2022-11-03 02:31:46,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 80 remaining) [2022-11-03 02:31:46,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 80 remaining) [2022-11-03 02:31:46,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2022-11-03 02:31:46,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2022-11-03 02:31:46,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2022-11-03 02:31:46,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2022-11-03 02:31:46,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2022-11-03 02:31:46,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2022-11-03 02:31:46,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2022-11-03 02:31:46,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2022-11-03 02:31:46,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2022-11-03 02:31:46,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2022-11-03 02:31:46,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2022-11-03 02:31:46,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2022-11-03 02:31:46,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2022-11-03 02:31:46,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2022-11-03 02:31:46,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2022-11-03 02:31:46,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2022-11-03 02:31:46,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2022-11-03 02:31:46,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2022-11-03 02:31:46,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2022-11-03 02:31:46,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2022-11-03 02:31:46,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2022-11-03 02:31:46,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2022-11-03 02:31:46,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2022-11-03 02:31:46,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2022-11-03 02:31:46,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2022-11-03 02:31:46,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2022-11-03 02:31:46,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2022-11-03 02:31:46,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2022-11-03 02:31:46,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2022-11-03 02:31:46,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2022-11-03 02:31:46,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2022-11-03 02:31:46,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2022-11-03 02:31:46,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:31:46,753 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-11-03 02:31:46,759 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:31:46,759 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:31:46,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:31:46 BasicIcfg [2022-11-03 02:31:46,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:31:46,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:31:46,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:31:46,764 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:31:46,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:23" (3/4) ... [2022-11-03 02:31:46,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:31:46,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-03 02:31:46,775 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-03 02:31:46,775 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-03 02:31:46,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-03 02:31:46,782 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 02:31:46,782 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:31:46,783 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:31:46,832 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:31:46,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:31:46,833 INFO L158 Benchmark]: Toolchain (without parser) took 25356.88ms. Allocated memory was 98.6MB in the beginning and 580.9MB in the end (delta: 482.3MB). Free memory was 63.4MB in the beginning and 173.5MB in the end (delta: -110.1MB). Peak memory consumption was 371.3MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,833 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:31:46,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.66ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 70.6MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.54ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 67.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,834 INFO L158 Benchmark]: Boogie Preprocessor took 88.38ms. Allocated memory is still 98.6MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,835 INFO L158 Benchmark]: RCFGBuilder took 1355.01ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 64.7MB in the beginning and 73.1MB in the end (delta: -8.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,835 INFO L158 Benchmark]: TraceAbstraction took 23207.22ms. Allocated memory was 123.7MB in the beginning and 580.9MB in the end (delta: 457.2MB). Free memory was 72.4MB in the beginning and 176.7MB in the end (delta: -104.2MB). Peak memory consumption was 354.0MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,836 INFO L158 Benchmark]: Witness Printer took 68.42ms. Allocated memory is still 580.9MB. Free memory was 176.7MB in the beginning and 173.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:31:46,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.66ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 70.6MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.54ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 67.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.38ms. Allocated memory is still 98.6MB. Free memory was 67.2MB in the beginning and 64.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1355.01ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 64.7MB in the beginning and 73.1MB in the end (delta: -8.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 23207.22ms. Allocated memory was 123.7MB in the beginning and 580.9MB in the end (delta: 457.2MB). Free memory was 72.4MB in the beginning and 176.7MB in the end (delta: -104.2MB). Peak memory consumption was 354.0MB. Max. memory is 16.1GB. * Witness Printer took 68.42ms. Allocated memory is still 580.9MB. Free memory was 176.7MB in the beginning and 173.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.8s, 277 PlacesBefore, 102 PlacesAfterwards, 276 TransitionsBefore, 97 TransitionsAfterwards, 9612 CoEnabledTransitionPairs, 12 FixpointIterations, 156 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 0 ConcurrentYvCompositions, 4 ChoiceCompositions, 266 TotalNumberOfCompositions, 46786 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19891, positive: 19083, positive conditional: 0, positive unconditional: 19083, negative: 808, negative conditional: 0, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6065, positive: 5945, positive conditional: 0, positive unconditional: 5945, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6065, positive: 5188, positive conditional: 0, positive unconditional: 5188, negative: 877, negative conditional: 0, negative unconditional: 877, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 877, positive: 757, positive conditional: 0, positive unconditional: 757, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3112, positive: 2522, positive conditional: 0, positive unconditional: 2522, negative: 590, negative conditional: 0, negative unconditional: 590, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19891, positive: 13138, positive conditional: 0, positive unconditional: 13138, negative: 688, negative conditional: 0, negative unconditional: 688, unknown: 6065, unknown conditional: 0, unknown unconditional: 6065] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 1358, Positive conditional cache size: 0, Positive unconditional cache size: 1358, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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 7 procedures, 360 locations, 80 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 376 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 376 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 611 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1343 IncrementalHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 172 mSDtfsCounter, 1343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39295occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 843 SizeOfPredicates, 10 NumberOfNonLiveVariables, 533 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 10/16 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 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 02:31:46,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17d608d-5b97-4101-9dce-16d03d739488/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE