./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:25:26,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:25:26,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-13 12:25:26,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:25:26,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:25:26,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:25:26,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:25:26,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:25:26,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:25:26,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:25:26,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:25:26,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:25:26,186 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:25:26,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:25:26,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:25:26,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:25:26,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:25:26,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:25:26,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:25:26,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:25:26,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:25:26,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:25:26,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:25:26,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:25:26,191 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-13 12:25:26,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:25:26,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:25:26,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:25:26,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:25:26,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:25:26,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:25:26,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:25:26,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:25:26,193 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:25:26,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:25:26,194 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:25:26,194 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:25:26,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-11-13 12:25:26,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:25:26,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:25:26,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:25:26,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:25:26,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:25:26,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i Unable to find full path for "g++" [2024-11-13 12:25:28,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:25:29,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:25:29,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-13 12:25:29,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/data/e460a9f2a/e29b3a75a5d54f22b4f02daf8b19a5ff/FLAG520081f0b [2024-11-13 12:25:29,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/data/e460a9f2a/e29b3a75a5d54f22b4f02daf8b19a5ff [2024-11-13 12:25:29,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:25:29,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:25:29,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:25:29,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:25:29,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:25:29,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:25:29" (1/1) ... [2024-11-13 12:25:29,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac46ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:29, skipping insertion in model container [2024-11-13 12:25:29,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:25:29" (1/1) ... [2024-11-13 12:25:29,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:25:30,163 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,164 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,165 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,166 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:25:30,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:25:30,355 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,356 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,357 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,359 WARN L1684 CHandler]: Possible shadowing of function new [2024-11-13 12:25:30,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:25:30,519 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:25:30,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30 WrapperNode [2024-11-13 12:25:30,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:25:30,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:25:30,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:25:30,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:25:30,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,630 INFO L138 Inliner]: procedures = 280, calls = 176, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 579 [2024-11-13 12:25:30,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:25:30,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:25:30,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:25:30,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:25:30,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:25:30,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:25:30,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:25:30,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:25:30,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (1/1) ... [2024-11-13 12:25:30,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:25:30,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:30,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:25:30,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:25:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:25:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 12:25:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-13 12:25:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-13 12:25:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:25:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:25:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 12:25:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:25:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-13 12:25:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-13 12:25:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:25:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 12:25:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:25:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:25:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 12:25:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:25:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:25:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:25:30,809 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:25:31,041 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:25:31,043 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:25:32,380 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:25:32,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:25:32,474 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:25:32,478 INFO L316 CfgBuilder]: Removed 30 assume(true) statements. [2024-11-13 12:25:32,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:25:32 BoogieIcfgContainer [2024-11-13 12:25:32,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:25:32,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:25:32,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:25:32,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:25:32,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:25:29" (1/3) ... [2024-11-13 12:25:32,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc918c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:25:32, skipping insertion in model container [2024-11-13 12:25:32,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:25:30" (2/3) ... [2024-11-13 12:25:32,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc918c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:25:32, skipping insertion in model container [2024-11-13 12:25:32,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:25:32" (3/3) ... [2024-11-13 12:25:32,496 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-11-13 12:25:32,519 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:25:32,526 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_90-arrayloop2_racing.i that has 3 procedures, 579 locations, 1 initial locations, 20 loop locations, and 28 error locations. [2024-11-13 12:25:32,527 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:25:32,857 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 12:25:32,977 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:25:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:25:32,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:32,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:25:32,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:25:33,035 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:25:33,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2024-11-13 12:25:33,064 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b72372d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:25:33,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 12:25:34,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:34,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:34,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:34,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:42,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:42,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:43,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:25:43,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash -85152690, now seen corresponding path program 1 times [2024-11-13 12:25:43,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:43,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481488453] [2024-11-13 12:25:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:43,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:25:43,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:43,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481488453] [2024-11-13 12:25:43,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481488453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:25:43,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:25:43,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:25:43,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603866878] [2024-11-13 12:25:43,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:25:43,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:25:43,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:25:43,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:25:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:43,870 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:43,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:25:43,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:44,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:25:44,218 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:25:44,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash -2055609661, now seen corresponding path program 1 times [2024-11-13 12:25:44,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:44,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184777648] [2024-11-13 12:25:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:44,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:25:44,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:44,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184777648] [2024-11-13 12:25:44,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184777648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:25:44,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:25:44,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:25:44,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264648395] [2024-11-13 12:25:44,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:25:44,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:25:44,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:44,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:25:44,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:25:44,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:44,655 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:44,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:25:44,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:44,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:44,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:25:44,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:25:44,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:44,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1469343158, now seen corresponding path program 1 times [2024-11-13 12:25:44,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:44,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109565312] [2024-11-13 12:25:44,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:44,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:25:45,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:45,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109565312] [2024-11-13 12:25:45,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109565312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:45,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313859239] [2024-11-13 12:25:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:45,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:45,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:45,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:25:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:46,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:25:46,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:25:46,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:25:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:25:46,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313859239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:25:46,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:25:46,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 12:25:46,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548975955] [2024-11-13 12:25:46,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:25:46,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:25:46,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:25:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:25:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:46,441 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:46,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 48.0) internal successors, (480), 10 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:25:46,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:46,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:46,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:25:46,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:25:47,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:47,007 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:25:47,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:25:47,008 INFO L85 PathProgramCache]: Analyzing trace with hash 112005400, now seen corresponding path program 2 times [2024-11-13 12:25:47,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:25:47,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487878687] [2024-11-13 12:25:47,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:25:47,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:25:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:25:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-13 12:25:48,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:25:48,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487878687] [2024-11-13 12:25:48,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487878687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:25:48,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055702054] [2024-11-13 12:25:48,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:25:48,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:25:48,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:25:48,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:25:48,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:25:48,718 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:25:48,719 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:25:48,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:25:48,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:25:48,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 12:25:48,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 12:25:48,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:25:48,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 12:25:48,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:25:48,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 12:25:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-13 12:25:48,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:25:48,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055702054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:25:48,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:25:48,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-13 12:25:48,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682211398] [2024-11-13 12:25:48,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:25:48,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:25:48,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:25:48,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:25:48,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:25:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:48,997 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:25:48,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 59.6) internal successors, (298), 6 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:25:48,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:48,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:25:48,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:25:48,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:25:49,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:49,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:49,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:25:49,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:02,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:02,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:04,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:04,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:26:04,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:04,472 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:04,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:04,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1904219525, now seen corresponding path program 1 times [2024-11-13 12:26:04,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:04,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499432365] [2024-11-13 12:26:04,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-13 12:26:05,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:05,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499432365] [2024-11-13 12:26:05,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499432365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:05,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006643954] [2024-11-13 12:26:05,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:05,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:05,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:05,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:05,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:26:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:06,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:26:06,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:26:06,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:26:07,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006643954] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:07,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:07,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-13 12:26:07,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72529034] [2024-11-13 12:26:07,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:07,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:26:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:07,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:26:07,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:26:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:07,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:07,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 46.73684210526316) internal successors, (888), 19 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:07,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:07,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:07,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:07,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:07,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:08,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:26:09,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:09,025 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:09,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:09,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1725844945, now seen corresponding path program 2 times [2024-11-13 12:26:09,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:09,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730943632] [2024-11-13 12:26:09,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:09,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-13 12:26:13,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:13,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730943632] [2024-11-13 12:26:13,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730943632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:13,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113073684] [2024-11-13 12:26:13,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:26:13,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:13,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:13,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:13,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:26:14,161 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:26:14,161 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:26:14,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:26:14,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:14,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:26:14,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 12:26:14,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:26:14,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-13 12:26:14,368 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:26:14,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-13 12:26:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8250 trivial. 0 not checked. [2024-11-13 12:26:14,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:26:14,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113073684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:26:14,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:26:14,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-13 12:26:14,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969834936] [2024-11-13 12:26:14,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:26:14,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:26:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:26:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:26:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:14,418 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:14,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 63.0) internal successors, (315), 6 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:14,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:14,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:14,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:14,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:15,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:15,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:16,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:26:16,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 12:26:16,283 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1146987968, now seen corresponding path program 1 times [2024-11-13 12:26:16,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494238643] [2024-11-13 12:26:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:16,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-13 12:26:19,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:19,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494238643] [2024-11-13 12:26:19,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494238643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:19,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74713516] [2024-11-13 12:26:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:19,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:19,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:19,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:19,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:26:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:20,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 5946 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:26:21,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-13 12:26:22,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-13 12:26:23,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74713516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:23,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:23,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-13 12:26:23,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297441599] [2024-11-13 12:26:23,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:23,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-13 12:26:23,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:23,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-13 12:26:23,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 12:26:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:23,350 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:23,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 49.285714285714285) internal successors, (1725), 35 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:23,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:32,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 12:26:32,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-13 12:26:32,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr6ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 12:26:32,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr5ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-13 12:26:32,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-13 12:26:32,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 12:26:32,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 12:26:32,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 12:26:32,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:26:32,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 12:26:32,229 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2024-11-13 12:26:32,231 INFO L320 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-13 12:26:32,240 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:26:32,241 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:26:32,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork1 ======== [2024-11-13 12:26:32,242 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b72372d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:26:32,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 12:26:32,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:32,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:32,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:32,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:32,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2072555818, now seen corresponding path program 1 times [2024-11-13 12:26:32,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:32,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992756278] [2024-11-13 12:26:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:32,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992756278] [2024-11-13 12:26:32,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992756278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:26:32,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:26:32,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:26:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978663543] [2024-11-13 12:26:32,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:26:32,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:26:32,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:32,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:26:32,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:26:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:32,765 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:32,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:32,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:26:32,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:32,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1358550133, now seen corresponding path program 1 times [2024-11-13 12:26:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:32,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796167221] [2024-11-13 12:26:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:32,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:32,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:32,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796167221] [2024-11-13 12:26:32,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796167221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:26:32,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:26:32,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:26:32,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185666827] [2024-11-13 12:26:32,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:26:32,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:26:32,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:32,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:26:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:26:32,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:32,942 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:32,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:32,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:32,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:32,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:26:32,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:32,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:32,994 INFO L85 PathProgramCache]: Analyzing trace with hash 20416210, now seen corresponding path program 1 times [2024-11-13 12:26:32,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:32,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791861329] [2024-11-13 12:26:32,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:32,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:33,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791861329] [2024-11-13 12:26:33,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791861329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612818704] [2024-11-13 12:26:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:33,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:33,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:33,368 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:33,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:26:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:34,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:26:34,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:34,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:34,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612818704] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:34,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:34,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 12:26:34,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850951931] [2024-11-13 12:26:34,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:34,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:26:34,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:34,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:26:34,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:26:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:34,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:34,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 46.2) internal successors, (462), 10 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:34,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:34,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:34,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:34,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:34,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:26:34,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 12:26:34,831 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1_funErr0ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:34,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:34,831 INFO L85 PathProgramCache]: Analyzing trace with hash 197047584, now seen corresponding path program 2 times [2024-11-13 12:26:34,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:34,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653538201] [2024-11-13 12:26:34,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:34,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-13 12:26:35,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:35,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653538201] [2024-11-13 12:26:35,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653538201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:35,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939305413] [2024-11-13 12:26:35,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:26:35,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:35,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:35,490 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:35,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:26:36,324 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:26:36,324 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:26:36,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 12:26:36,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:36,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 12:26:36,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 12:26:36,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:26:36,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 12:26:36,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:26:36,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 12:26:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-13 12:26:36,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:26:36,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939305413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:26:36,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:26:36,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-13 12:26:36,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486632800] [2024-11-13 12:26:36,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:26:36,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:26:36,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:36,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:26:36,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:26:36,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:36,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:36,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 56.0) internal successors, (280), 6 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:36,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:36,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:36,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:36,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:37,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:37,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:38,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:26:38,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 12:26:38,693 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1_funErr1ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:38,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:38,693 INFO L85 PathProgramCache]: Analyzing trace with hash -588691453, now seen corresponding path program 1 times [2024-11-13 12:26:38,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:38,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617875871] [2024-11-13 12:26:38,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:38,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-13 12:26:39,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:39,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617875871] [2024-11-13 12:26:39,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617875871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:39,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771647313] [2024-11-13 12:26:39,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:39,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:39,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:39,231 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:26:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:40,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:26:40,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:40,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:26:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771647313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:41,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-13 12:26:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538567011] [2024-11-13 12:26:41,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:41,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 12:26:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:41,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 12:26:41,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:26:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:41,087 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:41,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 45.78947368421053) internal successors, (870), 19 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:41,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:42,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:26:42,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 12:26:42,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1_funErr1ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:42,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:42,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1596544183, now seen corresponding path program 2 times [2024-11-13 12:26:42,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:42,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443631841] [2024-11-13 12:26:42,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:42,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-13 12:26:46,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:46,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443631841] [2024-11-13 12:26:46,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443631841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:46,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328893086] [2024-11-13 12:26:46,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:26:46,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:46,690 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:46,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:26:48,030 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:26:48,030 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:26:48,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:26:48,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:48,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:26:48,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 12:26:48,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:26:48,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-13 12:26:48,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:26:48,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-13 12:26:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-13 12:26:48,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:26:48,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328893086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:26:48,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:26:48,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-13 12:26:48,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575843543] [2024-11-13 12:26:48,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:26:48,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:26:48,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:48,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:26:48,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-13 12:26:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:48,207 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:48,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 59.4) internal successors, (297), 6 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:48,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:48,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:48,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:26:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:49,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:26:49,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 12:26:49,454 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1_funErr2ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:49,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1410566216, now seen corresponding path program 1 times [2024-11-13 12:26:49,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:49,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811628949] [2024-11-13 12:26:49,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:26:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-13 12:26:53,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:26:53,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811628949] [2024-11-13 12:26:53,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811628949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:26:53,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641583060] [2024-11-13 12:26:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:53,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:26:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:26:53,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:26:53,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:26:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:26:56,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 5877 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:26:56,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:26:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-13 12:26:57,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:26:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-13 12:26:58,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641583060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:26:58,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:26:58,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-13 12:26:58,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057950447] [2024-11-13 12:26:58,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:26:58,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 12:26:58,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:26:58,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 12:26:58,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 12:26:58,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:58,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:26:58,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 49.470588235294116) internal successors, (1682), 34 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:26:58,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:58,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:58,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:58,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:26:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:26:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:26:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:26:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:26:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:26:59,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:26:59,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 12:26:59,479 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1_funErr2ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:26:59,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:26:59,480 INFO L85 PathProgramCache]: Analyzing trace with hash 502125384, now seen corresponding path program 2 times [2024-11-13 12:26:59,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:26:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991051231] [2024-11-13 12:26:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:26:59,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:27:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:27:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-13 12:27:17,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:27:17,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991051231] [2024-11-13 12:27:17,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991051231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:27:17,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305981894] [2024-11-13 12:27:17,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:27:17,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:27:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:27:17,157 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:27:17,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:27:19,980 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:27:19,980 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:27:19,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 12:27:20,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:27:20,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:27:20,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 12:27:20,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:27:20,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-13 12:27:20,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:27:20,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-13 12:27:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-13 12:27:20,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:27:20,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305981894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:27:20,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:27:20,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-13 12:27:20,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952228325] [2024-11-13 12:27:20,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:27:20,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:27:20,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:27:20,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:27:20,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-13 12:27:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:27:20,395 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:27:20,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 61.0) internal successors, (305), 6 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:27:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:27:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:27:20,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:27:20,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:27:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:21,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 12:27:22,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 12:27:22,098 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1_funErr4ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:27:22,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:27:22,099 INFO L85 PathProgramCache]: Analyzing trace with hash -955240493, now seen corresponding path program 1 times [2024-11-13 12:27:22,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:27:22,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183897257] [2024-11-13 12:27:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:27:22,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:27:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:27:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-13 12:27:39,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:27:39,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183897257] [2024-11-13 12:27:39,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183897257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:27:39,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942982890] [2024-11-13 12:27:39,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:27:39,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:27:39,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:27:39,452 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:27:39,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:27:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:27:44,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 11850 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 12:27:44,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:27:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-13 12:27:46,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:27:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-13 12:27:49,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942982890] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:27:49,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:27:49,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-13 12:27:49,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936832861] [2024-11-13 12:27:49,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:27:49,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-13 12:27:49,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:27:49,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-13 12:27:49,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 12:27:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:27:49,792 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:27:49,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 48.476190476190474) internal successors, (3054), 63 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:49,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:27:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:27:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-13 12:27:53,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:27:53,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:27:53,378 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1_funErr4ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:27:53,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:27:53,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1563870131, now seen corresponding path program 2 times [2024-11-13 12:27:53,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:27:53,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990043257] [2024-11-13 12:27:53,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:27:53,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:27:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:28:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 159451 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78360 trivial. 0 not checked. [2024-11-13 12:28:12,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:28:12,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990043257] [2024-11-13 12:28:12,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990043257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:28:12,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848709815] [2024-11-13 12:28:12,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:28:12,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:28:12,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:28:12,521 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:28:12,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:28:16,488 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:28:16,488 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:28:16,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:28:16,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:28:16,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:28:16,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 12:28:16,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:28:16,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-13 12:28:16,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:28:16,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-13 12:28:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 159451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159451 trivial. 0 not checked. [2024-11-13 12:28:16,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:28:16,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848709815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:28:16,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:28:16,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-13 12:28:16,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709247828] [2024-11-13 12:28:16,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:28:16,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:28:16,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:28:16,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:28:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:28:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:16,849 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:28:16,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.4) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:28:16,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:16,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:16,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-11-13 12:28:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:28:17,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:28:17,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 12:28:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-13 12:28:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:28:18,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 12:28:18,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb4365e-1872-42c1-8d70-e85b979a88a9/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:28:18,381 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1_funErr6ASSERT_VIOLATIONDATA_RACE === [t1_funErr0ASSERT_VIOLATIONDATA_RACE, t1_funErr6ASSERT_VIOLATIONDATA_RACE, t1_funErr5ASSERT_VIOLATIONDATA_RACE, t1_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-13 12:28:18,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:28:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash 97570460, now seen corresponding path program 1 times [2024-11-13 12:28:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:28:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583694132] [2024-11-13 12:28:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:28:18,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:28:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat