./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:17,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:17,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 20:31:17,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:17,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:17,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:17,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:17,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:17,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:17,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:17,517 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:17,518 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:17,518 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:17,520 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:17,521 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:17,521 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:17,522 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:17,522 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:17,523 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:17,523 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:17,524 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:17,525 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:17,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:17,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:17,527 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:17,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:17,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:17,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:17,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:17,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:17,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:17,532 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 20:31:17,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:31:17,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:17,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:17,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:17,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:17,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:17,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:17,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:17,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:17,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:17,535 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:17,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:17,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:17,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:17,537 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:17,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:17,537 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2023-11-23 20:31:17,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:17,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:17,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:17,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:17,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:17,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-11-23 20:31:21,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:21,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:21,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-11-23 20:31:21,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/data/14fda5a5c/8490ec804208428f9b1ad7ad0e999117/FLAG4e254ce67 [2023-11-23 20:31:21,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/data/14fda5a5c/8490ec804208428f9b1ad7ad0e999117 [2023-11-23 20:31:21,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:21,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:21,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:21,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:21,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:21,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3269bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21, skipping insertion in model container [2023-11-23 20:31:21,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:21,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:21,710 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:21,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:21,761 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:21,762 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:31:21,773 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:21,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21 WrapperNode [2023-11-23 20:31:21,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:21,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:21,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:21,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:21,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,834 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 275 [2023-11-23 20:31:21,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:21,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:21,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:21,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:21,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:21,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:21,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:21,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:21,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (1/1) ... [2023-11-23 20:31:21,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:21,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:21,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:21,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:31:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:31:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:31:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:31:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:31:22,007 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:31:22,128 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:22,131 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:22,758 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:23,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:23,102 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:31:23,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:23 BoogieIcfgContainer [2023-11-23 20:31:23,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:23,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:23,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:23,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:23,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:21" (1/3) ... [2023-11-23 20:31:23,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2fcb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:23, skipping insertion in model container [2023-11-23 20:31:23,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:21" (2/3) ... [2023-11-23 20:31:23,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2fcb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:23, skipping insertion in model container [2023-11-23 20:31:23,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:23" (3/3) ... [2023-11-23 20:31:23,116 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2023-11-23 20:31:23,126 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:31:23,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:23,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-23 20:31:23,137 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 20:31:23,247 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 20:31:23,289 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 226 places, 232 transitions, 478 flow [2023-11-23 20:31:23,769 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9652 states, 9266 states have (on average 3.0906540038851715) internal successors, (28638), 9651 states have internal predecessors, (28638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:23,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:23,805 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@356c058b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:23,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-11-23 20:31:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 9652 states, 9266 states have (on average 3.0906540038851715) internal successors, (28638), 9651 states have internal predecessors, (28638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:31:23,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:23,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:23,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:23,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash 635225611, now seen corresponding path program 1 times [2023-11-23 20:31:23,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:23,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493663516] [2023-11-23 20:31:23,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:23,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:24,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:24,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493663516] [2023-11-23 20:31:24,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493663516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:24,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:24,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:24,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087454033] [2023-11-23 20:31:24,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:24,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:24,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:24,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:24,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:24,240 INFO L87 Difference]: Start difference. First operand has 9652 states, 9266 states have (on average 3.0906540038851715) internal successors, (28638), 9651 states have internal predecessors, (28638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:24,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:24,507 INFO L93 Difference]: Finished difference Result 3429 states and 9622 transitions. [2023-11-23 20:31:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:24,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-23 20:31:24,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:24,591 INFO L225 Difference]: With dead ends: 3429 [2023-11-23 20:31:24,591 INFO L226 Difference]: Without dead ends: 3426 [2023-11-23 20:31:24,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:24,598 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 2 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:24,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 327 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:31:24,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2023-11-23 20:31:24,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3426. [2023-11-23 20:31:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 3405 states have (on average 2.824669603524229) internal successors, (9618), 3425 states have internal predecessors, (9618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 9618 transitions. [2023-11-23 20:31:24,891 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 9618 transitions. Word has length 22 [2023-11-23 20:31:24,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:24,892 INFO L495 AbstractCegarLoop]: Abstraction has 3426 states and 9618 transitions. [2023-11-23 20:31:24,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 9618 transitions. [2023-11-23 20:31:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:31:24,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:24,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:24,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:31:24,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:24,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:24,900 INFO L85 PathProgramCache]: Analyzing trace with hash -857527636, now seen corresponding path program 1 times [2023-11-23 20:31:24,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:24,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819869901] [2023-11-23 20:31:24,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:24,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:24,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819869901] [2023-11-23 20:31:25,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819869901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:25,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:25,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:25,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518545094] [2023-11-23 20:31:25,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:25,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:25,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:25,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:25,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:25,004 INFO L87 Difference]: Start difference. First operand 3426 states and 9618 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:25,082 INFO L93 Difference]: Finished difference Result 3425 states and 9617 transitions. [2023-11-23 20:31:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:25,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-11-23 20:31:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:25,120 INFO L225 Difference]: With dead ends: 3425 [2023-11-23 20:31:25,120 INFO L226 Difference]: Without dead ends: 3425 [2023-11-23 20:31:25,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:25,123 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 2 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:25,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 324 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:25,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2023-11-23 20:31:25,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3425. [2023-11-23 20:31:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3425 states, 3405 states have (on average 2.824375917767988) internal successors, (9617), 3424 states have internal predecessors, (9617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 9617 transitions. [2023-11-23 20:31:25,290 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 9617 transitions. Word has length 30 [2023-11-23 20:31:25,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:25,291 INFO L495 AbstractCegarLoop]: Abstraction has 3425 states and 9617 transitions. [2023-11-23 20:31:25,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 9617 transitions. [2023-11-23 20:31:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:31:25,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:25,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:25,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:31:25,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:25,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:25,306 INFO L85 PathProgramCache]: Analyzing trace with hash -27899320, now seen corresponding path program 1 times [2023-11-23 20:31:25,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:25,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155749071] [2023-11-23 20:31:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:25,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:25,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:25,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155749071] [2023-11-23 20:31:25,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155749071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:25,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:25,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:25,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989226229] [2023-11-23 20:31:25,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:25,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:25,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:25,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:25,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:25,400 INFO L87 Difference]: Start difference. First operand 3425 states and 9617 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:25,530 INFO L93 Difference]: Finished difference Result 6417 states and 18147 transitions. [2023-11-23 20:31:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:25,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-11-23 20:31:25,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:25,592 INFO L225 Difference]: With dead ends: 6417 [2023-11-23 20:31:25,593 INFO L226 Difference]: Without dead ends: 6417 [2023-11-23 20:31:25,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:25,595 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 139 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:25,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 265 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6417 states. [2023-11-23 20:31:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6417 to 3424. [2023-11-23 20:31:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3424 states, 3405 states have (on average 2.8240822320117474) internal successors, (9616), 3423 states have internal predecessors, (9616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 9616 transitions. [2023-11-23 20:31:25,760 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 9616 transitions. Word has length 34 [2023-11-23 20:31:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:25,760 INFO L495 AbstractCegarLoop]: Abstraction has 3424 states and 9616 transitions. [2023-11-23 20:31:25,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 9616 transitions. [2023-11-23 20:31:25,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:31:25,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:25,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:25,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:31:25,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:25,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:25,764 INFO L85 PathProgramCache]: Analyzing trace with hash -77854669, now seen corresponding path program 1 times [2023-11-23 20:31:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:25,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129694223] [2023-11-23 20:31:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:25,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:25,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:25,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129694223] [2023-11-23 20:31:25,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129694223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:25,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:25,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:25,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039190207] [2023-11-23 20:31:25,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:25,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:25,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:25,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:25,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:25,811 INFO L87 Difference]: Start difference. First operand 3424 states and 9616 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:25,914 INFO L93 Difference]: Finished difference Result 3423 states and 9615 transitions. [2023-11-23 20:31:25,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:25,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-23 20:31:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:25,945 INFO L225 Difference]: With dead ends: 3423 [2023-11-23 20:31:25,946 INFO L226 Difference]: Without dead ends: 3423 [2023-11-23 20:31:25,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:25,947 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 1 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:25,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 318 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3423 states. [2023-11-23 20:31:26,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3423 to 3423. [2023-11-23 20:31:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3423 states, 3405 states have (on average 2.8237885462555066) internal successors, (9615), 3422 states have internal predecessors, (9615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 9615 transitions. [2023-11-23 20:31:26,067 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 9615 transitions. Word has length 38 [2023-11-23 20:31:26,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:26,067 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 9615 transitions. [2023-11-23 20:31:26,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 9615 transitions. [2023-11-23 20:31:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:31:26,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:26,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:26,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:31:26,070 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:26,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:26,070 INFO L85 PathProgramCache]: Analyzing trace with hash -85418809, now seen corresponding path program 1 times [2023-11-23 20:31:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:26,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769865160] [2023-11-23 20:31:26,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:26,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:26,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769865160] [2023-11-23 20:31:26,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769865160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:26,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:26,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:26,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163149374] [2023-11-23 20:31:26,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:26,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:26,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:26,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:26,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:26,163 INFO L87 Difference]: Start difference. First operand 3423 states and 9615 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:26,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:26,233 INFO L93 Difference]: Finished difference Result 3323 states and 9335 transitions. [2023-11-23 20:31:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-23 20:31:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:26,264 INFO L225 Difference]: With dead ends: 3323 [2023-11-23 20:31:26,264 INFO L226 Difference]: Without dead ends: 3323 [2023-11-23 20:31:26,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:26,265 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 128 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:26,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 198 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2023-11-23 20:31:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3323. [2023-11-23 20:31:26,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3323 states, 3309 states have (on average 2.821093986098519) internal successors, (9335), 3322 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 9335 transitions. [2023-11-23 20:31:26,429 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 9335 transitions. Word has length 41 [2023-11-23 20:31:26,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:26,429 INFO L495 AbstractCegarLoop]: Abstraction has 3323 states and 9335 transitions. [2023-11-23 20:31:26,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 9335 transitions. [2023-11-23 20:31:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:31:26,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:26,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:26,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:31:26,432 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:26,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:26,433 INFO L85 PathProgramCache]: Analyzing trace with hash -819245078, now seen corresponding path program 1 times [2023-11-23 20:31:26,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:26,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362952898] [2023-11-23 20:31:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:26,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:27,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:27,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362952898] [2023-11-23 20:31:27,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362952898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:27,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:27,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:31:27,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824891450] [2023-11-23 20:31:27,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:27,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:31:27,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:27,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:31:27,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:27,175 INFO L87 Difference]: Start difference. First operand 3323 states and 9335 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:27,345 INFO L93 Difference]: Finished difference Result 3322 states and 9334 transitions. [2023-11-23 20:31:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:31:27,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-23 20:31:27,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:27,361 INFO L225 Difference]: With dead ends: 3322 [2023-11-23 20:31:27,361 INFO L226 Difference]: Without dead ends: 3322 [2023-11-23 20:31:27,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:27,363 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 4 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:27,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 551 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:31:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2023-11-23 20:31:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3322. [2023-11-23 20:31:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 3309 states have (on average 2.820791779993956) internal successors, (9334), 3321 states have internal predecessors, (9334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 9334 transitions. [2023-11-23 20:31:27,498 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 9334 transitions. Word has length 71 [2023-11-23 20:31:27,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:27,499 INFO L495 AbstractCegarLoop]: Abstraction has 3322 states and 9334 transitions. [2023-11-23 20:31:27,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 9334 transitions. [2023-11-23 20:31:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:31:27,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:27,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:27,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:31:27,508 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:27,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:27,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2003559805, now seen corresponding path program 1 times [2023-11-23 20:31:27,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:27,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089532533] [2023-11-23 20:31:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:27,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:27,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089532533] [2023-11-23 20:31:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089532533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:27,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:27,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636302838] [2023-11-23 20:31:27,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:27,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:27,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:27,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:27,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:27,557 INFO L87 Difference]: Start difference. First operand 3322 states and 9334 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:27,620 INFO L93 Difference]: Finished difference Result 3321 states and 9333 transitions. [2023-11-23 20:31:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:27,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-11-23 20:31:27,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:27,633 INFO L225 Difference]: With dead ends: 3321 [2023-11-23 20:31:27,633 INFO L226 Difference]: Without dead ends: 3321 [2023-11-23 20:31:27,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:27,638 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:27,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 315 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2023-11-23 20:31:27,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3321. [2023-11-23 20:31:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3321 states, 3309 states have (on average 2.8204895738893927) internal successors, (9333), 3320 states have internal predecessors, (9333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 9333 transitions. [2023-11-23 20:31:27,781 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 9333 transitions. Word has length 71 [2023-11-23 20:31:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:27,782 INFO L495 AbstractCegarLoop]: Abstraction has 3321 states and 9333 transitions. [2023-11-23 20:31:27,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 9333 transitions. [2023-11-23 20:31:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:31:27,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:27,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:27,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 20:31:27,785 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:27,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:27,786 INFO L85 PathProgramCache]: Analyzing trace with hash 726416183, now seen corresponding path program 1 times [2023-11-23 20:31:27,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:27,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85735663] [2023-11-23 20:31:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:27,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:27,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85735663] [2023-11-23 20:31:27,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85735663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:27,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:27,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:27,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264169272] [2023-11-23 20:31:27,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:27,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:27,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:27,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:27,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:27,841 INFO L87 Difference]: Start difference. First operand 3321 states and 9333 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:27,909 INFO L93 Difference]: Finished difference Result 4159 states and 11630 transitions. [2023-11-23 20:31:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:27,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-11-23 20:31:27,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:27,924 INFO L225 Difference]: With dead ends: 4159 [2023-11-23 20:31:27,925 INFO L226 Difference]: Without dead ends: 4159 [2023-11-23 20:31:27,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:27,926 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 69 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:27,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 343 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:27,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2023-11-23 20:31:28,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 3123. [2023-11-23 20:31:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3117 states have (on average 2.8152069297401345) internal successors, (8775), 3122 states have internal predecessors, (8775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 8775 transitions. [2023-11-23 20:31:28,033 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 8775 transitions. Word has length 90 [2023-11-23 20:31:28,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:28,034 INFO L495 AbstractCegarLoop]: Abstraction has 3123 states and 8775 transitions. [2023-11-23 20:31:28,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 8775 transitions. [2023-11-23 20:31:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:31:28,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:28,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:28,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:31:28,037 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:28,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1796896040, now seen corresponding path program 1 times [2023-11-23 20:31:28,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:28,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64416145] [2023-11-23 20:31:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:28,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:28,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:28,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64416145] [2023-11-23 20:31:28,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64416145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:28,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:28,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:31:28,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643073835] [2023-11-23 20:31:28,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:28,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:31:28,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:28,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:31:28,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:28,709 INFO L87 Difference]: Start difference. First operand 3123 states and 8775 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:28,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:28,913 INFO L93 Difference]: Finished difference Result 2853 states and 7947 transitions. [2023-11-23 20:31:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:31:28,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-11-23 20:31:28,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:28,923 INFO L225 Difference]: With dead ends: 2853 [2023-11-23 20:31:28,924 INFO L226 Difference]: Without dead ends: 2853 [2023-11-23 20:31:28,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:28,925 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 182 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:28,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 708 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:31:28,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2023-11-23 20:31:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 2853. [2023-11-23 20:31:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 2849 states have (on average 2.7893997893997895) internal successors, (7947), 2852 states have internal predecessors, (7947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 7947 transitions. [2023-11-23 20:31:29,013 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 7947 transitions. Word has length 91 [2023-11-23 20:31:29,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:29,014 INFO L495 AbstractCegarLoop]: Abstraction has 2853 states and 7947 transitions. [2023-11-23 20:31:29,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 7947 transitions. [2023-11-23 20:31:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:31:29,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:29,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:29,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 20:31:29,023 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:29,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1476304106, now seen corresponding path program 1 times [2023-11-23 20:31:29,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:29,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92301131] [2023-11-23 20:31:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:29,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:29,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92301131] [2023-11-23 20:31:29,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92301131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:29,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:29,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:31:29,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113655949] [2023-11-23 20:31:29,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:29,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:31:29,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:29,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:31:29,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:29,577 INFO L87 Difference]: Start difference. First operand 2853 states and 7947 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:29,731 INFO L93 Difference]: Finished difference Result 2823 states and 7885 transitions. [2023-11-23 20:31:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:31:29,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2023-11-23 20:31:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:29,741 INFO L225 Difference]: With dead ends: 2823 [2023-11-23 20:31:29,741 INFO L226 Difference]: Without dead ends: 2735 [2023-11-23 20:31:29,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:29,742 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 150 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:29,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 623 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:31:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2023-11-23 20:31:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2735. [2023-11-23 20:31:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2735 states, 2733 states have (on average 2.7943651664837175) internal successors, (7637), 2734 states have internal predecessors, (7637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 7637 transitions. [2023-11-23 20:31:29,820 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 7637 transitions. Word has length 105 [2023-11-23 20:31:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:29,821 INFO L495 AbstractCegarLoop]: Abstraction has 2735 states and 7637 transitions. [2023-11-23 20:31:29,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 7637 transitions. [2023-11-23 20:31:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:31:29,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:29,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:29,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 20:31:29,831 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-23 20:31:29,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:29,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1628805646, now seen corresponding path program 1 times [2023-11-23 20:31:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:29,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473865225] [2023-11-23 20:31:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:29,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:29,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473865225] [2023-11-23 20:31:29,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473865225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:29,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:29,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752037202] [2023-11-23 20:31:29,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:29,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:29,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:29,908 INFO L87 Difference]: Start difference. First operand 2735 states and 7637 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:29,946 INFO L93 Difference]: Finished difference Result 2733 states and 7635 transitions. [2023-11-23 20:31:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:29,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-23 20:31:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:29,948 INFO L225 Difference]: With dead ends: 2733 [2023-11-23 20:31:29,948 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:31:29,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:29,949 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 3 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:29,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 302 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:31:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:31:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:31:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:31:29,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2023-11-23 20:31:29,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:29,951 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:31:29,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:31:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:31:29,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:31:29,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-11-23 20:31:29,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-11-23 20:31:29,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-11-23 20:31:29,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-11-23 20:31:29,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-11-23 20:31:29,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-11-23 20:31:29,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-11-23 20:31:29,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-11-23 20:31:29,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-11-23 20:31:29,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-11-23 20:31:29,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-11-23 20:31:29,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-11-23 20:31:29,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-11-23 20:31:29,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-11-23 20:31:29,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-11-23 20:31:29,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-11-23 20:31:29,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-11-23 20:31:29,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-11-23 20:31:29,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-11-23 20:31:29,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-11-23 20:31:29,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-11-23 20:31:29,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-11-23 20:31:29,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-11-23 20:31:29,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-11-23 20:31:29,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-11-23 20:31:29,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-11-23 20:31:29,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-11-23 20:31:29,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-11-23 20:31:29,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-11-23 20:31:29,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-11-23 20:31:29,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-11-23 20:31:29,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-11-23 20:31:29,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-11-23 20:31:29,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-11-23 20:31:29,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2023-11-23 20:31:29,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2023-11-23 20:31:29,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 63 remaining) [2023-11-23 20:31:29,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 63 remaining) [2023-11-23 20:31:29,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2023-11-23 20:31:29,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2023-11-23 20:31:29,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2023-11-23 20:31:29,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-11-23 20:31:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-11-23 20:31:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-11-23 20:31:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-11-23 20:31:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-11-23 20:31:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-11-23 20:31:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-11-23 20:31:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-11-23 20:31:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-11-23 20:31:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-11-23 20:31:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-11-23 20:31:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-11-23 20:31:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-11-23 20:31:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-11-23 20:31:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-11-23 20:31:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-11-23 20:31:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-11-23 20:31:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-11-23 20:31:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-11-23 20:31:29,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-11-23 20:31:29,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-11-23 20:31:29,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-11-23 20:31:29,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 20:31:29,973 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:29,979 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 20:31:29,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:31:29,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:29 BasicIcfg [2023-11-23 20:31:29,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:31:29,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:29,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:29,984 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:29,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:23" (3/4) ... [2023-11-23 20:31:29,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:31:29,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 20:31:29,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 20:31:29,997 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-23 20:31:29,997 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:31:29,998 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:31:29,998 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:31:30,099 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:31:30,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:31:30,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:30,101 INFO L158 Benchmark]: Toolchain (without parser) took 8730.68ms. Allocated memory was 155.2MB in the beginning and 339.7MB in the end (delta: 184.5MB). Free memory was 108.5MB in the beginning and 108.1MB in the end (delta: 449.3kB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,101 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:30,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.70ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 95.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.88ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 93.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,103 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,103 INFO L158 Benchmark]: RCFGBuilder took 1220.26ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 90.5MB in the beginning and 115.5MB in the end (delta: -25.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,104 INFO L158 Benchmark]: TraceAbstraction took 6877.09ms. Allocated memory was 195.0MB in the beginning and 339.7MB in the end (delta: 144.7MB). Free memory was 114.6MB in the beginning and 113.3MB in the end (delta: 1.3MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,104 INFO L158 Benchmark]: Witness Printer took 116.45ms. Allocated memory is still 339.7MB. Free memory was 113.3MB in the beginning and 108.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:31:30,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.70ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 95.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.88ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 93.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1220.26ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 90.5MB in the beginning and 115.5MB in the end (delta: -25.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6877.09ms. Allocated memory was 195.0MB in the beginning and 339.7MB in the end (delta: 144.7MB). Free memory was 114.6MB in the beginning and 113.3MB in the end (delta: 1.3MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. * Witness Printer took 116.45ms. Allocated memory is still 339.7MB. Free memory was 113.3MB in the beginning and 108.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 286 locations, 63 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 682 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 682 mSDsluCounter, 4274 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2199 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 402 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 2075 mSDtfsCounter, 402 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9652occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 4029 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 709 NumberOfCodeBlocks, 709 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 20:31:30,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5497a0e7-e2c7-41ff-8065-48e0f6c36b69/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE