./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:43:14,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:43:14,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:43:14,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:43:14,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:43:14,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:43:14,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:43:14,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:43:14,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:43:14,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:43:14,489 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:43:14,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:43:14,489 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:43:14,493 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:43:14,494 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:43:14,494 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:43:14,494 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:43:14,495 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:43:14,495 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:43:14,495 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:43:14,496 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:43:14,498 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:43:14,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:43:14,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:43:14,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:43:14,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:43:14,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:43:14,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:43:14,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:43:14,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:43:14,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:43:14,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:43:14,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:43:14,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:43:14,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:43:14,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:43:14,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:43:14,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:43:14,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:43:14,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:43:14,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:43:14,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:43:14,506 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:43:14,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:43:14,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:43:14,507 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:43:14,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:43:14,508 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_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce [2024-11-09 04:43:14,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:43:14,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:43:14,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:43:14,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:43:14,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:43:14,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i Unable to find full path for "g++" [2024-11-09 04:43:16,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:43:17,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:43:17,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-09 04:43:17,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/data/e7b6166cc/6b5de5bee9c14d3c9ffce180794952d8/FLAG19bb37021 [2024-11-09 04:43:17,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/data/e7b6166cc/6b5de5bee9c14d3c9ffce180794952d8 [2024-11-09 04:43:17,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:43:17,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:43:17,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:43:17,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:43:17,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:43:17,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:17" (1/1) ... [2024-11-09 04:43:17,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576d2ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:17, skipping insertion in model container [2024-11-09 04:43:17,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:17" (1/1) ... [2024-11-09 04:43:17,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:43:17,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-11-09 04:43:17,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:43:17,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:43:17,924 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-11-09 04:43:17,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:43:18,028 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:43:18,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18 WrapperNode [2024-11-09 04:43:18,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:43:18,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:43:18,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:43:18,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:43:18,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,083 INFO L138 Inliner]: procedures = 175, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-09 04:43:18,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:43:18,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:43:18,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:43:18,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:43:18,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:43:18,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:43:18,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:43:18,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:43:18,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (1/1) ... [2024-11-09 04:43:18,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:43:18,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:43:18,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:43:18,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:43:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 04:43:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:43:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 04:43:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 04:43:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 04:43:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 04:43:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 04:43:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 04:43:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:43:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 04:43:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:43:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:43:18,215 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 04:43:18,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:43:18,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:43:18,563 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:43:18,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:43:18,720 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:43:18,720 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:43:18,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:18 BoogieIcfgContainer [2024-11-09 04:43:18,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:43:18,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:43:18,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:43:18,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:43:18,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:43:17" (1/3) ... [2024-11-09 04:43:18,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42deaf74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:18, skipping insertion in model container [2024-11-09 04:43:18,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:18" (2/3) ... [2024-11-09 04:43:18,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42deaf74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:18, skipping insertion in model container [2024-11-09 04:43:18,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:18" (3/3) ... [2024-11-09 04:43:18,730 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-09 04:43:18,746 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:43:18,746 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:43:18,746 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:43:18,798 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 04:43:18,830 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 37 transitions, 86 flow [2024-11-09 04:43:19,067 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2760 states, 2759 states have (on average 3.4023196810438563) internal successors, (9387), 2759 states have internal predecessors, (9387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:19,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:43:19,112 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@55b8aaed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:43:19,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 04:43:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 2760 states, 2759 states have (on average 3.4023196810438563) internal successors, (9387), 2759 states have internal predecessors, (9387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 04:43:19,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:19,143 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:19,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:19,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:19,149 INFO L85 PathProgramCache]: Analyzing trace with hash -921715653, now seen corresponding path program 1 times [2024-11-09 04:43:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:19,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578052847] [2024-11-09 04:43:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:19,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:19,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578052847] [2024-11-09 04:43:19,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578052847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:19,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:19,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:43:19,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263642170] [2024-11-09 04:43:19,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:19,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:43:19,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:19,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:43:19,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:43:19,946 INFO L87 Difference]: Start difference. First operand has 2760 states, 2759 states have (on average 3.4023196810438563) internal successors, (9387), 2759 states have internal predecessors, (9387), 0 states have call successors, (0), 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 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:20,291 INFO L93 Difference]: Finished difference Result 5616 states and 18793 transitions. [2024-11-09 04:43:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:43:20,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 04:43:20,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:20,351 INFO L225 Difference]: With dead ends: 5616 [2024-11-09 04:43:20,351 INFO L226 Difference]: Without dead ends: 3736 [2024-11-09 04:43:20,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:43:20,363 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 72 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:20,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 158 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:20,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2024-11-09 04:43:20,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3128. [2024-11-09 04:43:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 3127 states have (on average 3.339622641509434) internal successors, (10443), 3127 states have internal predecessors, (10443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 10443 transitions. [2024-11-09 04:43:20,637 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 10443 transitions. Word has length 14 [2024-11-09 04:43:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:20,638 INFO L471 AbstractCegarLoop]: Abstraction has 3128 states and 10443 transitions. [2024-11-09 04:43:20,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 10443 transitions. [2024-11-09 04:43:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 04:43:20,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:20,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:20,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:43:20,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:20,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:20,652 INFO L85 PathProgramCache]: Analyzing trace with hash -807682628, now seen corresponding path program 1 times [2024-11-09 04:43:20,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:20,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672254280] [2024-11-09 04:43:20,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:20,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:20,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672254280] [2024-11-09 04:43:20,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672254280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:20,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:20,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:20,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920124356] [2024-11-09 04:43:20,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:20,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:20,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:20,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:20,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:20,957 INFO L87 Difference]: Start difference. First operand 3128 states and 10443 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:21,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:21,308 INFO L93 Difference]: Finished difference Result 4608 states and 15197 transitions. [2024-11-09 04:43:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:43:21,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2024-11-09 04:43:21,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:21,341 INFO L225 Difference]: With dead ends: 4608 [2024-11-09 04:43:21,341 INFO L226 Difference]: Without dead ends: 3304 [2024-11-09 04:43:21,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:43:21,346 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 107 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:21,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 178 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:43:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2024-11-09 04:43:21,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 2664. [2024-11-09 04:43:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 2663 states have (on average 3.311678558017274) internal successors, (8819), 2663 states have internal predecessors, (8819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 8819 transitions. [2024-11-09 04:43:21,483 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 8819 transitions. Word has length 16 [2024-11-09 04:43:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:21,483 INFO L471 AbstractCegarLoop]: Abstraction has 2664 states and 8819 transitions. [2024-11-09 04:43:21,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 8819 transitions. [2024-11-09 04:43:21,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 04:43:21,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:21,489 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:21,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:43:21,489 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:21,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:21,495 INFO L85 PathProgramCache]: Analyzing trace with hash -536493828, now seen corresponding path program 1 times [2024-11-09 04:43:21,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:21,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212365869] [2024-11-09 04:43:21,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:21,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:21,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:21,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212365869] [2024-11-09 04:43:21,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212365869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:21,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:21,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:21,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229130631] [2024-11-09 04:43:21,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:21,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:21,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:21,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:21,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:21,656 INFO L87 Difference]: Start difference. First operand 2664 states and 8819 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:21,917 INFO L93 Difference]: Finished difference Result 4024 states and 13147 transitions. [2024-11-09 04:43:21,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:43:21,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2024-11-09 04:43:21,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:21,942 INFO L225 Difference]: With dead ends: 4024 [2024-11-09 04:43:21,942 INFO L226 Difference]: Without dead ends: 3024 [2024-11-09 04:43:21,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:43:21,949 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 88 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:21,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 187 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2024-11-09 04:43:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 2544. [2024-11-09 04:43:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2543 states have (on average 3.2886354699174203) internal successors, (8363), 2543 states have internal predecessors, (8363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 8363 transitions. [2024-11-09 04:43:22,054 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 8363 transitions. Word has length 16 [2024-11-09 04:43:22,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:22,055 INFO L471 AbstractCegarLoop]: Abstraction has 2544 states and 8363 transitions. [2024-11-09 04:43:22,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 8363 transitions. [2024-11-09 04:43:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 04:43:22,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:22,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:22,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:43:22,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:22,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:22,062 INFO L85 PathProgramCache]: Analyzing trace with hash 257783549, now seen corresponding path program 1 times [2024-11-09 04:43:22,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:22,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586134173] [2024-11-09 04:43:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:22,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:22,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586134173] [2024-11-09 04:43:22,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586134173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:22,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:22,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:22,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060511955] [2024-11-09 04:43:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:22,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:22,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:22,224 INFO L87 Difference]: Start difference. First operand 2544 states and 8363 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:22,489 INFO L93 Difference]: Finished difference Result 3424 states and 11107 transitions. [2024-11-09 04:43:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:43:22,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-09 04:43:22,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:22,516 INFO L225 Difference]: With dead ends: 3424 [2024-11-09 04:43:22,517 INFO L226 Difference]: Without dead ends: 2864 [2024-11-09 04:43:22,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:43:22,522 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 74 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:22,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 165 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2024-11-09 04:43:22,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2384. [2024-11-09 04:43:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2383 states have (on average 3.2710868652958456) internal successors, (7795), 2383 states have internal predecessors, (7795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 7795 transitions. [2024-11-09 04:43:22,616 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 7795 transitions. Word has length 18 [2024-11-09 04:43:22,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:22,617 INFO L471 AbstractCegarLoop]: Abstraction has 2384 states and 7795 transitions. [2024-11-09 04:43:22,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 7795 transitions. [2024-11-09 04:43:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 04:43:22,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:22,623 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:22,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:43:22,623 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:22,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash -139882255, now seen corresponding path program 1 times [2024-11-09 04:43:22,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:22,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711025064] [2024-11-09 04:43:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:22,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711025064] [2024-11-09 04:43:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711025064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:22,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:22,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:43:22,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841002104] [2024-11-09 04:43:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:22,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:22,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:22,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:22,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:22,791 INFO L87 Difference]: Start difference. First operand 2384 states and 7795 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:22,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:22,981 INFO L93 Difference]: Finished difference Result 3744 states and 12123 transitions. [2024-11-09 04:43:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:43:22,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-09 04:43:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:23,036 INFO L225 Difference]: With dead ends: 3744 [2024-11-09 04:43:23,036 INFO L226 Difference]: Without dead ends: 2544 [2024-11-09 04:43:23,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:43:23,040 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 86 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:23,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 151 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2024-11-09 04:43:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 1984. [2024-11-09 04:43:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1983 states have (on average 3.2349974785678266) internal successors, (6415), 1983 states have internal predecessors, (6415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 6415 transitions. [2024-11-09 04:43:23,108 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 6415 transitions. Word has length 19 [2024-11-09 04:43:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:23,109 INFO L471 AbstractCegarLoop]: Abstraction has 1984 states and 6415 transitions. [2024-11-09 04:43:23,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 6415 transitions. [2024-11-09 04:43:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 04:43:23,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:23,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:23,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:43:23,116 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:23,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:23,117 INFO L85 PathProgramCache]: Analyzing trace with hash -447033346, now seen corresponding path program 1 times [2024-11-09 04:43:23,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:23,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50519390] [2024-11-09 04:43:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:23,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:23,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50519390] [2024-11-09 04:43:23,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50519390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:23,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:23,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:43:23,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865773278] [2024-11-09 04:43:23,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:23,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:43:23,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:23,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:43:23,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:43:23,318 INFO L87 Difference]: Start difference. First operand 1984 states and 6415 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:23,517 INFO L93 Difference]: Finished difference Result 3200 states and 10171 transitions. [2024-11-09 04:43:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:43:23,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-09 04:43:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:23,534 INFO L225 Difference]: With dead ends: 3200 [2024-11-09 04:43:23,534 INFO L226 Difference]: Without dead ends: 1680 [2024-11-09 04:43:23,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-09 04:43:23,542 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 109 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:23,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 143 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-09 04:43:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1424. [2024-11-09 04:43:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1423 states have (on average 3.1384399156711176) internal successors, (4466), 1423 states have internal predecessors, (4466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 4466 transitions. [2024-11-09 04:43:23,619 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 4466 transitions. Word has length 20 [2024-11-09 04:43:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:23,620 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 4466 transitions. [2024-11-09 04:43:23,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4466 transitions. [2024-11-09 04:43:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 04:43:23,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:23,624 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:23,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 04:43:23,625 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:23,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:23,626 INFO L85 PathProgramCache]: Analyzing trace with hash -450916586, now seen corresponding path program 1 times [2024-11-09 04:43:23,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:23,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753945658] [2024-11-09 04:43:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:23,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:23,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:23,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753945658] [2024-11-09 04:43:23,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753945658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:23,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:23,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:43:23,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619906169] [2024-11-09 04:43:23,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:23,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:43:23,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:23,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:43:23,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:43:23,742 INFO L87 Difference]: Start difference. First operand 1424 states and 4466 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:23,814 INFO L93 Difference]: Finished difference Result 2116 states and 6516 transitions. [2024-11-09 04:43:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:43:23,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2024-11-09 04:43:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:23,827 INFO L225 Difference]: With dead ends: 2116 [2024-11-09 04:43:23,827 INFO L226 Difference]: Without dead ends: 1184 [2024-11-09 04:43:23,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:43:23,831 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 51 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:23,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 48 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:43:23,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-09 04:43:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2024-11-09 04:43:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1183 states have (on average 3.004226542688081) internal successors, (3554), 1183 states have internal predecessors, (3554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 3554 transitions. [2024-11-09 04:43:23,870 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 3554 transitions. Word has length 21 [2024-11-09 04:43:23,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:23,870 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 3554 transitions. [2024-11-09 04:43:23,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 3554 transitions. [2024-11-09 04:43:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 04:43:23,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:23,874 INFO L215 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] [2024-11-09 04:43:23,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 04:43:23,874 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:23,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:23,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1743591465, now seen corresponding path program 1 times [2024-11-09 04:43:23,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:23,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375694775] [2024-11-09 04:43:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:23,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:23,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:23,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375694775] [2024-11-09 04:43:23,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375694775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:23,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:23,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:43:23,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748750088] [2024-11-09 04:43:23,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:23,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:43:23,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:24,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:43:24,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:43:24,000 INFO L87 Difference]: Start difference. First operand 1184 states and 3554 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:24,095 INFO L93 Difference]: Finished difference Result 1484 states and 4362 transitions. [2024-11-09 04:43:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:43:24,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2024-11-09 04:43:24,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:24,104 INFO L225 Difference]: With dead ends: 1484 [2024-11-09 04:43:24,104 INFO L226 Difference]: Without dead ends: 792 [2024-11-09 04:43:24,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:43:24,106 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 85 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:24,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 57 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-11-09 04:43:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2024-11-09 04:43:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 791 states have (on average 2.811630847029077) internal successors, (2224), 791 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 2224 transitions. [2024-11-09 04:43:24,135 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 2224 transitions. Word has length 23 [2024-11-09 04:43:24,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:24,137 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 2224 transitions. [2024-11-09 04:43:24,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,138 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2224 transitions. [2024-11-09 04:43:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 04:43:24,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:24,140 INFO L215 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] [2024-11-09 04:43:24,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 04:43:24,140 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:24,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:24,141 INFO L85 PathProgramCache]: Analyzing trace with hash 895771824, now seen corresponding path program 1 times [2024-11-09 04:43:24,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:24,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739189683] [2024-11-09 04:43:24,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:24,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:24,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:24,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739189683] [2024-11-09 04:43:24,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739189683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:24,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:24,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:43:24,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281907366] [2024-11-09 04:43:24,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:24,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:43:24,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:24,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:43:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:43:24,272 INFO L87 Difference]: Start difference. First operand 792 states and 2224 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:24,373 INFO L93 Difference]: Finished difference Result 848 states and 2356 transitions. [2024-11-09 04:43:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:43:24,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2024-11-09 04:43:24,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:24,379 INFO L225 Difference]: With dead ends: 848 [2024-11-09 04:43:24,379 INFO L226 Difference]: Without dead ends: 404 [2024-11-09 04:43:24,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:43:24,382 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 98 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:24,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 45 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:24,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-09 04:43:24,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-09 04:43:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.6799007444168734) internal successors, (1080), 403 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 1080 transitions. [2024-11-09 04:43:24,397 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 1080 transitions. Word has length 25 [2024-11-09 04:43:24,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:24,398 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 1080 transitions. [2024-11-09 04:43:24,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1080 transitions. [2024-11-09 04:43:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 04:43:24,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:24,400 INFO L215 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] [2024-11-09 04:43:24,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 04:43:24,401 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-09 04:43:24,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash -997271945, now seen corresponding path program 1 times [2024-11-09 04:43:24,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:24,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049454612] [2024-11-09 04:43:24,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:24,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:43:24,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:24,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049454612] [2024-11-09 04:43:24,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049454612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:24,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:24,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:43:24,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047674662] [2024-11-09 04:43:24,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:24,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:43:24,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:24,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:43:24,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:43:24,588 INFO L87 Difference]: Start difference. First operand 404 states and 1080 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:24,672 INFO L93 Difference]: Finished difference Result 404 states and 1080 transitions. [2024-11-09 04:43:24,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:43:24,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2024-11-09 04:43:24,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:24,677 INFO L225 Difference]: With dead ends: 404 [2024-11-09 04:43:24,677 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:43:24,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:43:24,678 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 38 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:24,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 54 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:43:24,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:43:24,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:43:24,679 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) [2024-11-09 04:43:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:43:24,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-09 04:43:24,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:24,683 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:43:24,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:43:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:43:24,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:43:24,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-09 04:43:24,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-09 04:43:24,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-09 04:43:24,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-09 04:43:24,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 04:43:24,690 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:24,693 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 04:43:24,693 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:43:24,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:43:24 BasicIcfg [2024-11-09 04:43:24,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:43:24,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:43:24,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:43:24,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:43:24,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:18" (3/4) ... [2024-11-09 04:43:24,700 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:43:24,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 04:43:24,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 04:43:24,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 04:43:24,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-09 04:43:24,708 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 04:43:24,708 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 04:43:24,708 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 04:43:24,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:43:24,783 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:43:24,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:43:24,783 INFO L158 Benchmark]: Toolchain (without parser) took 7366.02ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 90.3MB in the beginning and 154.6MB in the end (delta: -64.3MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-09 04:43:24,784 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:43:24,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.60ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 67.2MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 04:43:24,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.62ms. Allocated memory is still 132.1MB. Free memory was 67.2MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:43:24,784 INFO L158 Benchmark]: Boogie Preprocessor took 39.78ms. Allocated memory is still 132.1MB. Free memory was 65.1MB in the beginning and 63.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:43:24,785 INFO L158 Benchmark]: RCFGBuilder took 594.71ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 63.8MB in the beginning and 139.8MB in the end (delta: -76.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-09 04:43:24,785 INFO L158 Benchmark]: TraceAbstraction took 5972.73ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 138.9MB in the beginning and 158.7MB in the end (delta: -19.9MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-09 04:43:24,786 INFO L158 Benchmark]: Witness Printer took 86.41ms. Allocated memory is still 255.9MB. Free memory was 158.7MB in the beginning and 154.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:43:24,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.60ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 67.2MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.62ms. Allocated memory is still 132.1MB. Free memory was 67.2MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.78ms. Allocated memory is still 132.1MB. Free memory was 65.1MB in the beginning and 63.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.71ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 63.8MB in the beginning and 139.8MB in the end (delta: -76.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5972.73ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 138.9MB in the beginning and 158.7MB in the end (delta: -19.9MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 86.41ms. Allocated memory is still 255.9MB. Free memory was 158.7MB in the beginning and 154.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 808 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 808 mSDsluCounter, 1186 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 834 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 839 IncrementalHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 352 mSDtfsCounter, 839 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3128occurred in iteration=1, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 3024 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 04:43:24,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50673f6-c09b-4f30-b565-f8f23318769a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE