./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/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_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5 --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 0.2.3-dev-527bcce [2023-11-21 19:56:38,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:56:38,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:56:38,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:56:38,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:56:38,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:56:38,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:56:38,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:56:38,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:56:38,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:56:38,435 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:56:38,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:56:38,437 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:56:38,439 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:56:38,439 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:56:38,440 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:56:38,441 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:56:38,441 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:56:38,442 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:56:38,442 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:56:38,443 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:56:38,443 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:56:38,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:56:38,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:56:38,445 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:56:38,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:56:38,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:56:38,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:56:38,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:56:38,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:56:38,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:56:38,448 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:56:38,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:56:38,449 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:56:38,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:56:38,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:56:38,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:56:38,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:56:38,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:56:38,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:56:38,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:56:38,452 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:56:38,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:56:38,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:56:38,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:56:38,453 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:56:38,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:56:38,454 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_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce [2023-11-21 19:56:38,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:56:38,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:56:38,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:56:38,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:56:38,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:56:38,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-11-21 19:56:42,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:56:42,350 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:56:42,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-11-21 19:56:42,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/data/5ecda60e0/bf746b1bfec04ef3b6a7698ccbed70d8/FLAG1f79b6775 [2023-11-21 19:56:42,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/data/5ecda60e0/bf746b1bfec04ef3b6a7698ccbed70d8 [2023-11-21 19:56:42,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:56:42,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:56:42,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:56:42,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:56:42,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:56:42,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:56:42" (1/1) ... [2023-11-21 19:56:42,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f0ce8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:42, skipping insertion in model container [2023-11-21 19:56:42,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:56:42" (1/1) ... [2023-11-21 19:56:42,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:56:42,685 WARN L240 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_2beb068b-b7ab-4192-8efa-e9da685c2df8/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2023-11-21 19:56:42,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:56:42,972 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:56:42,990 WARN L240 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_2beb068b-b7ab-4192-8efa-e9da685c2df8/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2023-11-21 19:56:43,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:56:43,103 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:56:43,104 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:56:43,110 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:56:43,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43 WrapperNode [2023-11-21 19:56:43,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:56:43,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:56:43,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:56:43,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:56:43,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,157 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2023-11-21 19:56:43,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:56:43,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:56:43,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:56:43,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:56:43,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:56:43,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:56:43,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:56:43,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:56:43,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (1/1) ... [2023-11-21 19:56:43,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:56:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:56:43,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:56:43,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:56:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:56:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 19:56:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:56:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:56:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:56:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 19:56:43,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 19:56:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 19:56:43,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 19:56:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 19:56:43,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 19:56:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:56:43,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 19:56:43,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:56:43,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:56:43,304 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:56:43,513 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:56:43,515 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:56:43,729 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:56:43,872 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:56:43,872 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:56:43,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:56:43 BoogieIcfgContainer [2023-11-21 19:56:43,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:56:43,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:56:43,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:56:43,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:56:43,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:56:42" (1/3) ... [2023-11-21 19:56:43,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4662a76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:56:43, skipping insertion in model container [2023-11-21 19:56:43,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:43" (2/3) ... [2023-11-21 19:56:43,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4662a76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:56:43, skipping insertion in model container [2023-11-21 19:56:43,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:56:43" (3/3) ... [2023-11-21 19:56:43,887 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-11-21 19:56:43,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:56:43,910 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:56:43,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:56:43,910 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 19:56:43,979 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 19:56:44,024 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 37 transitions, 86 flow [2023-11-21 19:56:44,252 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) [2023-11-21 19:56:44,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:56:44,286 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d983a64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:56:44,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 19:56:44,301 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) [2023-11-21 19:56:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 19:56:44,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:44,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:44,329 INFO L420 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)] === [2023-11-21 19:56:44,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:44,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1789529642, now seen corresponding path program 1 times [2023-11-21 19:56:44,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:44,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287695318] [2023-11-21 19:56:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:44,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:45,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:45,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287695318] [2023-11-21 19:56:45,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287695318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:45,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:45,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 19:56:45,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204605295] [2023-11-21 19:56:45,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:45,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 19:56:45,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:45,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 19:56:45,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:56:45,305 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) [2023-11-21 19:56:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:45,623 INFO L93 Difference]: Finished difference Result 5028 states and 16555 transitions. [2023-11-21 19:56:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 19:56:45,627 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 [2023-11-21 19:56:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:45,697 INFO L225 Difference]: With dead ends: 5028 [2023-11-21 19:56:45,697 INFO L226 Difference]: Without dead ends: 3736 [2023-11-21 19:56:45,698 INFO L412 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 [2023-11-21 19:56:45,703 INFO L413 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 [2023-11-21 19:56:45,704 INFO L414 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] [2023-11-21 19:56:45,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2023-11-21 19:56:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3128. [2023-11-21 19:56:45,984 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) [2023-11-21 19:56:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 10443 transitions. [2023-11-21 19:56:46,012 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 10443 transitions. Word has length 14 [2023-11-21 19:56:46,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:46,014 INFO L495 AbstractCegarLoop]: Abstraction has 3128 states and 10443 transitions. [2023-11-21 19:56:46,014 INFO L496 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) [2023-11-21 19:56:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 10443 transitions. [2023-11-21 19:56:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 19:56:46,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:46,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:46,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:56:46,020 INFO L420 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)] === [2023-11-21 19:56:46,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:46,021 INFO L85 PathProgramCache]: Analyzing trace with hash -287074261, now seen corresponding path program 1 times [2023-11-21 19:56:46,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:46,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750139634] [2023-11-21 19:56:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:46,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:46,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:46,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750139634] [2023-11-21 19:56:46,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750139634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:46,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:46,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:56:46,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438454256] [2023-11-21 19:56:46,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:46,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:56:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:46,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:56:46,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:56:46,416 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) [2023-11-21 19:56:46,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:46,731 INFO L93 Difference]: Finished difference Result 4076 states and 13207 transitions. [2023-11-21 19:56:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 19:56:46,731 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 [2023-11-21 19:56:46,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:46,765 INFO L225 Difference]: With dead ends: 4076 [2023-11-21 19:56:46,765 INFO L226 Difference]: Without dead ends: 3304 [2023-11-21 19:56:46,771 INFO L412 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 [2023-11-21 19:56:46,773 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 91 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:56:46,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 220 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:56:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2023-11-21 19:56:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 2664. [2023-11-21 19:56:46,944 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) [2023-11-21 19:56:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 8819 transitions. [2023-11-21 19:56:46,973 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 8819 transitions. Word has length 16 [2023-11-21 19:56:46,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:46,974 INFO L495 AbstractCegarLoop]: Abstraction has 2664 states and 8819 transitions. [2023-11-21 19:56:46,975 INFO L496 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) [2023-11-21 19:56:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 8819 transitions. [2023-11-21 19:56:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 19:56:46,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:46,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:46,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:56:46,982 INFO L420 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)] === [2023-11-21 19:56:46,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:46,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1114297463, now seen corresponding path program 1 times [2023-11-21 19:56:46,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:46,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052140341] [2023-11-21 19:56:46,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:47,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:47,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052140341] [2023-11-21 19:56:47,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052140341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:47,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:56:47,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049014580] [2023-11-21 19:56:47,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:47,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:56:47,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:56:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:56:47,225 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) [2023-11-21 19:56:47,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:47,482 INFO L93 Difference]: Finished difference Result 3604 states and 11601 transitions. [2023-11-21 19:56:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 19:56:47,483 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 [2023-11-21 19:56:47,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:47,510 INFO L225 Difference]: With dead ends: 3604 [2023-11-21 19:56:47,510 INFO L226 Difference]: Without dead ends: 3024 [2023-11-21 19:56:47,513 INFO L412 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 [2023-11-21 19:56:47,519 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 97 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:56:47,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 162 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:56:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2023-11-21 19:56:47,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 2544. [2023-11-21 19:56:47,650 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) [2023-11-21 19:56:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 8363 transitions. [2023-11-21 19:56:47,669 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 8363 transitions. Word has length 16 [2023-11-21 19:56:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:47,669 INFO L495 AbstractCegarLoop]: Abstraction has 2544 states and 8363 transitions. [2023-11-21 19:56:47,669 INFO L496 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) [2023-11-21 19:56:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 8363 transitions. [2023-11-21 19:56:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 19:56:47,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:47,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:47,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:56:47,675 INFO L420 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)] === [2023-11-21 19:56:47,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash 336900106, now seen corresponding path program 1 times [2023-11-21 19:56:47,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:47,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016308317] [2023-11-21 19:56:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:47,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:47,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:47,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016308317] [2023-11-21 19:56:47,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016308317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:47,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:47,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:56:47,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060117019] [2023-11-21 19:56:47,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:47,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:56:47,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:47,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:56:47,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:56:47,884 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) [2023-11-21 19:56:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:48,064 INFO L93 Difference]: Finished difference Result 3144 states and 10153 transitions. [2023-11-21 19:56:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 19:56:48,065 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 [2023-11-21 19:56:48,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:48,091 INFO L225 Difference]: With dead ends: 3144 [2023-11-21 19:56:48,092 INFO L226 Difference]: Without dead ends: 2864 [2023-11-21 19:56:48,092 INFO L412 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 [2023-11-21 19:56:48,093 INFO L413 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 [2023-11-21 19:56:48,094 INFO L414 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] [2023-11-21 19:56:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2023-11-21 19:56:48,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2384. [2023-11-21 19:56:48,178 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) [2023-11-21 19:56:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 7795 transitions. [2023-11-21 19:56:48,192 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 7795 transitions. Word has length 18 [2023-11-21 19:56:48,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:48,193 INFO L495 AbstractCegarLoop]: Abstraction has 2384 states and 7795 transitions. [2023-11-21 19:56:48,195 INFO L496 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) [2023-11-21 19:56:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 7795 transitions. [2023-11-21 19:56:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 19:56:48,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:48,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:48,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 19:56:48,204 INFO L420 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)] === [2023-11-21 19:56:48,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:48,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1894530498, now seen corresponding path program 1 times [2023-11-21 19:56:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:48,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423568572] [2023-11-21 19:56:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:48,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:48,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423568572] [2023-11-21 19:56:48,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423568572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:48,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:48,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 19:56:48,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801454578] [2023-11-21 19:56:48,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:48,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 19:56:48,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 19:56:48,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-21 19:56:48,424 INFO L87 Difference]: Start difference. First operand 2384 states and 7795 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) 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) [2023-11-21 19:56:48,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:48,622 INFO L93 Difference]: Finished difference Result 3320 states and 10597 transitions. [2023-11-21 19:56:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 19:56:48,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) 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 [2023-11-21 19:56:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:48,646 INFO L225 Difference]: With dead ends: 3320 [2023-11-21 19:56:48,646 INFO L226 Difference]: Without dead ends: 1680 [2023-11-21 19:56:48,647 INFO L412 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 [2023-11-21 19:56:48,648 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 122 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 153 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 [2023-11-21 19:56:48,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 153 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:56:48,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2023-11-21 19:56:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1424. [2023-11-21 19:56:48,695 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) [2023-11-21 19:56:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 4466 transitions. [2023-11-21 19:56:48,702 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 4466 transitions. Word has length 19 [2023-11-21 19:56:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:48,703 INFO L495 AbstractCegarLoop]: Abstraction has 1424 states and 4466 transitions. [2023-11-21 19:56:48,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) 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) [2023-11-21 19:56:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4466 transitions. [2023-11-21 19:56:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 19:56:48,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:48,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:48,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 19:56:48,708 INFO L420 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)] === [2023-11-21 19:56:48,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1069472161, now seen corresponding path program 1 times [2023-11-21 19:56:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:48,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784319294] [2023-11-21 19:56:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:48,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:48,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784319294] [2023-11-21 19:56:48,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784319294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:48,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:48,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 19:56:48,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462996770] [2023-11-21 19:56:48,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:48,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 19:56:48,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:48,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 19:56:48,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-21 19:56:48,909 INFO L87 Difference]: Start difference. First operand 1424 states and 4466 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 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) [2023-11-21 19:56:49,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:49,050 INFO L93 Difference]: Finished difference Result 1864 states and 5764 transitions. [2023-11-21 19:56:49,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 19:56:49,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 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 [2023-11-21 19:56:49,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:49,056 INFO L225 Difference]: With dead ends: 1864 [2023-11-21 19:56:49,056 INFO L226 Difference]: Without dead ends: 734 [2023-11-21 19:56:49,057 INFO L412 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 [2023-11-21 19:56:49,058 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 98 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:56:49,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 122 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:56:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-11-21 19:56:49,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2023-11-21 19:56:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 733 states have (on average 3.009549795361528) internal successors, (2206), 733 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:56:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2206 transitions. [2023-11-21 19:56:49,091 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2206 transitions. Word has length 21 [2023-11-21 19:56:49,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:49,091 INFO L495 AbstractCegarLoop]: Abstraction has 734 states and 2206 transitions. [2023-11-21 19:56:49,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 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) [2023-11-21 19:56:49,091 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2206 transitions. [2023-11-21 19:56:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 19:56:49,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:49,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:49,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 19:56:49,094 INFO L420 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)] === [2023-11-21 19:56:49,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:49,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1714923157, now seen corresponding path program 2 times [2023-11-21 19:56:49,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:49,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025520491] [2023-11-21 19:56:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:49,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:49,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:49,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025520491] [2023-11-21 19:56:49,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025520491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:49,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:49,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:56:49,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756511019] [2023-11-21 19:56:49,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:49,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:56:49,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:49,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:56:49,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:56:49,273 INFO L87 Difference]: Start difference. First operand 734 states and 2206 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) [2023-11-21 19:56:49,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:49,324 INFO L93 Difference]: Finished difference Result 638 states and 1794 transitions. [2023-11-21 19:56:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 19:56:49,325 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 [2023-11-21 19:56:49,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:49,334 INFO L225 Difference]: With dead ends: 638 [2023-11-21 19:56:49,335 INFO L226 Difference]: Without dead ends: 558 [2023-11-21 19:56:49,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:56:49,336 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:56:49,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 45 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:56:49,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2023-11-21 19:56:49,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2023-11-21 19:56:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 557 states have (on average 2.850987432675045) internal successors, (1588), 557 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:56:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1588 transitions. [2023-11-21 19:56:49,361 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1588 transitions. Word has length 21 [2023-11-21 19:56:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:49,361 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 1588 transitions. [2023-11-21 19:56:49,361 INFO L496 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) [2023-11-21 19:56:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1588 transitions. [2023-11-21 19:56:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 19:56:49,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:49,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:49,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 19:56:49,364 INFO L420 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)] === [2023-11-21 19:56:49,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1325786058, now seen corresponding path program 1 times [2023-11-21 19:56:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:49,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861148361] [2023-11-21 19:56:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:49,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:49,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:49,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861148361] [2023-11-21 19:56:49,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861148361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:49,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:49,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 19:56:49,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88529201] [2023-11-21 19:56:49,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:49,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 19:56:49,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:49,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 19:56:49,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:56:49,524 INFO L87 Difference]: Start difference. First operand 558 states and 1588 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) [2023-11-21 19:56:49,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:49,585 INFO L93 Difference]: Finished difference Result 338 states and 888 transitions. [2023-11-21 19:56:49,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 19:56:49,586 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 [2023-11-21 19:56:49,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:49,589 INFO L225 Difference]: With dead ends: 338 [2023-11-21 19:56:49,589 INFO L226 Difference]: Without dead ends: 290 [2023-11-21 19:56:49,590 INFO L412 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 [2023-11-21 19:56:49,591 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 46 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:56:49,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 46 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:56:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-11-21 19:56:49,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2023-11-21 19:56:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 289 states have (on average 2.615916955017301) internal successors, (756), 289 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:56:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 756 transitions. [2023-11-21 19:56:49,606 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 756 transitions. Word has length 23 [2023-11-21 19:56:49,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:49,606 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 756 transitions. [2023-11-21 19:56:49,607 INFO L496 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) [2023-11-21 19:56:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 756 transitions. [2023-11-21 19:56:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 19:56:49,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:49,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:49,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 19:56:49,609 INFO L420 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)] === [2023-11-21 19:56:49,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:49,609 INFO L85 PathProgramCache]: Analyzing trace with hash 177647861, now seen corresponding path program 1 times [2023-11-21 19:56:49,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:56:49,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678140072] [2023-11-21 19:56:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:49,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:56:49,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:56:49,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678140072] [2023-11-21 19:56:49,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678140072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:56:49,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:56:49,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 19:56:49,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842582521] [2023-11-21 19:56:49,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:56:49,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 19:56:49,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:56:49,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 19:56:49,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-21 19:56:49,807 INFO L87 Difference]: Start difference. First operand 290 states and 756 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) [2023-11-21 19:56:49,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:56:49,863 INFO L93 Difference]: Finished difference Result 186 states and 484 transitions. [2023-11-21 19:56:49,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 19:56:49,864 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 [2023-11-21 19:56:49,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:56:49,864 INFO L225 Difference]: With dead ends: 186 [2023-11-21 19:56:49,864 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:56:49,865 INFO L412 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 [2023-11-21 19:56:49,867 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 50 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:56:49,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 18 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:56:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:56:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:56:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:56:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:56:49,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-21 19:56:49,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:56:49,869 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:56:49,869 INFO L496 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) [2023-11-21 19:56:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:56:49,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:56:49,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-21 19:56:49,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-21 19:56:49,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-21 19:56:49,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-21 19:56:49,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 19:56:49,877 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:56:49,880 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 19:56:49,880 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:56:49,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:56:49 BasicIcfg [2023-11-21 19:56:49,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:56:49,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:56:49,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:56:49,885 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:56:49,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:56:43" (3/4) ... [2023-11-21 19:56:49,888 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:56:49,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-21 19:56:49,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-21 19:56:49,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-21 19:56:49,899 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-21 19:56:49,899 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 19:56:49,900 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 19:56:49,900 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 19:56:49,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:56:49,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:56:49,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:56:49,995 INFO L158 Benchmark]: Toolchain (without parser) took 7568.72ms. Allocated memory was 167.8MB in the beginning and 320.9MB in the end (delta: 153.1MB). Free memory was 138.0MB in the beginning and 149.4MB in the end (delta: -11.4MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2023-11-21 19:56:49,995 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:56:49,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.69ms. Allocated memory is still 167.8MB. Free memory was 138.0MB in the beginning and 117.5MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 19:56:49,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.93ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:56:49,996 INFO L158 Benchmark]: Boogie Preprocessor took 32.39ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 113.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:56:49,997 INFO L158 Benchmark]: RCFGBuilder took 683.09ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 90.9MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 19:56:49,997 INFO L158 Benchmark]: TraceAbstraction took 6007.46ms. Allocated memory was 167.8MB in the beginning and 320.9MB in the end (delta: 153.1MB). Free memory was 90.4MB in the beginning and 153.6MB in the end (delta: -63.2MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-11-21 19:56:49,998 INFO L158 Benchmark]: Witness Printer took 109.58ms. Allocated memory is still 320.9MB. Free memory was 153.6MB in the beginning and 149.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:56:50,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.69ms. Allocated memory is still 167.8MB. Free memory was 138.0MB in the beginning and 117.5MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.93ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.39ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 113.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.09ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 90.9MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6007.46ms. Allocated memory was 167.8MB in the beginning and 320.9MB in the end (delta: 153.1MB). Free memory was 90.4MB in the beginning and 153.6MB in the end (delta: -63.2MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Witness Printer took 109.58ms. Allocated memory is still 320.9MB. Free memory was 153.6MB in the beginning and 149.4MB 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: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 682 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 682 mSDsluCounter, 1089 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 770 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 713 IncrementalHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 319 mSDtfsCounter, 713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3128occurred in iteration=1, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2464 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2023-11-21 19:56:50,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2beb068b-b7ab-4192-8efa-e9da685c2df8/bin/utaipan-verify-QoSU8krkJ5/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