./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2 --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 be1fcaa299b4a26d5c3c0d4f857b13329cbb7ec0505911e54bd9d27d2647b4d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:30,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:30,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:37:30,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:30,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:30,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:30,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:30,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:30,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:30,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:30,732 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:30,732 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:30,733 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:30,733 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:30,734 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:30,734 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:30,734 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:30,735 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:30,735 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:30,736 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:30,736 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:30,740 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:30,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:30,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:30,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:37:30,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:30,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:37:30,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:30,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:30,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:30,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:30,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:30,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:37:30,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:30,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:30,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:30,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:30,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:30,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:30,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:30,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:30,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:30,754 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:30,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:30,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:30,755 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:30,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:30,756 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1fcaa299b4a26d5c3c0d4f857b13329cbb7ec0505911e54bd9d27d2647b4d4 [2024-11-02 12:37:31,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:31,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:31,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:31,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:31,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:31,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-02 12:37:33,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:33,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:33,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-02 12:37:33,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/data/148c47b36/83d61680c1dd41bd935c597c057c8d51/FLAGbcb6dd043 [2024-11-02 12:37:33,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/data/148c47b36/83d61680c1dd41bd935c597c057c8d51 [2024-11-02 12:37:33,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:33,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:33,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:33,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:33,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:33,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:33" (1/1) ... [2024-11-02 12:37:33,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5c5abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:33, skipping insertion in model container [2024-11-02 12:37:33,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:33" (1/1) ... [2024-11-02 12:37:33,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:34,157 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7172,7185] [2024-11-02 12:37:34,190 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[10914,10927] [2024-11-02 12:37:34,280 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[17944,17957] [2024-11-02 12:37:34,314 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24017,24030] [2024-11-02 12:37:34,412 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42645,42658] [2024-11-02 12:37:34,521 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[64626,64639] [2024-11-02 12:37:34,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:34,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:34,819 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7172,7185] [2024-11-02 12:37:34,849 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[10914,10927] [2024-11-02 12:37:34,869 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[17944,17957] [2024-11-02 12:37:34,887 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24017,24030] [2024-11-02 12:37:34,932 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42645,42658] [2024-11-02 12:37:35,002 WARN L251 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_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[64626,64639] [2024-11-02 12:37:35,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:35,243 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:35,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35 WrapperNode [2024-11-02 12:37:35,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:35,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:35,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:35,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:35,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,577 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5679 [2024-11-02 12:37:35,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:35,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:35,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:35,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:35,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:35,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:35,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:35,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:35,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:35,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:35,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1c11a7-5c8f-40b6-9275-6b2fc90c5adc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:36,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:36,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:39,937 INFO L? ?]: Removed 998 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:39,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:40,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:40,510 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:37:40,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:40 BoogieIcfgContainer [2024-11-02 12:37:40,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:40,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:40,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:40,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:40,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:33" (1/3) ... [2024-11-02 12:37:40,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba7abd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:40, skipping insertion in model container [2024-11-02 12:37:40,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (2/3) ... [2024-11-02 12:37:40,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba7abd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:40, skipping insertion in model container [2024-11-02 12:37:40,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:40" (3/3) ... [2024-11-02 12:37:40,524 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-02 12:37:40,542 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:40,543 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-02 12:37:40,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:40,666 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6b836c9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:40,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-02 12:37:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 1053 states, 1046 states have (on average 1.8355640535372848) internal successors, (1920), 1052 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-02 12:37:40,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:40,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:40,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:40,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:40,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2020000843, now seen corresponding path program 1 times [2024-11-02 12:37:40,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:40,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388441905] [2024-11-02 12:37:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:41,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:41,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388441905] [2024-11-02 12:37:41,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388441905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:41,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:41,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:37:41,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452623616] [2024-11-02 12:37:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:41,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:37:41,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:41,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:37:41,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:37:41,420 INFO L87 Difference]: Start difference. First operand has 1053 states, 1046 states have (on average 1.8355640535372848) internal successors, (1920), 1052 states have internal predecessors, (1920), 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 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:43,215 INFO L93 Difference]: Finished difference Result 1879 states and 3332 transitions. [2024-11-02 12:37:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:37:43,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2024-11-02 12:37:43,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:43,246 INFO L225 Difference]: With dead ends: 1879 [2024-11-02 12:37:43,246 INFO L226 Difference]: Without dead ends: 1220 [2024-11-02 12:37:43,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:37:43,258 INFO L432 NwaCegarLoop]: 965 mSDtfsCounter, 5914 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5914 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:43,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5914 Valid, 1246 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-02 12:37:43,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-02 12:37:43,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1208. [2024-11-02 12:37:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 1202 states have (on average 1.2961730449251248) internal successors, (1558), 1207 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1558 transitions. [2024-11-02 12:37:43,360 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1558 transitions. Word has length 50 [2024-11-02 12:37:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:43,361 INFO L471 AbstractCegarLoop]: Abstraction has 1208 states and 1558 transitions. [2024-11-02 12:37:43,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1558 transitions. [2024-11-02 12:37:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-02 12:37:43,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:43,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:43,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:37:43,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:43,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:43,366 INFO L85 PathProgramCache]: Analyzing trace with hash -371948326, now seen corresponding path program 1 times [2024-11-02 12:37:43,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:43,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681799214] [2024-11-02 12:37:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:43,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:43,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:43,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681799214] [2024-11-02 12:37:43,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681799214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:43,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:43,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:37:43,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20167370] [2024-11-02 12:37:43,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:43,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:37:43,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:43,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:37:43,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:37:43,667 INFO L87 Difference]: Start difference. First operand 1208 states and 1558 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:44,928 INFO L93 Difference]: Finished difference Result 2197 states and 2879 transitions. [2024-11-02 12:37:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:37:44,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2024-11-02 12:37:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:44,935 INFO L225 Difference]: With dead ends: 2197 [2024-11-02 12:37:44,935 INFO L226 Difference]: Without dead ends: 1474 [2024-11-02 12:37:44,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:37:44,938 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 3694 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:44,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3694 Valid, 675 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-02 12:37:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-02 12:37:44,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1464. [2024-11-02 12:37:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1458 states have (on average 1.3072702331961592) internal successors, (1906), 1463 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1906 transitions. [2024-11-02 12:37:44,978 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1906 transitions. Word has length 50 [2024-11-02 12:37:44,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:44,979 INFO L471 AbstractCegarLoop]: Abstraction has 1464 states and 1906 transitions. [2024-11-02 12:37:44,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1906 transitions. [2024-11-02 12:37:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-02 12:37:44,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:44,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:44,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:37:44,982 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:44,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:44,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1656171021, now seen corresponding path program 1 times [2024-11-02 12:37:44,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:44,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405994026] [2024-11-02 12:37:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:44,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:45,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:45,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405994026] [2024-11-02 12:37:45,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405994026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:45,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:45,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:37:45,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011052100] [2024-11-02 12:37:45,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:45,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:37:45,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:45,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:37:45,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:37:45,188 INFO L87 Difference]: Start difference. First operand 1464 states and 1906 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:46,359 INFO L93 Difference]: Finished difference Result 2827 states and 3713 transitions. [2024-11-02 12:37:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:37:46,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2024-11-02 12:37:46,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:46,368 INFO L225 Difference]: With dead ends: 2827 [2024-11-02 12:37:46,369 INFO L226 Difference]: Without dead ends: 2099 [2024-11-02 12:37:46,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:37:46,372 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 3332 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:46,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 646 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 12:37:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-02 12:37:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2093. [2024-11-02 12:37:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2087 states have (on average 1.2980354575946333) internal successors, (2709), 2092 states have internal predecessors, (2709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2709 transitions. [2024-11-02 12:37:46,434 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2709 transitions. Word has length 50 [2024-11-02 12:37:46,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:46,435 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2709 transitions. [2024-11-02 12:37:46,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2709 transitions. [2024-11-02 12:37:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-02 12:37:46,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:46,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:46,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:37:46,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:46,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:46,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1156025879, now seen corresponding path program 1 times [2024-11-02 12:37:46,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:46,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323213525] [2024-11-02 12:37:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:46,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:46,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:46,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323213525] [2024-11-02 12:37:46,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323213525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:46,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:46,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:37:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783051422] [2024-11-02 12:37:46,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:46,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-02 12:37:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:46,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-02 12:37:46,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:37:46,882 INFO L87 Difference]: Start difference. First operand 2093 states and 2709 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:49,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:49,064 INFO L93 Difference]: Finished difference Result 2865 states and 3714 transitions. [2024-11-02 12:37:49,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-02 12:37:49,065 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 51 [2024-11-02 12:37:49,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:49,075 INFO L225 Difference]: With dead ends: 2865 [2024-11-02 12:37:49,075 INFO L226 Difference]: Without dead ends: 2860 [2024-11-02 12:37:49,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-02 12:37:49,078 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 2231 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:49,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2231 Valid, 1884 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-02 12:37:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2024-11-02 12:37:49,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2093. [2024-11-02 12:37:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2087 states have (on average 1.2975563009103976) internal successors, (2708), 2092 states have internal predecessors, (2708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2708 transitions. [2024-11-02 12:37:49,168 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2708 transitions. Word has length 51 [2024-11-02 12:37:49,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:49,168 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2708 transitions. [2024-11-02 12:37:49,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2708 transitions. [2024-11-02 12:37:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-02 12:37:49,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:49,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:49,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:37:49,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:49,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash 544097692, now seen corresponding path program 1 times [2024-11-02 12:37:49,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:49,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717789050] [2024-11-02 12:37:49,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:49,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:49,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:49,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717789050] [2024-11-02 12:37:49,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717789050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:49,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:49,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:37:49,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521638973] [2024-11-02 12:37:49,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:49,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-02 12:37:49,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-02 12:37:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:37:49,595 INFO L87 Difference]: Start difference. First operand 2093 states and 2708 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:51,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:51,876 INFO L93 Difference]: Finished difference Result 3529 states and 4654 transitions. [2024-11-02 12:37:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-02 12:37:51,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 51 [2024-11-02 12:37:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:51,888 INFO L225 Difference]: With dead ends: 3529 [2024-11-02 12:37:51,888 INFO L226 Difference]: Without dead ends: 3206 [2024-11-02 12:37:51,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-02 12:37:51,892 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 2702 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 2755 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2702 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 2784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:51,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2702 Valid, 2555 Invalid, 2784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2755 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-02 12:37:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2024-11-02 12:37:51,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 2093. [2024-11-02 12:37:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2087 states have (on average 1.297077144226162) internal successors, (2707), 2092 states have internal predecessors, (2707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2707 transitions. [2024-11-02 12:37:51,953 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2707 transitions. Word has length 51 [2024-11-02 12:37:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:51,955 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2707 transitions. [2024-11-02 12:37:51,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2707 transitions. [2024-11-02 12:37:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-02 12:37:51,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:51,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:51,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:37:51,959 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:51,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:51,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1134807775, now seen corresponding path program 1 times [2024-11-02 12:37:51,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:51,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531773956] [2024-11-02 12:37:51,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:51,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:52,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:52,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531773956] [2024-11-02 12:37:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531773956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:52,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:52,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:37:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242385247] [2024-11-02 12:37:52,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:52,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:37:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:37:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:37:52,394 INFO L87 Difference]: Start difference. First operand 2093 states and 2707 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:53,881 INFO L93 Difference]: Finished difference Result 2947 states and 3849 transitions. [2024-11-02 12:37:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-02 12:37:53,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2024-11-02 12:37:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:53,890 INFO L225 Difference]: With dead ends: 2947 [2024-11-02 12:37:53,890 INFO L226 Difference]: Without dead ends: 2500 [2024-11-02 12:37:53,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-02 12:37:53,893 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 3159 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:53,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 1399 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1552 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-02 12:37:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2024-11-02 12:37:53,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2093. [2024-11-02 12:37:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2087 states have (on average 1.2965979875419262) internal successors, (2706), 2092 states have internal predecessors, (2706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2706 transitions. [2024-11-02 12:37:53,952 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2706 transitions. Word has length 51 [2024-11-02 12:37:53,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:53,952 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2706 transitions. [2024-11-02 12:37:53,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2706 transitions. [2024-11-02 12:37:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:37:53,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:53,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:53,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 12:37:53,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:53,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1876349593, now seen corresponding path program 1 times [2024-11-02 12:37:53,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:53,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433922713] [2024-11-02 12:37:53,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:53,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:54,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:54,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433922713] [2024-11-02 12:37:54,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433922713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:54,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:54,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:37:54,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851545949] [2024-11-02 12:37:54,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:54,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:37:54,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:54,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:37:54,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,041 INFO L87 Difference]: Start difference. First operand 2093 states and 2706 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:54,170 INFO L93 Difference]: Finished difference Result 2855 states and 3765 transitions. [2024-11-02 12:37:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:37:54,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2024-11-02 12:37:54,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:54,176 INFO L225 Difference]: With dead ends: 2855 [2024-11-02 12:37:54,177 INFO L226 Difference]: Without dead ends: 1802 [2024-11-02 12:37:54,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,179 INFO L432 NwaCegarLoop]: 820 mSDtfsCounter, 522 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:54,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1122 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:37:54,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2024-11-02 12:37:54,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1800. [2024-11-02 12:37:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1794 states have (on average 1.2709030100334449) internal successors, (2280), 1799 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2280 transitions. [2024-11-02 12:37:54,221 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2280 transitions. Word has length 52 [2024-11-02 12:37:54,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:54,222 INFO L471 AbstractCegarLoop]: Abstraction has 1800 states and 2280 transitions. [2024-11-02 12:37:54,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2280 transitions. [2024-11-02 12:37:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:37:54,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:54,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:54,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 12:37:54,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:54,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash -128279793, now seen corresponding path program 1 times [2024-11-02 12:37:54,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:54,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677609294] [2024-11-02 12:37:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:54,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:54,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677609294] [2024-11-02 12:37:54,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677609294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:54,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:54,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:37:54,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412337038] [2024-11-02 12:37:54,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:54,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:37:54,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:54,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:37:54,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,307 INFO L87 Difference]: Start difference. First operand 1800 states and 2280 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:54,429 INFO L93 Difference]: Finished difference Result 2757 states and 3658 transitions. [2024-11-02 12:37:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:37:54,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2024-11-02 12:37:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:54,437 INFO L225 Difference]: With dead ends: 2757 [2024-11-02 12:37:54,437 INFO L226 Difference]: Without dead ends: 2057 [2024-11-02 12:37:54,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,439 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 377 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:54,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1207 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:37:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-11-02 12:37:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2055. [2024-11-02 12:37:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 2049 states have (on average 1.3025866276232307) internal successors, (2669), 2054 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2669 transitions. [2024-11-02 12:37:54,481 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2669 transitions. Word has length 52 [2024-11-02 12:37:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:54,483 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2669 transitions. [2024-11-02 12:37:54,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2669 transitions. [2024-11-02 12:37:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:37:54,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:54,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:54,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-02 12:37:54,486 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:54,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:54,487 INFO L85 PathProgramCache]: Analyzing trace with hash -678266137, now seen corresponding path program 1 times [2024-11-02 12:37:54,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:54,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107511400] [2024-11-02 12:37:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:54,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:54,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107511400] [2024-11-02 12:37:54,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107511400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:54,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:54,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:37:54,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073385585] [2024-11-02 12:37:54,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:54,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:37:54,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:54,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:37:54,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,581 INFO L87 Difference]: Start difference. First operand 2055 states and 2669 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:54,675 INFO L93 Difference]: Finished difference Result 3729 states and 5048 transitions. [2024-11-02 12:37:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:37:54,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2024-11-02 12:37:54,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:54,708 INFO L225 Difference]: With dead ends: 3729 [2024-11-02 12:37:54,710 INFO L226 Difference]: Without dead ends: 2601 [2024-11-02 12:37:54,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,712 INFO L432 NwaCegarLoop]: 791 mSDtfsCounter, 349 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:54,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1228 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:37:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2024-11-02 12:37:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2599. [2024-11-02 12:37:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 2593 states have (on average 1.321635171615889) internal successors, (3427), 2598 states have internal predecessors, (3427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3427 transitions. [2024-11-02 12:37:54,767 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3427 transitions. Word has length 52 [2024-11-02 12:37:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:54,768 INFO L471 AbstractCegarLoop]: Abstraction has 2599 states and 3427 transitions. [2024-11-02 12:37:54,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3427 transitions. [2024-11-02 12:37:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-02 12:37:54,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:54,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:54,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-02 12:37:54,771 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:54,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:54,775 INFO L85 PathProgramCache]: Analyzing trace with hash 396589116, now seen corresponding path program 1 times [2024-11-02 12:37:54,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:54,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136932495] [2024-11-02 12:37:54,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:54,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:54,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:54,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136932495] [2024-11-02 12:37:54,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136932495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:54,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:54,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:37:54,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036762891] [2024-11-02 12:37:54,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:54,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:37:54,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:54,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:37:54,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,850 INFO L87 Difference]: Start difference. First operand 2599 states and 3427 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:54,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:54,974 INFO L93 Difference]: Finished difference Result 4611 states and 6191 transitions. [2024-11-02 12:37:54,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:37:54,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-02 12:37:54,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:54,985 INFO L225 Difference]: With dead ends: 4611 [2024-11-02 12:37:54,985 INFO L226 Difference]: Without dead ends: 2525 [2024-11-02 12:37:54,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:54,988 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 557 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:54,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 801 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:37:54,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2024-11-02 12:37:55,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2213. [2024-11-02 12:37:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2208 states have (on average 1.3269927536231885) internal successors, (2930), 2212 states have internal predecessors, (2930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2930 transitions. [2024-11-02 12:37:55,025 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2930 transitions. Word has length 53 [2024-11-02 12:37:55,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:55,026 INFO L471 AbstractCegarLoop]: Abstraction has 2213 states and 2930 transitions. [2024-11-02 12:37:55,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2930 transitions. [2024-11-02 12:37:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-02 12:37:55,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:55,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:55,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-02 12:37:55,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:55,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:55,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1097574629, now seen corresponding path program 1 times [2024-11-02 12:37:55,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:55,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320571535] [2024-11-02 12:37:55,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:55,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:55,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320571535] [2024-11-02 12:37:55,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320571535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:55,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:55,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:37:55,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050743321] [2024-11-02 12:37:55,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:55,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:37:55,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:55,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:37:55,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:55,100 INFO L87 Difference]: Start difference. First operand 2213 states and 2930 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:55,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:55,216 INFO L93 Difference]: Finished difference Result 4102 states and 5512 transitions. [2024-11-02 12:37:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:37:55,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-02 12:37:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:55,222 INFO L225 Difference]: With dead ends: 4102 [2024-11-02 12:37:55,222 INFO L226 Difference]: Without dead ends: 2233 [2024-11-02 12:37:55,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:37:55,225 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 445 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:55,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 595 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:37:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2024-11-02 12:37:55,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1971. [2024-11-02 12:37:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1967 states have (on average 1.335027961362481) internal successors, (2626), 1970 states have internal predecessors, (2626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2626 transitions. [2024-11-02 12:37:55,258 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2626 transitions. Word has length 53 [2024-11-02 12:37:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:55,258 INFO L471 AbstractCegarLoop]: Abstraction has 1971 states and 2626 transitions. [2024-11-02 12:37:55,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2626 transitions. [2024-11-02 12:37:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-02 12:37:55,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:55,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:55,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-02 12:37:55,260 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:55,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:55,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1858325642, now seen corresponding path program 1 times [2024-11-02 12:37:55,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:55,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901889281] [2024-11-02 12:37:55,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:56,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:56,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901889281] [2024-11-02 12:37:56,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901889281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:56,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:56,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-02 12:37:56,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627315777] [2024-11-02 12:37:56,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:56,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-02 12:37:56,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:56,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-02 12:37:56,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-02 12:37:56,311 INFO L87 Difference]: Start difference. First operand 1971 states and 2626 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:57,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:57,711 INFO L93 Difference]: Finished difference Result 3266 states and 4352 transitions. [2024-11-02 12:37:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-02 12:37:57,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 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 54 [2024-11-02 12:37:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:57,725 INFO L225 Difference]: With dead ends: 3266 [2024-11-02 12:37:57,725 INFO L226 Difference]: Without dead ends: 3044 [2024-11-02 12:37:57,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-02 12:37:57,729 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 2274 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 3616 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:57,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2274 Valid, 3616 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 12:37:57,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2024-11-02 12:37:57,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 1959. [2024-11-02 12:37:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1956 states have (on average 1.3353783231083844) internal successors, (2612), 1958 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2612 transitions. [2024-11-02 12:37:57,775 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2612 transitions. Word has length 54 [2024-11-02 12:37:57,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:57,775 INFO L471 AbstractCegarLoop]: Abstraction has 1959 states and 2612 transitions. [2024-11-02 12:37:57,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 11 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2612 transitions. [2024-11-02 12:37:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-02 12:37:57,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:57,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:57,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-02 12:37:57,781 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-02 12:37:57,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:57,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1760291884, now seen corresponding path program 1 times [2024-11-02 12:37:57,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:57,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539555577] [2024-11-02 12:37:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:57,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:58,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:37:58,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:37:58,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539555577] [2024-11-02 12:37:58,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539555577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:58,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:58,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-02 12:37:58,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129572501] [2024-11-02 12:37:58,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:58,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-02 12:37:58,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:37:58,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-02 12:37:58,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:37:58,555 INFO L87 Difference]: Start difference. First operand 1959 states and 2612 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:37:59,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:59,528 INFO L93 Difference]: Finished difference Result 3485 states and 4626 transitions. [2024-11-02 12:37:59,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-02 12:37:59,529 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 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 54 [2024-11-02 12:37:59,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:59,537 INFO L225 Difference]: With dead ends: 3485 [2024-11-02 12:37:59,537 INFO L226 Difference]: Without dead ends: 3247 [2024-11-02 12:37:59,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-02 12:37:59,540 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 3009 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3009 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:59,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3009 Valid, 2116 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-02 12:37:59,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states.