./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5de8a6e48c671522e021c00f8053da339f3153b1fcc0b54263671efa3814086b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:43:06,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:43:06,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:43:06,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:43:06,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:43:06,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:43:06,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:43:06,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:43:06,871 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:43:06,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:43:06,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:43:06,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:43:06,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:43:06,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:43:06,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:43:06,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:43:06,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:43:06,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:43:06,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:43:06,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:43:06,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:43:06,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:43:06,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:43:06,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:43:06,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:43:06,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:43:06,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:43:06,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:43:06,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:43:06,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:43:06,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:43:06,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:43:06,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:06,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:43:06,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:43:06,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:43:06,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:43:06,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:43:06,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:43:06,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:43:06,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:43:06,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:43:06,899 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5de8a6e48c671522e021c00f8053da339f3153b1fcc0b54263671efa3814086b [2024-11-08 18:43:07,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:43:07,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:43:07,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:43:07,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:43:07,240 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:43:07,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-08 18:43:09,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:43:09,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:43:09,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-08 18:43:09,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/data/c949dfc27/8307d52e6d4748f0b7a78dd4606224b7/FLAG1f594b609 [2024-11-08 18:43:09,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/data/c949dfc27/8307d52e6d4748f0b7a78dd4606224b7 [2024-11-08 18:43:09,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:43:09,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:43:09,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:43:09,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:43:09,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:43:09,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:43:09" (1/1) ... [2024-11-08 18:43:09,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c686cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:09, skipping insertion in model container [2024-11-08 18:43:09,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:43:09" (1/1) ... [2024-11-08 18:43:09,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:43:10,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8424,8437] [2024-11-08 18:43:10,225 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12951,12964] [2024-11-08 18:43:10,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20701,20714] [2024-11-08 18:43:10,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27792,27805] [2024-11-08 18:43:10,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[49016,49029] [2024-11-08 18:43:10,599 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[80107,80120] [2024-11-08 18:43:10,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:43:10,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:43:10,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8424,8437] [2024-11-08 18:43:10,907 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12951,12964] [2024-11-08 18:43:10,931 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20701,20714] [2024-11-08 18:43:10,950 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27792,27805] [2024-11-08 18:43:10,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[49016,49029] [2024-11-08 18:43:11,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[80107,80120] [2024-11-08 18:43:11,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:43:11,215 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:43:11,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11 WrapperNode [2024-11-08 18:43:11,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:43:11,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:43:11,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:43:11,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:43:11,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,423 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6424 [2024-11-08 18:43:11,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:43:11,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:43:11,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:43:11,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:43:11,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,507 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:43:11,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:43:11,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:43:11,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:43:11,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:43:11,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (1/1) ... [2024-11-08 18:43:11,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:11,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:43:11,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:43:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:43:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:43:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:43:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:43:12,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:43:12,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:43:15,951 INFO L? ?]: Removed 1251 outVars from TransFormulas that were not future-live. [2024-11-08 18:43:15,952 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:43:16,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:43:16,011 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:43:16,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:16 BoogieIcfgContainer [2024-11-08 18:43:16,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:43:16,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:43:16,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:43:16,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:43:16,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:43:09" (1/3) ... [2024-11-08 18:43:16,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be7aa88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:43:16, skipping insertion in model container [2024-11-08 18:43:16,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:11" (2/3) ... [2024-11-08 18:43:16,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be7aa88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:43:16, skipping insertion in model container [2024-11-08 18:43:16,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:16" (3/3) ... [2024-11-08 18:43:16,025 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-08 18:43:16,045 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:43:16,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 18:43:16,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:43:16,189 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=PETRI_NET, 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;@1d024024, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:43:16,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 18:43:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 1290 states, 1283 states have (on average 1.7716289945440373) internal successors, (2273), 1289 states have internal predecessors, (2273), 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) [2024-11-08 18:43:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 18:43:16,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:16,234 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] [2024-11-08 18:43:16,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:16,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:16,246 INFO L85 PathProgramCache]: Analyzing trace with hash 692081489, now seen corresponding path program 1 times [2024-11-08 18:43:16,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:16,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726320118] [2024-11-08 18:43:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:16,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:17,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:17,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726320118] [2024-11-08 18:43:17,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726320118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:17,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:17,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:43:17,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590600112] [2024-11-08 18:43:17,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:17,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:17,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:17,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:17,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:17,052 INFO L87 Difference]: Start difference. First operand has 1290 states, 1283 states have (on average 1.7716289945440373) internal successors, (2273), 1289 states have internal predecessors, (2273), 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 10.4) internal successors, (52), 4 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) [2024-11-08 18:43:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:19,094 INFO L93 Difference]: Finished difference Result 2514 states and 4326 transitions. [2024-11-08 18:43:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:19,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 [2024-11-08 18:43:19,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:19,121 INFO L225 Difference]: With dead ends: 2514 [2024-11-08 18:43:19,121 INFO L226 Difference]: Without dead ends: 1590 [2024-11-08 18:43:19,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:19,132 INFO L432 NwaCegarLoop]: 1054 mSDtfsCounter, 7092 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7092 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:19,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7092 Valid, 1556 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 18:43:19,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2024-11-08 18:43:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1584. [2024-11-08 18:43:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1578 states have (on average 1.309252217997465) internal successors, (2066), 1583 states have internal predecessors, (2066), 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) [2024-11-08 18:43:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2066 transitions. [2024-11-08 18:43:19,245 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2066 transitions. Word has length 52 [2024-11-08 18:43:19,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:19,246 INFO L471 AbstractCegarLoop]: Abstraction has 1584 states and 2066 transitions. [2024-11-08 18:43:19,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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) [2024-11-08 18:43:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2066 transitions. [2024-11-08 18:43:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 18:43:19,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:19,250 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] [2024-11-08 18:43:19,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:43:19,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:19,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:19,251 INFO L85 PathProgramCache]: Analyzing trace with hash -736362272, now seen corresponding path program 1 times [2024-11-08 18:43:19,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:19,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490887097] [2024-11-08 18:43:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:19,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:19,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:19,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490887097] [2024-11-08 18:43:19,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490887097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:19,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:19,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:43:19,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415474173] [2024-11-08 18:43:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:19,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:19,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:19,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:19,469 INFO L87 Difference]: Start difference. First operand 1584 states and 2066 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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) [2024-11-08 18:43:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:20,805 INFO L93 Difference]: Finished difference Result 3198 states and 4201 transitions. [2024-11-08 18:43:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:20,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 [2024-11-08 18:43:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:20,812 INFO L225 Difference]: With dead ends: 3198 [2024-11-08 18:43:20,813 INFO L226 Difference]: Without dead ends: 2208 [2024-11-08 18:43:20,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:20,815 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 4976 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:20,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 1044 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 18:43:20,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2024-11-08 18:43:20,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2194. [2024-11-08 18:43:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2194 states, 2188 states have (on average 1.3194698354661791) internal successors, (2887), 2193 states have internal predecessors, (2887), 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) [2024-11-08 18:43:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 2887 transitions. [2024-11-08 18:43:20,868 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 2887 transitions. Word has length 53 [2024-11-08 18:43:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:20,868 INFO L471 AbstractCegarLoop]: Abstraction has 2194 states and 2887 transitions. [2024-11-08 18:43:20,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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) [2024-11-08 18:43:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2887 transitions. [2024-11-08 18:43:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 18:43:20,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:20,872 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] [2024-11-08 18:43:20,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:43:20,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:20,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1386389066, now seen corresponding path program 1 times [2024-11-08 18:43:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:20,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213818889] [2024-11-08 18:43:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:21,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:21,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213818889] [2024-11-08 18:43:21,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213818889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:21,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:21,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:43:21,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116796743] [2024-11-08 18:43:21,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:21,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:21,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:21,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:21,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:21,053 INFO L87 Difference]: Start difference. First operand 2194 states and 2887 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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) [2024-11-08 18:43:22,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:22,155 INFO L93 Difference]: Finished difference Result 4499 states and 5989 transitions. [2024-11-08 18:43:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:22,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 [2024-11-08 18:43:22,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:22,168 INFO L225 Difference]: With dead ends: 4499 [2024-11-08 18:43:22,169 INFO L226 Difference]: Without dead ends: 3072 [2024-11-08 18:43:22,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:22,175 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 4462 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:22,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 932 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:43:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2024-11-08 18:43:22,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3062. [2024-11-08 18:43:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3236256544502618) internal successors, (4045), 3061 states have internal predecessors, (4045), 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) [2024-11-08 18:43:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4045 transitions. [2024-11-08 18:43:22,299 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4045 transitions. Word has length 53 [2024-11-08 18:43:22,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:22,300 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4045 transitions. [2024-11-08 18:43:22,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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) [2024-11-08 18:43:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4045 transitions. [2024-11-08 18:43:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:43:22,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:22,304 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, 1] [2024-11-08 18:43:22,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:43:22,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:22,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:22,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1763239895, now seen corresponding path program 1 times [2024-11-08 18:43:22,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:22,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126055776] [2024-11-08 18:43:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:22,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:22,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:22,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126055776] [2024-11-08 18:43:22,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126055776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:22,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:22,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:43:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246580290] [2024-11-08 18:43:22,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:22,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:43:22,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:22,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:43:22,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:43:22,831 INFO L87 Difference]: Start difference. First operand 3062 states and 4045 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2024-11-08 18:43:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:24,450 INFO L93 Difference]: Finished difference Result 4439 states and 5985 transitions. [2024-11-08 18:43:24,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:43:24,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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 55 [2024-11-08 18:43:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:24,461 INFO L225 Difference]: With dead ends: 4439 [2024-11-08 18:43:24,462 INFO L226 Difference]: Without dead ends: 3735 [2024-11-08 18:43:24,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:43:24,464 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 6207 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6207 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:24,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6207 Valid, 2210 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 18:43:24,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2024-11-08 18:43:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3062. [2024-11-08 18:43:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3232984293193717) internal successors, (4044), 3061 states have internal predecessors, (4044), 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) [2024-11-08 18:43:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4044 transitions. [2024-11-08 18:43:24,537 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4044 transitions. Word has length 55 [2024-11-08 18:43:24,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:24,537 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4044 transitions. [2024-11-08 18:43:24,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2024-11-08 18:43:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4044 transitions. [2024-11-08 18:43:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:43:24,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:24,540 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, 1] [2024-11-08 18:43:24,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:43:24,541 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)] === [2024-11-08 18:43:24,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:24,541 INFO L85 PathProgramCache]: Analyzing trace with hash 622296368, now seen corresponding path program 1 times [2024-11-08 18:43:24,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:24,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323845792] [2024-11-08 18:43:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:24,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:25,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:25,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323845792] [2024-11-08 18:43:25,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323845792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:25,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:25,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:43:25,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813649943] [2024-11-08 18:43:25,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:25,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:43:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:43:25,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:43:25,061 INFO L87 Difference]: Start difference. First operand 3062 states and 4044 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-11-08 18:43:27,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:27,691 INFO L93 Difference]: Finished difference Result 5435 states and 7347 transitions. [2024-11-08 18:43:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:43:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 55 [2024-11-08 18:43:27,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:27,707 INFO L225 Difference]: With dead ends: 5435 [2024-11-08 18:43:27,707 INFO L226 Difference]: Without dead ends: 4865 [2024-11-08 18:43:27,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:43:27,710 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 5544 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 3863 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5544 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 3863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:27,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5544 Valid, 3838 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 3863 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 18:43:27,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4865 states. [2024-11-08 18:43:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4865 to 3062. [2024-11-08 18:43:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3229712041884816) internal successors, (4043), 3061 states have internal predecessors, (4043), 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) [2024-11-08 18:43:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4043 transitions. [2024-11-08 18:43:27,799 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4043 transitions. Word has length 55 [2024-11-08 18:43:27,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:27,799 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4043 transitions. [2024-11-08 18:43:27,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-11-08 18:43:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4043 transitions. [2024-11-08 18:43:27,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:43:27,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:27,802 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, 1] [2024-11-08 18:43:27,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:43:27,803 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:27,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:27,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1268497001, now seen corresponding path program 1 times [2024-11-08 18:43:27,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:27,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135642004] [2024-11-08 18:43:27,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:27,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:28,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135642004] [2024-11-08 18:43:28,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135642004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:28,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:28,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:43:28,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859970427] [2024-11-08 18:43:28,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:28,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:43:28,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:28,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:43:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:43:28,239 INFO L87 Difference]: Start difference. First operand 3062 states and 4043 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-11-08 18:43:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:30,128 INFO L93 Difference]: Finished difference Result 4387 states and 5878 transitions. [2024-11-08 18:43:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:43:30,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 55 [2024-11-08 18:43:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:30,147 INFO L225 Difference]: With dead ends: 4387 [2024-11-08 18:43:30,148 INFO L226 Difference]: Without dead ends: 4381 [2024-11-08 18:43:30,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:43:30,151 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 5271 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 2570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:30,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5271 Valid, 2972 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2570 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 18:43:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4381 states. [2024-11-08 18:43:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4381 to 3062. [2024-11-08 18:43:30,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3226439790575917) internal successors, (4042), 3061 states have internal predecessors, (4042), 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) [2024-11-08 18:43:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4042 transitions. [2024-11-08 18:43:30,246 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4042 transitions. Word has length 55 [2024-11-08 18:43:30,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:30,246 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4042 transitions. [2024-11-08 18:43:30,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-11-08 18:43:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4042 transitions. [2024-11-08 18:43:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 18:43:30,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:30,249 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, 1, 1] [2024-11-08 18:43:30,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:43:30,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:30,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:30,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1662572980, now seen corresponding path program 1 times [2024-11-08 18:43:30,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:30,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187230409] [2024-11-08 18:43:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:30,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:30,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:30,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187230409] [2024-11-08 18:43:30,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187230409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:30,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:30,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:30,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601826941] [2024-11-08 18:43:30,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:30,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:30,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:30,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:30,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:30,369 INFO L87 Difference]: Start difference. First operand 3062 states and 4042 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 18:43:30,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:30,453 INFO L93 Difference]: Finished difference Result 4018 states and 5491 transitions. [2024-11-08 18:43:30,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:30,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-08 18:43:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:30,464 INFO L225 Difference]: With dead ends: 4018 [2024-11-08 18:43:30,464 INFO L226 Difference]: Without dead ends: 3081 [2024-11-08 18:43:30,466 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 [2024-11-08 18:43:30,467 INFO L432 NwaCegarLoop]: 1186 mSDtfsCounter, 579 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:30,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1790 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:30,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2024-11-08 18:43:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 3079. [2024-11-08 18:43:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 3073 states have (on average 1.33875691506671) internal successors, (4114), 3078 states have internal predecessors, (4114), 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) [2024-11-08 18:43:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4114 transitions. [2024-11-08 18:43:30,529 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4114 transitions. Word has length 56 [2024-11-08 18:43:30,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:30,530 INFO L471 AbstractCegarLoop]: Abstraction has 3079 states and 4114 transitions. [2024-11-08 18:43:30,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 18:43:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4114 transitions. [2024-11-08 18:43:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 18:43:30,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:30,533 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, 1, 1] [2024-11-08 18:43:30,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:43:30,534 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)] === [2024-11-08 18:43:30,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:30,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1775531576, now seen corresponding path program 1 times [2024-11-08 18:43:30,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:30,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417864039] [2024-11-08 18:43:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:30,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:30,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417864039] [2024-11-08 18:43:30,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417864039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:30,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:30,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:30,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085256581] [2024-11-08 18:43:30,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:30,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:30,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:30,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:30,644 INFO L87 Difference]: Start difference. First operand 3079 states and 4114 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 18:43:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:30,731 INFO L93 Difference]: Finished difference Result 4753 states and 6649 transitions. [2024-11-08 18:43:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:30,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-08 18:43:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:30,742 INFO L225 Difference]: With dead ends: 4753 [2024-11-08 18:43:30,742 INFO L226 Difference]: Without dead ends: 3509 [2024-11-08 18:43:30,744 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 [2024-11-08 18:43:30,745 INFO L432 NwaCegarLoop]: 1145 mSDtfsCounter, 587 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:30,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1728 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2024-11-08 18:43:30,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 3507. [2024-11-08 18:43:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3507 states, 3501 states have (on average 1.3701799485861184) internal successors, (4797), 3506 states have internal predecessors, (4797), 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) [2024-11-08 18:43:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3507 states and 4797 transitions. [2024-11-08 18:43:30,806 INFO L78 Accepts]: Start accepts. Automaton has 3507 states and 4797 transitions. Word has length 56 [2024-11-08 18:43:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:30,807 INFO L471 AbstractCegarLoop]: Abstraction has 3507 states and 4797 transitions. [2024-11-08 18:43:30,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 18:43:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 4797 transitions. [2024-11-08 18:43:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 18:43:30,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:30,810 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, 1, 1] [2024-11-08 18:43:30,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:43:30,810 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:30,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1498951000, now seen corresponding path program 1 times [2024-11-08 18:43:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:30,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755129749] [2024-11-08 18:43:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:30,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:30,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:30,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:30,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755129749] [2024-11-08 18:43:30,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755129749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:30,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:30,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:30,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061587214] [2024-11-08 18:43:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:30,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:30,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:30,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:30,912 INFO L87 Difference]: Start difference. First operand 3507 states and 4797 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 18:43:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:31,073 INFO L93 Difference]: Finished difference Result 7489 states and 10501 transitions. [2024-11-08 18:43:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:31,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-08 18:43:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:31,092 INFO L225 Difference]: With dead ends: 7489 [2024-11-08 18:43:31,092 INFO L226 Difference]: Without dead ends: 5080 [2024-11-08 18:43:31,098 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 [2024-11-08 18:43:31,098 INFO L432 NwaCegarLoop]: 1215 mSDtfsCounter, 657 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:31,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1963 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:31,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2024-11-08 18:43:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 5074. [2024-11-08 18:43:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5074 states, 5068 states have (on average 1.3681925808997633) internal successors, (6934), 5073 states have internal predecessors, (6934), 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) [2024-11-08 18:43:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 6934 transitions. [2024-11-08 18:43:31,193 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 6934 transitions. Word has length 56 [2024-11-08 18:43:31,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:31,193 INFO L471 AbstractCegarLoop]: Abstraction has 5074 states and 6934 transitions. [2024-11-08 18:43:31,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 18:43:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 6934 transitions. [2024-11-08 18:43:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 18:43:31,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:31,196 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, 1, 1, 1] [2024-11-08 18:43:31,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:43:31,197 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:31,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:31,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1118792296, now seen corresponding path program 1 times [2024-11-08 18:43:31,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:31,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638329770] [2024-11-08 18:43:31,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:31,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:32,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:32,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638329770] [2024-11-08 18:43:32,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638329770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:32,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:32,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:43:32,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761732595] [2024-11-08 18:43:32,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:32,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:43:32,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:32,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:43:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:43:32,039 INFO L87 Difference]: Start difference. First operand 5074 states and 6934 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-11-08 18:43:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:34,233 INFO L93 Difference]: Finished difference Result 10633 states and 14817 transitions. [2024-11-08 18:43:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:43:34,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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 57 [2024-11-08 18:43:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:34,259 INFO L225 Difference]: With dead ends: 10633 [2024-11-08 18:43:34,259 INFO L226 Difference]: Without dead ends: 10570 [2024-11-08 18:43:34,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:43:34,265 INFO L432 NwaCegarLoop]: 1019 mSDtfsCounter, 6138 mSDsluCounter, 5302 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6138 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:34,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6138 Valid, 6321 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 18:43:34,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10570 states. [2024-11-08 18:43:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10570 to 5061. [2024-11-08 18:43:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5061 states, 5056 states have (on average 1.3684731012658229) internal successors, (6919), 5060 states have internal predecessors, (6919), 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) [2024-11-08 18:43:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5061 states to 5061 states and 6919 transitions. [2024-11-08 18:43:34,427 INFO L78 Accepts]: Start accepts. Automaton has 5061 states and 6919 transitions. Word has length 57 [2024-11-08 18:43:34,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:34,427 INFO L471 AbstractCegarLoop]: Abstraction has 5061 states and 6919 transitions. [2024-11-08 18:43:34,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-11-08 18:43:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 5061 states and 6919 transitions. [2024-11-08 18:43:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 18:43:34,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:34,432 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, 1, 1, 1] [2024-11-08 18:43:34,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:43:34,434 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)] === [2024-11-08 18:43:34,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash -677466950, now seen corresponding path program 1 times [2024-11-08 18:43:34,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:34,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794461604] [2024-11-08 18:43:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:34,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:34,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:34,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794461604] [2024-11-08 18:43:34,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794461604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:34,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:34,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:34,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738810576] [2024-11-08 18:43:34,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:34,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:34,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:34,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:34,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:34,537 INFO L87 Difference]: Start difference. First operand 5061 states and 6919 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-08 18:43:34,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:34,671 INFO L93 Difference]: Finished difference Result 9491 states and 13200 transitions. [2024-11-08 18:43:34,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:34,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2024-11-08 18:43:34,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:34,682 INFO L225 Difference]: With dead ends: 9491 [2024-11-08 18:43:34,682 INFO L226 Difference]: Without dead ends: 5440 [2024-11-08 18:43:34,687 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 [2024-11-08 18:43:34,688 INFO L432 NwaCegarLoop]: 826 mSDtfsCounter, 820 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:34,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1221 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:34,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5440 states. [2024-11-08 18:43:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5440 to 4347. [2024-11-08 18:43:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4343 states have (on average 1.3845268247755007) internal successors, (6013), 4346 states have internal predecessors, (6013), 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) [2024-11-08 18:43:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 6013 transitions. [2024-11-08 18:43:34,766 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 6013 transitions. Word has length 57 [2024-11-08 18:43:34,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:34,767 INFO L471 AbstractCegarLoop]: Abstraction has 4347 states and 6013 transitions. [2024-11-08 18:43:34,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-08 18:43:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 6013 transitions. [2024-11-08 18:43:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 18:43:34,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:34,769 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, 1, 1, 1] [2024-11-08 18:43:34,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:43:34,770 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:34,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:34,770 INFO L85 PathProgramCache]: Analyzing trace with hash -611117000, now seen corresponding path program 1 times [2024-11-08 18:43:34,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:34,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422404990] [2024-11-08 18:43:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:34,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:34,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422404990] [2024-11-08 18:43:34,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422404990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:34,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:34,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:34,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527678312] [2024-11-08 18:43:34,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:34,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:34,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:34,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:34,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:34,843 INFO L87 Difference]: Start difference. First operand 4347 states and 6013 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-08 18:43:34,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:34,952 INFO L93 Difference]: Finished difference Result 8377 states and 11806 transitions. [2024-11-08 18:43:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:34,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2024-11-08 18:43:34,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:34,960 INFO L225 Difference]: With dead ends: 8377 [2024-11-08 18:43:34,960 INFO L226 Difference]: Without dead ends: 4765 [2024-11-08 18:43:34,965 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 [2024-11-08 18:43:34,965 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 638 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:34,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1002 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:34,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2024-11-08 18:43:35,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 3818. [2024-11-08 18:43:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 3815 states have (on average 1.397640891218873) internal successors, (5332), 3817 states have internal predecessors, (5332), 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) [2024-11-08 18:43:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5332 transitions. [2024-11-08 18:43:35,066 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5332 transitions. Word has length 57 [2024-11-08 18:43:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:35,066 INFO L471 AbstractCegarLoop]: Abstraction has 3818 states and 5332 transitions. [2024-11-08 18:43:35,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-08 18:43:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5332 transitions. [2024-11-08 18:43:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 18:43:35,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:35,068 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, 1, 1, 1] [2024-11-08 18:43:35,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:43:35,069 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:35,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:35,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1274837938, now seen corresponding path program 1 times [2024-11-08 18:43:35,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:35,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744239635] [2024-11-08 18:43:35,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:35,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744239635] [2024-11-08 18:43:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744239635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:35,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:35,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:35,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902722921] [2024-11-08 18:43:35,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:35,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:35,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:35,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:35,142 INFO L87 Difference]: Start difference. First operand 3818 states and 5332 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-08 18:43:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:35,290 INFO L93 Difference]: Finished difference Result 7682 states and 10899 transitions. [2024-11-08 18:43:35,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:35,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2024-11-08 18:43:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:35,298 INFO L225 Difference]: With dead ends: 7682 [2024-11-08 18:43:35,298 INFO L226 Difference]: Without dead ends: 4206 [2024-11-08 18:43:35,302 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 [2024-11-08 18:43:35,303 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 549 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:35,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 904 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:35,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2024-11-08 18:43:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 3371. [2024-11-08 18:43:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 3368 states have (on average 1.4133016627078385) internal successors, (4760), 3370 states have internal predecessors, (4760), 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) [2024-11-08 18:43:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4760 transitions. [2024-11-08 18:43:35,356 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4760 transitions. Word has length 57 [2024-11-08 18:43:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:35,357 INFO L471 AbstractCegarLoop]: Abstraction has 3371 states and 4760 transitions. [2024-11-08 18:43:35,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-11-08 18:43:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4760 transitions. [2024-11-08 18:43:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 18:43:35,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:35,358 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, 1, 1, 1, 1] [2024-11-08 18:43:35,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:43:35,359 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:35,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:35,359 INFO L85 PathProgramCache]: Analyzing trace with hash -410378211, now seen corresponding path program 1 times [2024-11-08 18:43:35,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:35,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002382684] [2024-11-08 18:43:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:35,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:36,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002382684] [2024-11-08 18:43:36,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002382684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:36,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:36,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:43:36,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860133563] [2024-11-08 18:43:36,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:36,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:43:36,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:36,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:43:36,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:43:36,100 INFO L87 Difference]: Start difference. First operand 3371 states and 4760 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-11-08 18:43:37,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:37,034 INFO L93 Difference]: Finished difference Result 5559 states and 7906 transitions. [2024-11-08 18:43:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:43:37,035 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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 58 [2024-11-08 18:43:37,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:37,045 INFO L225 Difference]: With dead ends: 5559 [2024-11-08 18:43:37,045 INFO L226 Difference]: Without dead ends: 5555 [2024-11-08 18:43:37,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:43:37,047 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 2935 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:37,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 2954 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:43:37,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5555 states. [2024-11-08 18:43:37,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5555 to 3367. [2024-11-08 18:43:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3367 states, 3365 states have (on average 1.4133729569093612) internal successors, (4756), 3366 states have internal predecessors, (4756), 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) [2024-11-08 18:43:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4756 transitions. [2024-11-08 18:43:37,109 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4756 transitions. Word has length 58 [2024-11-08 18:43:37,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:37,110 INFO L471 AbstractCegarLoop]: Abstraction has 3367 states and 4756 transitions. [2024-11-08 18:43:37,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-11-08 18:43:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4756 transitions. [2024-11-08 18:43:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 18:43:37,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:37,111 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, 1, 1, 1, 1] [2024-11-08 18:43:37,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:43:37,112 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:37,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:37,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1645651769, now seen corresponding path program 1 times [2024-11-08 18:43:37,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:37,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560231570] [2024-11-08 18:43:37,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:37,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:37,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560231570] [2024-11-08 18:43:37,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560231570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:37,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:37,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 18:43:37,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639016435] [2024-11-08 18:43:37,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:37,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:43:37,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:37,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:43:37,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:43:37,786 INFO L87 Difference]: Start difference. First operand 3367 states and 4756 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-11-08 18:43:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:38,685 INFO L93 Difference]: Finished difference Result 5551 states and 7899 transitions. [2024-11-08 18:43:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:43:38,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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 58 [2024-11-08 18:43:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:38,695 INFO L225 Difference]: With dead ends: 5551 [2024-11-08 18:43:38,696 INFO L226 Difference]: Without dead ends: 5547 [2024-11-08 18:43:38,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:43:38,698 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 3411 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 3061 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:38,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 3061 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:43:38,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5547 states. [2024-11-08 18:43:38,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5547 to 3363. [2024-11-08 18:43:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3363 states, 3362 states have (on average 1.4134443783462225) internal successors, (4752), 3362 states have internal predecessors, (4752), 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) [2024-11-08 18:43:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 4752 transitions. [2024-11-08 18:43:38,757 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 4752 transitions. Word has length 58 [2024-11-08 18:43:38,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:38,757 INFO L471 AbstractCegarLoop]: Abstraction has 3363 states and 4752 transitions. [2024-11-08 18:43:38,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-11-08 18:43:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 4752 transitions. [2024-11-08 18:43:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 18:43:38,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:38,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:38,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 18:43:38,760 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:38,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:38,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1327663405, now seen corresponding path program 1 times [2024-11-08 18:43:38,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:38,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771639163] [2024-11-08 18:43:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:38,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:38,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771639163] [2024-11-08 18:43:38,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771639163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:38,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:38,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:38,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804807578] [2024-11-08 18:43:38,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:38,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:38,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:38,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:38,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:38,891 INFO L87 Difference]: Start difference. First operand 3363 states and 4752 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-08 18:43:39,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:39,020 INFO L93 Difference]: Finished difference Result 10483 states and 15148 transitions. [2024-11-08 18:43:39,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:39,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2024-11-08 18:43:39,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:39,032 INFO L225 Difference]: With dead ends: 10483 [2024-11-08 18:43:39,032 INFO L226 Difference]: Without dead ends: 7697 [2024-11-08 18:43:39,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:39,037 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 1614 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:39,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 1205 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:39,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7697 states. [2024-11-08 18:43:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7697 to 5839. [2024-11-08 18:43:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 5838 states have (on average 1.4128126070572113) internal successors, (8248), 5838 states have internal predecessors, (8248), 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) [2024-11-08 18:43:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 8248 transitions. [2024-11-08 18:43:39,216 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 8248 transitions. Word has length 66 [2024-11-08 18:43:39,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:39,216 INFO L471 AbstractCegarLoop]: Abstraction has 5839 states and 8248 transitions. [2024-11-08 18:43:39,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-08 18:43:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 8248 transitions. [2024-11-08 18:43:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 18:43:39,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:39,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:39,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 18:43:39,220 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:39,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:39,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2106166862, now seen corresponding path program 1 times [2024-11-08 18:43:39,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:39,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144310223] [2024-11-08 18:43:39,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:39,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:39,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:39,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144310223] [2024-11-08 18:43:39,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144310223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:39,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:39,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:39,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038321129] [2024-11-08 18:43:39,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:39,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:39,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:39,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:39,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:39,398 INFO L87 Difference]: Start difference. First operand 5839 states and 8248 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-11-08 18:43:39,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:39,503 INFO L93 Difference]: Finished difference Result 9145 states and 12967 transitions. [2024-11-08 18:43:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:39,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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 67 [2024-11-08 18:43:39,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:39,510 INFO L225 Difference]: With dead ends: 9145 [2024-11-08 18:43:39,511 INFO L226 Difference]: Without dead ends: 3861 [2024-11-08 18:43:39,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:39,516 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 1168 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:39,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 941 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:39,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2024-11-08 18:43:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3857. [2024-11-08 18:43:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 3856 states have (on average 1.3871887966804979) internal successors, (5349), 3856 states have internal predecessors, (5349), 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) [2024-11-08 18:43:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5349 transitions. [2024-11-08 18:43:39,566 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5349 transitions. Word has length 67 [2024-11-08 18:43:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:39,567 INFO L471 AbstractCegarLoop]: Abstraction has 3857 states and 5349 transitions. [2024-11-08 18:43:39,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-11-08 18:43:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5349 transitions. [2024-11-08 18:43:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 18:43:39,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:39,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:39,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 18:43:39,570 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:39,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:39,571 INFO L85 PathProgramCache]: Analyzing trace with hash -565252104, now seen corresponding path program 1 times [2024-11-08 18:43:39,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:39,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370007272] [2024-11-08 18:43:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:39,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:39,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370007272] [2024-11-08 18:43:39,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370007272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:39,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:39,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:39,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580779606] [2024-11-08 18:43:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:39,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:39,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:39,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:39,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:39,703 INFO L87 Difference]: Start difference. First operand 3857 states and 5349 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-08 18:43:39,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:39,788 INFO L93 Difference]: Finished difference Result 10147 states and 14275 transitions. [2024-11-08 18:43:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:39,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-08 18:43:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:39,800 INFO L225 Difference]: With dead ends: 10147 [2024-11-08 18:43:39,801 INFO L226 Difference]: Without dead ends: 6845 [2024-11-08 18:43:39,805 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 [2024-11-08 18:43:39,806 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 301 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:39,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 904 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:39,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6845 states. [2024-11-08 18:43:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6845 to 6427. [2024-11-08 18:43:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6427 states, 6426 states have (on average 1.3907563025210083) internal successors, (8937), 6426 states have internal predecessors, (8937), 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) [2024-11-08 18:43:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 8937 transitions. [2024-11-08 18:43:39,896 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 8937 transitions. Word has length 69 [2024-11-08 18:43:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:39,896 INFO L471 AbstractCegarLoop]: Abstraction has 6427 states and 8937 transitions. [2024-11-08 18:43:39,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-08 18:43:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 8937 transitions. [2024-11-08 18:43:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 18:43:39,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:39,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:39,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 18:43:39,899 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:39,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash -195732182, now seen corresponding path program 1 times [2024-11-08 18:43:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:39,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773776991] [2024-11-08 18:43:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:40,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:40,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773776991] [2024-11-08 18:43:40,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773776991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:40,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:40,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:40,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222333673] [2024-11-08 18:43:40,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:40,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:40,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:40,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:40,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:40,085 INFO L87 Difference]: Start difference. First operand 6427 states and 8937 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-08 18:43:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:40,184 INFO L93 Difference]: Finished difference Result 17545 states and 24533 transitions. [2024-11-08 18:43:40,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:40,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-08 18:43:40,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:40,200 INFO L225 Difference]: With dead ends: 17545 [2024-11-08 18:43:40,200 INFO L226 Difference]: Without dead ends: 11657 [2024-11-08 18:43:40,206 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 [2024-11-08 18:43:40,207 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 354 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:40,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 858 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11657 states. [2024-11-08 18:43:40,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11657 to 10823. [2024-11-08 18:43:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10823 states, 10822 states have (on average 1.3826464609129552) internal successors, (14963), 10822 states have internal predecessors, (14963), 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) [2024-11-08 18:43:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10823 states to 10823 states and 14963 transitions. [2024-11-08 18:43:40,355 INFO L78 Accepts]: Start accepts. Automaton has 10823 states and 14963 transitions. Word has length 72 [2024-11-08 18:43:40,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:40,355 INFO L471 AbstractCegarLoop]: Abstraction has 10823 states and 14963 transitions. [2024-11-08 18:43:40,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-08 18:43:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 10823 states and 14963 transitions. [2024-11-08 18:43:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 18:43:40,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:40,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:40,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 18:43:40,358 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:40,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash 950824169, now seen corresponding path program 1 times [2024-11-08 18:43:40,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:40,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293599270] [2024-11-08 18:43:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:40,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293599270] [2024-11-08 18:43:40,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293599270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:40,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:40,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:43:40,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086830825] [2024-11-08 18:43:40,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:40,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:43:40,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:40,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:43:40,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:43:40,752 INFO L87 Difference]: Start difference. First operand 10823 states and 14963 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-11-08 18:43:40,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:40,858 INFO L93 Difference]: Finished difference Result 11713 states and 16148 transitions. [2024-11-08 18:43:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:43:40,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 72 [2024-11-08 18:43:40,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:40,873 INFO L225 Difference]: With dead ends: 11713 [2024-11-08 18:43:40,873 INFO L226 Difference]: Without dead ends: 11711 [2024-11-08 18:43:40,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:43:40,878 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:40,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2728 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:40,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2024-11-08 18:43:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 11711. [2024-11-08 18:43:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11711 states, 11710 states have (on average 1.3536293766011955) internal successors, (15851), 11710 states have internal predecessors, (15851), 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) [2024-11-08 18:43:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11711 states to 11711 states and 15851 transitions. [2024-11-08 18:43:41,073 INFO L78 Accepts]: Start accepts. Automaton has 11711 states and 15851 transitions. Word has length 72 [2024-11-08 18:43:41,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:41,073 INFO L471 AbstractCegarLoop]: Abstraction has 11711 states and 15851 transitions. [2024-11-08 18:43:41,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-11-08 18:43:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11711 states and 15851 transitions. [2024-11-08 18:43:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 18:43:41,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:41,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:41,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 18:43:41,076 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:41,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:41,077 INFO L85 PathProgramCache]: Analyzing trace with hash -467379378, now seen corresponding path program 1 times [2024-11-08 18:43:41,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:41,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583350104] [2024-11-08 18:43:41,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:41,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:41,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583350104] [2024-11-08 18:43:41,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583350104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:41,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:41,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:43:41,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503859885] [2024-11-08 18:43:41,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:41,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:43:41,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:41,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:43:41,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:43:41,162 INFO L87 Difference]: Start difference. First operand 11711 states and 15851 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-08 18:43:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:41,290 INFO L93 Difference]: Finished difference Result 31614 states and 42824 transitions. [2024-11-08 18:43:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:43:41,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2024-11-08 18:43:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:41,314 INFO L225 Difference]: With dead ends: 31614 [2024-11-08 18:43:41,314 INFO L226 Difference]: Without dead ends: 20444 [2024-11-08 18:43:41,326 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 [2024-11-08 18:43:41,327 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 302 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:41,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 865 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20444 states. [2024-11-08 18:43:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20444 to 20442. [2024-11-08 18:43:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20442 states, 20441 states have (on average 1.3348662002837435) internal successors, (27286), 20441 states have internal predecessors, (27286), 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) [2024-11-08 18:43:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20442 states to 20442 states and 27286 transitions. [2024-11-08 18:43:41,693 INFO L78 Accepts]: Start accepts. Automaton has 20442 states and 27286 transitions. Word has length 73 [2024-11-08 18:43:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:41,693 INFO L471 AbstractCegarLoop]: Abstraction has 20442 states and 27286 transitions. [2024-11-08 18:43:41,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-08 18:43:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 20442 states and 27286 transitions. [2024-11-08 18:43:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 18:43:41,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:41,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:41,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 18:43:41,699 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:41,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:41,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1772479294, now seen corresponding path program 1 times [2024-11-08 18:43:41,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:41,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695356918] [2024-11-08 18:43:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:41,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:41,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695356918] [2024-11-08 18:43:41,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695356918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:41,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:41,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:41,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267027824] [2024-11-08 18:43:41,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:41,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:41,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:41,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:41,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:41,870 INFO L87 Difference]: Start difference. First operand 20442 states and 27286 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-08 18:43:42,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:42,070 INFO L93 Difference]: Finished difference Result 35938 states and 48166 transitions. [2024-11-08 18:43:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:42,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2024-11-08 18:43:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:42,106 INFO L225 Difference]: With dead ends: 35938 [2024-11-08 18:43:42,106 INFO L226 Difference]: Without dead ends: 29408 [2024-11-08 18:43:42,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:42,119 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 1023 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:42,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 1495 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29408 states. [2024-11-08 18:43:42,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29408 to 25624. [2024-11-08 18:43:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25624 states, 25623 states have (on average 1.3303672481754674) internal successors, (34088), 25623 states have internal predecessors, (34088), 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) [2024-11-08 18:43:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25624 states to 25624 states and 34088 transitions. [2024-11-08 18:43:42,678 INFO L78 Accepts]: Start accepts. Automaton has 25624 states and 34088 transitions. Word has length 77 [2024-11-08 18:43:42,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:42,679 INFO L471 AbstractCegarLoop]: Abstraction has 25624 states and 34088 transitions. [2024-11-08 18:43:42,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-08 18:43:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 25624 states and 34088 transitions. [2024-11-08 18:43:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 18:43:42,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:42,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:42,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 18:43:42,683 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:42,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1856799535, now seen corresponding path program 1 times [2024-11-08 18:43:42,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:42,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502133239] [2024-11-08 18:43:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:42,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:42,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502133239] [2024-11-08 18:43:42,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502133239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:42,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:42,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:42,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772940825] [2024-11-08 18:43:42,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:42,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:42,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:42,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:42,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:42,884 INFO L87 Difference]: Start difference. First operand 25624 states and 34088 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-08 18:43:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:43,144 INFO L93 Difference]: Finished difference Result 39414 states and 52674 transitions. [2024-11-08 18:43:43,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:43,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 78 [2024-11-08 18:43:43,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:43,191 INFO L225 Difference]: With dead ends: 39414 [2024-11-08 18:43:43,191 INFO L226 Difference]: Without dead ends: 32884 [2024-11-08 18:43:43,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:43,209 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 1028 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:43,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 1509 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:43,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32884 states. [2024-11-08 18:43:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32884 to 30806. [2024-11-08 18:43:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30806 states, 30805 states have (on average 1.3273819185197209) internal successors, (40890), 30805 states have internal predecessors, (40890), 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) [2024-11-08 18:43:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30806 states to 30806 states and 40890 transitions. [2024-11-08 18:43:43,877 INFO L78 Accepts]: Start accepts. Automaton has 30806 states and 40890 transitions. Word has length 78 [2024-11-08 18:43:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:43,878 INFO L471 AbstractCegarLoop]: Abstraction has 30806 states and 40890 transitions. [2024-11-08 18:43:43,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-08 18:43:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 30806 states and 40890 transitions. [2024-11-08 18:43:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 18:43:43,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:43,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:43,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 18:43:43,881 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:43,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:43,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2010164398, now seen corresponding path program 1 times [2024-11-08 18:43:43,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:43,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332044458] [2024-11-08 18:43:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:44,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:44,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332044458] [2024-11-08 18:43:44,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332044458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:44,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:44,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:44,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126273966] [2024-11-08 18:43:44,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:44,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:44,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:44,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:44,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:44,034 INFO L87 Difference]: Start difference. First operand 30806 states and 40890 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-08 18:43:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:44,197 INFO L93 Difference]: Finished difference Result 44658 states and 59458 transitions. [2024-11-08 18:43:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:44,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 78 [2024-11-08 18:43:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:44,234 INFO L225 Difference]: With dead ends: 44658 [2024-11-08 18:43:44,235 INFO L226 Difference]: Without dead ends: 38088 [2024-11-08 18:43:44,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:44,248 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 1106 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:44,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1334 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:44,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38088 states. [2024-11-08 18:43:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38088 to 36010. [2024-11-08 18:43:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36010 states, 36009 states have (on average 1.324280041100836) internal successors, (47686), 36009 states have internal predecessors, (47686), 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) [2024-11-08 18:43:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36010 states to 36010 states and 47686 transitions. [2024-11-08 18:43:44,976 INFO L78 Accepts]: Start accepts. Automaton has 36010 states and 47686 transitions. Word has length 78 [2024-11-08 18:43:44,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:44,976 INFO L471 AbstractCegarLoop]: Abstraction has 36010 states and 47686 transitions. [2024-11-08 18:43:44,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-08 18:43:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 36010 states and 47686 transitions. [2024-11-08 18:43:44,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 18:43:44,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:44,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:44,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 18:43:44,983 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:44,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:44,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1003850221, now seen corresponding path program 1 times [2024-11-08 18:43:44,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:44,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909457953] [2024-11-08 18:43:44,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:45,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:45,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909457953] [2024-11-08 18:43:45,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909457953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:45,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:45,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:43:45,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811151637] [2024-11-08 18:43:45,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:45,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:43:45,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:45,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:43:45,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:43:45,372 INFO L87 Difference]: Start difference. First operand 36010 states and 47686 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-11-08 18:43:45,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:45,660 INFO L93 Difference]: Finished difference Result 56544 states and 75121 transitions. [2024-11-08 18:43:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:43:45,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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 85 [2024-11-08 18:43:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:45,701 INFO L225 Difference]: With dead ends: 56544 [2024-11-08 18:43:45,701 INFO L226 Difference]: Without dead ends: 44834 [2024-11-08 18:43:45,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:43:45,712 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 1298 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:45,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 1339 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44834 states. [2024-11-08 18:43:46,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44834 to 41114. [2024-11-08 18:43:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41114 states, 41113 states have (on average 1.3249823656750905) internal successors, (54474), 41113 states have internal predecessors, (54474), 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) [2024-11-08 18:43:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41114 states to 41114 states and 54474 transitions. [2024-11-08 18:43:46,325 INFO L78 Accepts]: Start accepts. Automaton has 41114 states and 54474 transitions. Word has length 85 [2024-11-08 18:43:46,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:46,325 INFO L471 AbstractCegarLoop]: Abstraction has 41114 states and 54474 transitions. [2024-11-08 18:43:46,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-11-08 18:43:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 41114 states and 54474 transitions. [2024-11-08 18:43:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 18:43:46,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:46,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:46,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 18:43:46,332 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:46,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1777388971, now seen corresponding path program 1 times [2024-11-08 18:43:46,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:46,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468412199] [2024-11-08 18:43:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:46,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:46,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468412199] [2024-11-08 18:43:46,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468412199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:46,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:46,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:46,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662906802] [2024-11-08 18:43:46,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:46,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:46,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:46,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:46,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:46,763 INFO L87 Difference]: Start difference. First operand 41114 states and 54474 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-08 18:43:46,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:46,986 INFO L93 Difference]: Finished difference Result 65096 states and 86389 transitions. [2024-11-08 18:43:46,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:46,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 85 [2024-11-08 18:43:46,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:47,023 INFO L225 Difference]: With dead ends: 65096 [2024-11-08 18:43:47,023 INFO L226 Difference]: Without dead ends: 44566 [2024-11-08 18:43:47,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:47,038 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 1020 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:47,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1488 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:47,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44566 states. [2024-11-08 18:43:47,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44566 to 40838. [2024-11-08 18:43:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40838 states, 40837 states have (on average 1.3226730660920243) internal successors, (54014), 40837 states have internal predecessors, (54014), 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) [2024-11-08 18:43:47,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40838 states to 40838 states and 54014 transitions. [2024-11-08 18:43:47,567 INFO L78 Accepts]: Start accepts. Automaton has 40838 states and 54014 transitions. Word has length 85 [2024-11-08 18:43:47,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:47,567 INFO L471 AbstractCegarLoop]: Abstraction has 40838 states and 54014 transitions. [2024-11-08 18:43:47,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-08 18:43:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 40838 states and 54014 transitions. [2024-11-08 18:43:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 18:43:47,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:47,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:47,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 18:43:47,570 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:47,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:47,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1764353414, now seen corresponding path program 1 times [2024-11-08 18:43:47,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:47,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737697672] [2024-11-08 18:43:47,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:47,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737697672] [2024-11-08 18:43:47,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737697672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:47,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:47,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:43:47,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622598159] [2024-11-08 18:43:47,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:47,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:43:47,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:47,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:43:47,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:43:47,990 INFO L87 Difference]: Start difference. First operand 40838 states and 54014 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-08 18:43:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:48,300 INFO L93 Difference]: Finished difference Result 65352 states and 86485 transitions. [2024-11-08 18:43:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:43:48,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 85 [2024-11-08 18:43:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:48,366 INFO L225 Difference]: With dead ends: 65352 [2024-11-08 18:43:48,366 INFO L226 Difference]: Without dead ends: 46078 [2024-11-08 18:43:48,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:48,390 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 1090 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:48,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1334 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:43:48,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46078 states. [2024-11-08 18:43:49,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46078 to 40562. [2024-11-08 18:43:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40562 states, 40561 states have (on average 1.3203323389462784) internal successors, (53554), 40561 states have internal predecessors, (53554), 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) [2024-11-08 18:43:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40562 states to 40562 states and 53554 transitions. [2024-11-08 18:43:49,073 INFO L78 Accepts]: Start accepts. Automaton has 40562 states and 53554 transitions. Word has length 85 [2024-11-08 18:43:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:49,073 INFO L471 AbstractCegarLoop]: Abstraction has 40562 states and 53554 transitions. [2024-11-08 18:43:49,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-08 18:43:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 40562 states and 53554 transitions. [2024-11-08 18:43:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 18:43:49,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:49,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:49,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 18:43:49,077 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:49,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:49,078 INFO L85 PathProgramCache]: Analyzing trace with hash 747174186, now seen corresponding path program 1 times [2024-11-08 18:43:49,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:49,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964124469] [2024-11-08 18:43:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:49,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:49,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:49,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964124469] [2024-11-08 18:43:49,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964124469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:49,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:49,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:43:49,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632774944] [2024-11-08 18:43:49,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:49,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:43:49,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:49,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:43:49,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:49,256 INFO L87 Difference]: Start difference. First operand 40562 states and 53554 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2024-11-08 18:43:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:50,160 INFO L93 Difference]: Finished difference Result 50164 states and 66192 transitions. [2024-11-08 18:43:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:43:50,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2024-11-08 18:43:50,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:50,213 INFO L225 Difference]: With dead ends: 50164 [2024-11-08 18:43:50,213 INFO L226 Difference]: Without dead ends: 49034 [2024-11-08 18:43:50,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:43:50,219 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 2243 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:50,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 717 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:43:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49034 states. [2024-11-08 18:43:50,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49034 to 40560. [2024-11-08 18:43:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40560 states, 40559 states have (on average 1.3202988239355014) internal successors, (53550), 40559 states have internal predecessors, (53550), 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) [2024-11-08 18:43:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40560 states to 40560 states and 53550 transitions. [2024-11-08 18:43:50,727 INFO L78 Accepts]: Start accepts. Automaton has 40560 states and 53550 transitions. Word has length 86 [2024-11-08 18:43:50,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:50,728 INFO L471 AbstractCegarLoop]: Abstraction has 40560 states and 53550 transitions. [2024-11-08 18:43:50,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2024-11-08 18:43:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 40560 states and 53550 transitions. [2024-11-08 18:43:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 18:43:50,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:50,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:50,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 18:43:50,732 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1308336955, now seen corresponding path program 1 times [2024-11-08 18:43:50,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:50,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997713471] [2024-11-08 18:43:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:50,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:50,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997713471] [2024-11-08 18:43:50,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997713471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:50,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:50,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:43:50,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792945725] [2024-11-08 18:43:50,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:50,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:43:50,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:50,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:43:50,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:43:50,912 INFO L87 Difference]: Start difference. First operand 40560 states and 53550 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2024-11-08 18:43:51,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:51,646 INFO L93 Difference]: Finished difference Result 50434 states and 66532 transitions. [2024-11-08 18:43:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:43:51,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2024-11-08 18:43:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:51,701 INFO L225 Difference]: With dead ends: 50434 [2024-11-08 18:43:51,702 INFO L226 Difference]: Without dead ends: 49032 [2024-11-08 18:43:51,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:43:51,716 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 2247 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:51,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2247 Valid, 709 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:43:51,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49032 states. [2024-11-08 18:43:52,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49032 to 40558. [2024-11-08 18:43:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40558 states, 40557 states have (on average 1.320265305619252) internal successors, (53546), 40557 states have internal predecessors, (53546), 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) [2024-11-08 18:43:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40558 states to 40558 states and 53546 transitions. [2024-11-08 18:43:52,665 INFO L78 Accepts]: Start accepts. Automaton has 40558 states and 53546 transitions. Word has length 86 [2024-11-08 18:43:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:52,666 INFO L471 AbstractCegarLoop]: Abstraction has 40558 states and 53546 transitions. [2024-11-08 18:43:52,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2024-11-08 18:43:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 40558 states and 53546 transitions. [2024-11-08 18:43:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 18:43:52,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:52,678 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:52,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 18:43:52,678 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:52,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:52,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1313750202, now seen corresponding path program 1 times [2024-11-08 18:43:52,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:52,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084568209] [2024-11-08 18:43:52,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:52,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 18:43:53,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:53,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084568209] [2024-11-08 18:43:53,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084568209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:43:53,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:43:53,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:43:53,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413088345] [2024-11-08 18:43:53,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:43:53,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:43:53,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:53,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:43:53,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:43:53,102 INFO L87 Difference]: Start difference. First operand 40558 states and 53546 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 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) [2024-11-08 18:43:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:43:54,169 INFO L93 Difference]: Finished difference Result 76695 states and 101293 transitions. [2024-11-08 18:43:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:43:54,169 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 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 93 [2024-11-08 18:43:54,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:43:54,219 INFO L225 Difference]: With dead ends: 76695 [2024-11-08 18:43:54,219 INFO L226 Difference]: Without dead ends: 58657 [2024-11-08 18:43:54,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:43:54,235 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 2297 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:43:54,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1056 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:43:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58657 states. [2024-11-08 18:43:54,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58657 to 40544. [2024-11-08 18:43:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40544 states, 40543 states have (on average 1.320351232025257) internal successors, (53531), 40543 states have internal predecessors, (53531), 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) [2024-11-08 18:43:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40544 states to 40544 states and 53531 transitions. [2024-11-08 18:43:54,725 INFO L78 Accepts]: Start accepts. Automaton has 40544 states and 53531 transitions. Word has length 93 [2024-11-08 18:43:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:43:54,725 INFO L471 AbstractCegarLoop]: Abstraction has 40544 states and 53531 transitions. [2024-11-08 18:43:54,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 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) [2024-11-08 18:43:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 40544 states and 53531 transitions. [2024-11-08 18:43:54,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 18:43:54,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:54,730 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:54,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 18:43:54,731 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:43:54,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:54,731 INFO L85 PathProgramCache]: Analyzing trace with hash 648664286, now seen corresponding path program 1 times [2024-11-08 18:43:54,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:54,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567678974] [2024-11-08 18:43:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:55,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:43:55,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567678974] [2024-11-08 18:43:55,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567678974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:43:55,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325590566] [2024-11-08 18:43:55,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:43:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:55,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:43:55,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:43:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:43:55,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 18:43:55,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:43:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:56,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:43:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:43:57,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325590566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:43:57,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:43:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 21 [2024-11-08 18:43:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309251837] [2024-11-08 18:43:57,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:43:57,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 18:43:57,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:43:57,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 18:43:57,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:43:57,453 INFO L87 Difference]: Start difference. First operand 40544 states and 53531 transitions. Second operand has 21 states, 21 states have (on average 12.619047619047619) internal successors, (265), 21 states have internal predecessors, (265), 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) [2024-11-08 18:44:01,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:01,397 INFO L93 Difference]: Finished difference Result 200166 states and 264008 transitions. [2024-11-08 18:44:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-08 18:44:01,397 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.619047619047619) internal successors, (265), 21 states have internal predecessors, (265), 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 93 [2024-11-08 18:44:01,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:01,565 INFO L225 Difference]: With dead ends: 200166 [2024-11-08 18:44:01,565 INFO L226 Difference]: Without dead ends: 160152 [2024-11-08 18:44:01,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1136 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=845, Invalid=3315, Unknown=0, NotChecked=0, Total=4160 [2024-11-08 18:44:01,614 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 3714 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 4072 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3714 SdHoareTripleChecker+Valid, 4024 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 4072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:01,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3714 Valid, 4024 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 4072 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 18:44:01,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160152 states. [2024-11-08 18:44:03,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160152 to 53736. [2024-11-08 18:44:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53736 states, 53735 states have (on average 1.3190843956452964) internal successors, (70881), 53735 states have internal predecessors, (70881), 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) [2024-11-08 18:44:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53736 states to 53736 states and 70881 transitions. [2024-11-08 18:44:03,503 INFO L78 Accepts]: Start accepts. Automaton has 53736 states and 70881 transitions. Word has length 93 [2024-11-08 18:44:03,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:03,504 INFO L471 AbstractCegarLoop]: Abstraction has 53736 states and 70881 transitions. [2024-11-08 18:44:03,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.619047619047619) internal successors, (265), 21 states have internal predecessors, (265), 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) [2024-11-08 18:44:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 53736 states and 70881 transitions. [2024-11-08 18:44:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 18:44:03,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:03,512 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:03,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:44:03,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:03,713 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:03,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1428265138, now seen corresponding path program 1 times [2024-11-08 18:44:03,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:03,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989672113] [2024-11-08 18:44:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:03,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989672113] [2024-11-08 18:44:03,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989672113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:03,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:03,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:44:03,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973697015] [2024-11-08 18:44:03,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:03,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:44:03,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:03,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:44:03,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:44:03,852 INFO L87 Difference]: Start difference. First operand 53736 states and 70881 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-08 18:44:04,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:04,623 INFO L93 Difference]: Finished difference Result 160317 states and 211475 transitions. [2024-11-08 18:44:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:44:04,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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 97 [2024-11-08 18:44:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:04,748 INFO L225 Difference]: With dead ends: 160317 [2024-11-08 18:44:04,748 INFO L226 Difference]: Without dead ends: 107476 [2024-11-08 18:44:04,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:44:04,784 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 1001 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:04,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 854 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:44:04,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107476 states. [2024-11-08 18:44:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107476 to 74128. [2024-11-08 18:44:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74128 states, 74127 states have (on average 1.2889095741092989) internal successors, (95543), 74127 states have internal predecessors, (95543), 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) [2024-11-08 18:44:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74128 states to 74128 states and 95543 transitions. [2024-11-08 18:44:06,537 INFO L78 Accepts]: Start accepts. Automaton has 74128 states and 95543 transitions. Word has length 97 [2024-11-08 18:44:06,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:06,537 INFO L471 AbstractCegarLoop]: Abstraction has 74128 states and 95543 transitions. [2024-11-08 18:44:06,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-08 18:44:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 74128 states and 95543 transitions. [2024-11-08 18:44:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 18:44:06,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:06,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:06,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 18:44:06,562 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:06,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:06,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2003684455, now seen corresponding path program 1 times [2024-11-08 18:44:06,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:06,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883860413] [2024-11-08 18:44:06,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:06,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:06,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883860413] [2024-11-08 18:44:06,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883860413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:06,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:06,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:44:06,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775321855] [2024-11-08 18:44:06,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:06,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:44:06,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:06,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:44:06,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:44:06,740 INFO L87 Difference]: Start difference. First operand 74128 states and 95543 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-08 18:44:07,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:07,507 INFO L93 Difference]: Finished difference Result 153314 states and 197556 transitions. [2024-11-08 18:44:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:44:07,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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 97 [2024-11-08 18:44:07,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:07,591 INFO L225 Difference]: With dead ends: 153314 [2024-11-08 18:44:07,591 INFO L226 Difference]: Without dead ends: 79802 [2024-11-08 18:44:07,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:44:07,625 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 1018 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:07,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 745 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:44:07,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79802 states. [2024-11-08 18:44:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79802 to 70931. [2024-11-08 18:44:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70931 states, 70930 states have (on average 1.2597067531368955) internal successors, (89351), 70930 states have internal predecessors, (89351), 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) [2024-11-08 18:44:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70931 states to 70931 states and 89351 transitions. [2024-11-08 18:44:08,817 INFO L78 Accepts]: Start accepts. Automaton has 70931 states and 89351 transitions. Word has length 97 [2024-11-08 18:44:08,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:08,818 INFO L471 AbstractCegarLoop]: Abstraction has 70931 states and 89351 transitions. [2024-11-08 18:44:08,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-08 18:44:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 70931 states and 89351 transitions. [2024-11-08 18:44:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 18:44:08,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:08,827 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:08,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 18:44:08,827 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:08,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash 321227878, now seen corresponding path program 1 times [2024-11-08 18:44:08,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:08,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798885620] [2024-11-08 18:44:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:44:08,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:08,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798885620] [2024-11-08 18:44:08,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798885620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:08,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:08,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:08,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800234199] [2024-11-08 18:44:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:08,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:08,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:08,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:08,972 INFO L87 Difference]: Start difference. First operand 70931 states and 89351 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-11-08 18:44:09,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:09,313 INFO L93 Difference]: Finished difference Result 90177 states and 113356 transitions. [2024-11-08 18:44:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:09,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 98 [2024-11-08 18:44:09,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:09,372 INFO L225 Difference]: With dead ends: 90177 [2024-11-08 18:44:09,372 INFO L226 Difference]: Without dead ends: 51691 [2024-11-08 18:44:09,395 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 [2024-11-08 18:44:09,395 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 155 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:09,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 971 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:09,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51691 states. [2024-11-08 18:44:10,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51691 to 51581. [2024-11-08 18:44:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51581 states, 51580 states have (on average 1.247499030632028) internal successors, (64346), 51580 states have internal predecessors, (64346), 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) [2024-11-08 18:44:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51581 states to 51581 states and 64346 transitions. [2024-11-08 18:44:10,344 INFO L78 Accepts]: Start accepts. Automaton has 51581 states and 64346 transitions. Word has length 98 [2024-11-08 18:44:10,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:10,344 INFO L471 AbstractCegarLoop]: Abstraction has 51581 states and 64346 transitions. [2024-11-08 18:44:10,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-11-08 18:44:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 51581 states and 64346 transitions. [2024-11-08 18:44:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 18:44:10,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:10,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:10,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 18:44:10,352 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:10,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:10,352 INFO L85 PathProgramCache]: Analyzing trace with hash 106277470, now seen corresponding path program 1 times [2024-11-08 18:44:10,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:10,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602904427] [2024-11-08 18:44:10,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:10,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:10,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:10,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602904427] [2024-11-08 18:44:10,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602904427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:10,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:10,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:10,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72841448] [2024-11-08 18:44:10,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:10,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:10,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:10,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:10,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:10,457 INFO L87 Difference]: Start difference. First operand 51581 states and 64346 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-08 18:44:10,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:10,668 INFO L93 Difference]: Finished difference Result 66632 states and 82877 transitions. [2024-11-08 18:44:10,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:10,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 98 [2024-11-08 18:44:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:10,712 INFO L225 Difference]: With dead ends: 66632 [2024-11-08 18:44:10,713 INFO L226 Difference]: Without dead ends: 35363 [2024-11-08 18:44:10,733 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 [2024-11-08 18:44:10,734 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 172 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:10,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 925 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:10,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35363 states. [2024-11-08 18:44:11,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35363 to 35331. [2024-11-08 18:44:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35331 states, 35330 states have (on average 1.2313331446362865) internal successors, (43503), 35330 states have internal predecessors, (43503), 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) [2024-11-08 18:44:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35331 states to 35331 states and 43503 transitions. [2024-11-08 18:44:11,532 INFO L78 Accepts]: Start accepts. Automaton has 35331 states and 43503 transitions. Word has length 98 [2024-11-08 18:44:11,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:11,532 INFO L471 AbstractCegarLoop]: Abstraction has 35331 states and 43503 transitions. [2024-11-08 18:44:11,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-08 18:44:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 35331 states and 43503 transitions. [2024-11-08 18:44:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 18:44:11,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:11,537 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:11,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 18:44:11,537 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:11,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:11,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2063038233, now seen corresponding path program 1 times [2024-11-08 18:44:11,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:11,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845598160] [2024-11-08 18:44:11,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:11,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:44:11,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:11,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845598160] [2024-11-08 18:44:11,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845598160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:11,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:11,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:11,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650722174] [2024-11-08 18:44:11,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:11,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:11,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:11,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:11,632 INFO L87 Difference]: Start difference. First operand 35331 states and 43503 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-11-08 18:44:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:11,768 INFO L93 Difference]: Finished difference Result 45268 states and 55703 transitions. [2024-11-08 18:44:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:11,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 100 [2024-11-08 18:44:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:11,786 INFO L225 Difference]: With dead ends: 45268 [2024-11-08 18:44:11,786 INFO L226 Difference]: Without dead ends: 22423 [2024-11-08 18:44:11,794 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 [2024-11-08 18:44:11,795 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 161 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:11,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 957 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:11,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22423 states. [2024-11-08 18:44:11,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22423 to 21591. [2024-11-08 18:44:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21591 states, 21590 states have (on average 1.215886984715146) internal successors, (26251), 21590 states have internal predecessors, (26251), 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) [2024-11-08 18:44:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21591 states to 21591 states and 26251 transitions. [2024-11-08 18:44:12,022 INFO L78 Accepts]: Start accepts. Automaton has 21591 states and 26251 transitions. Word has length 100 [2024-11-08 18:44:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:12,022 INFO L471 AbstractCegarLoop]: Abstraction has 21591 states and 26251 transitions. [2024-11-08 18:44:12,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-11-08 18:44:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 21591 states and 26251 transitions. [2024-11-08 18:44:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 18:44:12,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:12,028 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:12,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 18:44:12,028 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:12,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1965208128, now seen corresponding path program 1 times [2024-11-08 18:44:12,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:12,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666153043] [2024-11-08 18:44:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:12,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:12,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666153043] [2024-11-08 18:44:12,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666153043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:12,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164770612] [2024-11-08 18:44:12,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:12,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:12,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:12,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:44:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:12,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:44:12,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:13,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:13,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164770612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:13,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:13,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-08 18:44:13,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135563816] [2024-11-08 18:44:13,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:13,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:44:13,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:13,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:44:13,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:44:13,485 INFO L87 Difference]: Start difference. First operand 21591 states and 26251 transitions. Second operand has 14 states, 14 states have (on average 19.785714285714285) internal successors, (277), 14 states have internal predecessors, (277), 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) [2024-11-08 18:44:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:14,348 INFO L93 Difference]: Finished difference Result 46890 states and 57060 transitions. [2024-11-08 18:44:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:44:14,349 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.785714285714285) internal successors, (277), 14 states have internal predecessors, (277), 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 101 [2024-11-08 18:44:14,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:14,373 INFO L225 Difference]: With dead ends: 46890 [2024-11-08 18:44:14,373 INFO L226 Difference]: Without dead ends: 25912 [2024-11-08 18:44:14,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:44:14,383 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 3479 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:14,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 1662 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:44:14,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25912 states. [2024-11-08 18:44:14,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25912 to 23074. [2024-11-08 18:44:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23074 states, 23073 states have (on average 1.1988037966454297) internal successors, (27660), 23073 states have internal predecessors, (27660), 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) [2024-11-08 18:44:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23074 states to 23074 states and 27660 transitions. [2024-11-08 18:44:14,570 INFO L78 Accepts]: Start accepts. Automaton has 23074 states and 27660 transitions. Word has length 101 [2024-11-08 18:44:14,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:14,571 INFO L471 AbstractCegarLoop]: Abstraction has 23074 states and 27660 transitions. [2024-11-08 18:44:14,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.785714285714285) internal successors, (277), 14 states have internal predecessors, (277), 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) [2024-11-08 18:44:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23074 states and 27660 transitions. [2024-11-08 18:44:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 18:44:14,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:14,576 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:14,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:44:14,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:14,777 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:14,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:14,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1034101961, now seen corresponding path program 1 times [2024-11-08 18:44:14,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:14,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49913927] [2024-11-08 18:44:14,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:14,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 18:44:14,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49913927] [2024-11-08 18:44:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49913927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:14,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:14,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:44:14,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685003702] [2024-11-08 18:44:14,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:14,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:14,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:14,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:14,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:14,897 INFO L87 Difference]: Start difference. First operand 23074 states and 27660 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-11-08 18:44:15,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:15,343 INFO L93 Difference]: Finished difference Result 42149 states and 50849 transitions. [2024-11-08 18:44:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:44:15,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 103 [2024-11-08 18:44:15,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:15,370 INFO L225 Difference]: With dead ends: 42149 [2024-11-08 18:44:15,370 INFO L226 Difference]: Without dead ends: 34856 [2024-11-08 18:44:15,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:15,379 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 388 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:15,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1120 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:44:15,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34856 states. [2024-11-08 18:44:15,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34856 to 26575. [2024-11-08 18:44:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26575 states, 26574 states have (on average 1.200007526153383) internal successors, (31889), 26574 states have internal predecessors, (31889), 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) [2024-11-08 18:44:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26575 states to 26575 states and 31889 transitions. [2024-11-08 18:44:15,838 INFO L78 Accepts]: Start accepts. Automaton has 26575 states and 31889 transitions. Word has length 103 [2024-11-08 18:44:15,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:15,838 INFO L471 AbstractCegarLoop]: Abstraction has 26575 states and 31889 transitions. [2024-11-08 18:44:15,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-11-08 18:44:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 26575 states and 31889 transitions. [2024-11-08 18:44:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 18:44:15,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:15,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:15,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 18:44:15,847 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:15,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:15,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1054150810, now seen corresponding path program 1 times [2024-11-08 18:44:15,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:15,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167764360] [2024-11-08 18:44:15,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:15,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:16,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:16,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167764360] [2024-11-08 18:44:16,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167764360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:16,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:16,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:44:16,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931583055] [2024-11-08 18:44:16,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:16,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 18:44:16,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:16,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 18:44:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:44:16,471 INFO L87 Difference]: Start difference. First operand 26575 states and 31889 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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) [2024-11-08 18:44:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:17,694 INFO L93 Difference]: Finished difference Result 58867 states and 70788 transitions. [2024-11-08 18:44:17,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:44:17,695 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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 104 [2024-11-08 18:44:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:17,737 INFO L225 Difference]: With dead ends: 58867 [2024-11-08 18:44:17,737 INFO L226 Difference]: Without dead ends: 45776 [2024-11-08 18:44:17,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:44:17,751 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 2723 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:17,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 1732 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:44:17,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45776 states. [2024-11-08 18:44:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45776 to 43600. [2024-11-08 18:44:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43600 states, 43599 states have (on average 1.2002798229317186) internal successors, (52331), 43599 states have internal predecessors, (52331), 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) [2024-11-08 18:44:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43600 states to 43600 states and 52331 transitions. [2024-11-08 18:44:18,355 INFO L78 Accepts]: Start accepts. Automaton has 43600 states and 52331 transitions. Word has length 104 [2024-11-08 18:44:18,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:18,355 INFO L471 AbstractCegarLoop]: Abstraction has 43600 states and 52331 transitions. [2024-11-08 18:44:18,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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) [2024-11-08 18:44:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 43600 states and 52331 transitions. [2024-11-08 18:44:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 18:44:18,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:18,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:18,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 18:44:18,363 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:18,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:18,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1201921318, now seen corresponding path program 1 times [2024-11-08 18:44:18,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:18,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379189229] [2024-11-08 18:44:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:18,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:44:18,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:18,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379189229] [2024-11-08 18:44:18,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379189229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:18,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:18,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:44:18,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590725057] [2024-11-08 18:44:18,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:18,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:18,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:18,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:18,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:18,476 INFO L87 Difference]: Start difference. First operand 43600 states and 52331 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-11-08 18:44:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:18,919 INFO L93 Difference]: Finished difference Result 67320 states and 80262 transitions. [2024-11-08 18:44:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:44:18,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-08 18:44:18,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:18,969 INFO L225 Difference]: With dead ends: 67320 [2024-11-08 18:44:18,969 INFO L226 Difference]: Without dead ends: 58934 [2024-11-08 18:44:18,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:18,982 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 340 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:18,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 997 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:44:19,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58934 states. [2024-11-08 18:44:19,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58934 to 47919. [2024-11-08 18:44:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47919 states, 47918 states have (on average 1.1996953128260779) internal successors, (57487), 47918 states have internal predecessors, (57487), 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) [2024-11-08 18:44:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47919 states to 47919 states and 57487 transitions. [2024-11-08 18:44:19,681 INFO L78 Accepts]: Start accepts. Automaton has 47919 states and 57487 transitions. Word has length 105 [2024-11-08 18:44:19,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:19,682 INFO L471 AbstractCegarLoop]: Abstraction has 47919 states and 57487 transitions. [2024-11-08 18:44:19,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-11-08 18:44:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47919 states and 57487 transitions. [2024-11-08 18:44:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 18:44:19,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:19,690 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:19,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 18:44:19,690 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:19,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:19,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1516488219, now seen corresponding path program 1 times [2024-11-08 18:44:19,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:19,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420065926] [2024-11-08 18:44:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:19,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:20,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:20,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420065926] [2024-11-08 18:44:20,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420065926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:20,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699471646] [2024-11-08 18:44:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:20,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:20,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:20,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:20,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:44:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:20,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 18:44:20,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:21,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:23,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699471646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:23,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:23,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 15] total 34 [2024-11-08 18:44:23,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913231696] [2024-11-08 18:44:23,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:23,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-08 18:44:23,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:23,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-08 18:44:23,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 18:44:23,226 INFO L87 Difference]: Start difference. First operand 47919 states and 57487 transitions. Second operand has 35 states, 35 states have (on average 8.257142857142858) internal successors, (289), 34 states have internal predecessors, (289), 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) [2024-11-08 18:44:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:38,442 INFO L93 Difference]: Finished difference Result 229762 states and 273292 transitions. [2024-11-08 18:44:38,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-11-08 18:44:38,442 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 8.257142857142858) internal successors, (289), 34 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-08 18:44:38,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:38,676 INFO L225 Difference]: With dead ends: 229762 [2024-11-08 18:44:38,676 INFO L226 Difference]: Without dead ends: 201136 [2024-11-08 18:44:38,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15732 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=6467, Invalid=37005, Unknown=0, NotChecked=0, Total=43472 [2024-11-08 18:44:38,723 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 8289 mSDsluCounter, 9546 mSDsCounter, 0 mSdLazyCounter, 9716 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8289 SdHoareTripleChecker+Valid, 10071 SdHoareTripleChecker+Invalid, 9890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 9716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:38,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8289 Valid, 10071 Invalid, 9890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [174 Valid, 9716 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-08 18:44:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201136 states. [2024-11-08 18:44:40,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201136 to 76349. [2024-11-08 18:44:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76349 states, 76348 states have (on average 1.1973201655577095) internal successors, (91413), 76348 states have internal predecessors, (91413), 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) [2024-11-08 18:44:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76349 states to 76349 states and 91413 transitions. [2024-11-08 18:44:40,423 INFO L78 Accepts]: Start accepts. Automaton has 76349 states and 91413 transitions. Word has length 105 [2024-11-08 18:44:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:40,424 INFO L471 AbstractCegarLoop]: Abstraction has 76349 states and 91413 transitions. [2024-11-08 18:44:40,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.257142857142858) internal successors, (289), 34 states have internal predecessors, (289), 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) [2024-11-08 18:44:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 76349 states and 91413 transitions. [2024-11-08 18:44:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 18:44:40,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:40,434 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:40,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 18:44:40,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:40,635 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:40,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1998757435, now seen corresponding path program 1 times [2024-11-08 18:44:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:40,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336758513] [2024-11-08 18:44:40,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:40,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:40,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336758513] [2024-11-08 18:44:40,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336758513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:40,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:40,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:40,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50244422] [2024-11-08 18:44:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:40,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:40,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:40,717 INFO L87 Difference]: Start difference. First operand 76349 states and 91413 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:41,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:41,050 INFO L93 Difference]: Finished difference Result 142055 states and 170282 transitions. [2024-11-08 18:44:41,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:41,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-08 18:44:41,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:41,159 INFO L225 Difference]: With dead ends: 142055 [2024-11-08 18:44:41,160 INFO L226 Difference]: Without dead ends: 112153 [2024-11-08 18:44:41,187 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 [2024-11-08 18:44:41,188 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 180 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:41,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1056 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:44:41,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112153 states. [2024-11-08 18:44:42,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112153 to 77203. [2024-11-08 18:44:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77203 states, 77202 states have (on average 1.1883759488096164) internal successors, (91745), 77202 states have internal predecessors, (91745), 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) [2024-11-08 18:44:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77203 states to 77203 states and 91745 transitions. [2024-11-08 18:44:42,471 INFO L78 Accepts]: Start accepts. Automaton has 77203 states and 91745 transitions. Word has length 105 [2024-11-08 18:44:42,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:42,471 INFO L471 AbstractCegarLoop]: Abstraction has 77203 states and 91745 transitions. [2024-11-08 18:44:42,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 77203 states and 91745 transitions. [2024-11-08 18:44:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 18:44:42,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:42,478 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:42,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 18:44:42,478 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:42,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:42,479 INFO L85 PathProgramCache]: Analyzing trace with hash 502907426, now seen corresponding path program 1 times [2024-11-08 18:44:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:42,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280048654] [2024-11-08 18:44:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 18:44:42,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:42,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280048654] [2024-11-08 18:44:42,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280048654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:42,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:42,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:44:42,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521633779] [2024-11-08 18:44:42,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:42,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:44:42,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:42,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:44:42,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:44:42,805 INFO L87 Difference]: Start difference. First operand 77203 states and 91745 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-11-08 18:44:44,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:44,211 INFO L93 Difference]: Finished difference Result 104988 states and 124694 transitions. [2024-11-08 18:44:44,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:44:44,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-08 18:44:44,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:44,287 INFO L225 Difference]: With dead ends: 104988 [2024-11-08 18:44:44,287 INFO L226 Difference]: Without dead ends: 82647 [2024-11-08 18:44:44,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:44:44,305 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 1287 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:44,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 1357 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:44:44,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82647 states. [2024-11-08 18:44:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82647 to 77203. [2024-11-08 18:44:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77203 states, 77202 states have (on average 1.1883500427450067) internal successors, (91743), 77202 states have internal predecessors, (91743), 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) [2024-11-08 18:44:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77203 states to 77203 states and 91743 transitions. [2024-11-08 18:44:45,451 INFO L78 Accepts]: Start accepts. Automaton has 77203 states and 91743 transitions. Word has length 105 [2024-11-08 18:44:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:45,451 INFO L471 AbstractCegarLoop]: Abstraction has 77203 states and 91743 transitions. [2024-11-08 18:44:45,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-11-08 18:44:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 77203 states and 91743 transitions. [2024-11-08 18:44:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 18:44:45,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:45,464 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:45,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 18:44:45,464 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:45,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash -902844599, now seen corresponding path program 1 times [2024-11-08 18:44:45,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:45,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852521474] [2024-11-08 18:44:45,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:45,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 18:44:45,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:45,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852521474] [2024-11-08 18:44:45,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852521474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:45,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:45,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:44:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240807629] [2024-11-08 18:44:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:45,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:45,624 INFO L87 Difference]: Start difference. First operand 77203 states and 91743 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-11-08 18:44:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:46,274 INFO L93 Difference]: Finished difference Result 122675 states and 145627 transitions. [2024-11-08 18:44:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:44:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 107 [2024-11-08 18:44:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:46,421 INFO L225 Difference]: With dead ends: 122675 [2024-11-08 18:44:46,421 INFO L226 Difference]: Without dead ends: 104130 [2024-11-08 18:44:46,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:46,449 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 354 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:46,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1020 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:44:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104130 states. [2024-11-08 18:44:47,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104130 to 86427. [2024-11-08 18:44:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86427 states, 86426 states have (on average 1.1892833175201907) internal successors, (102785), 86426 states have internal predecessors, (102785), 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) [2024-11-08 18:44:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86427 states to 86427 states and 102785 transitions. [2024-11-08 18:44:47,588 INFO L78 Accepts]: Start accepts. Automaton has 86427 states and 102785 transitions. Word has length 107 [2024-11-08 18:44:47,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:47,588 INFO L471 AbstractCegarLoop]: Abstraction has 86427 states and 102785 transitions. [2024-11-08 18:44:47,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-11-08 18:44:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 86427 states and 102785 transitions. [2024-11-08 18:44:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 18:44:47,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:47,596 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:47,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 18:44:47,596 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 18:44:47,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:47,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1493592392, now seen corresponding path program 1 times [2024-11-08 18:44:47,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:47,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346421427] [2024-11-08 18:44:47,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:47,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:47,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346421427] [2024-11-08 18:44:47,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346421427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965213660] [2024-11-08 18:44:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:47,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:47,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:47,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636cb1a7-19f6-43f9-ad2a-e44b0f45031f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:44:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:48,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 18:44:48,358 INFO L278 TraceCheckSpWp]: Computing forward predicates...