./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/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 7f3df0b4eae1d513bdc1ba52a53496aa05ff593bd28211e99c6fbfee672a86c9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:52:39,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:52:39,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:52:39,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:52:39,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:52:39,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:52:39,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:52:39,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:52:39,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:52:39,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:52:39,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:52:39,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:52:39,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:52:39,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:52:39,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:52:39,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:52:39,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:52:39,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:52:39,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:52:39,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:52:39,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:52:39,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:52:39,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:52:39,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:52:39,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:52:39,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:52:39,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:52:39,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:52:39,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:52:39,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:52:39,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:52:39,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:52:39,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:52:39,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:52:39,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:52:39,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:52:39,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:52:39,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:52:39,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:52:39,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:52:39,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:52:39,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:52:39,818 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f3df0b4eae1d513bdc1ba52a53496aa05ff593bd28211e99c6fbfee672a86c9 [2024-11-08 16:52:40,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:52:40,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:52:40,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:52:40,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:52:40,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:52:40,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-08 16:52:42,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:52:42,810 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:52:42,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:52:42,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/data/6b6e87b0a/034a5137160e4680a71c2be325467bd9/FLAGc99f136f5 [2024-11-08 16:52:42,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/data/6b6e87b0a/034a5137160e4680a71c2be325467bd9 [2024-11-08 16:52:42,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:52:42,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:52:42,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:52:42,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:52:42,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:52:42,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:52:42" (1/1) ... [2024-11-08 16:52:42,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f97388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:42, skipping insertion in model container [2024-11-08 16:52:42,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:52:42" (1/1) ... [2024-11-08 16:52:42,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:52:43,420 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2024-11-08 16:52:43,450 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2024-11-08 16:52:43,476 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2024-11-08 16:52:43,499 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2024-11-08 16:52:43,525 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2024-11-08 16:52:43,546 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2024-11-08 16:52:43,569 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2024-11-08 16:52:43,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:52:43,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:52:43,701 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2024-11-08 16:52:43,718 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2024-11-08 16:52:43,740 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2024-11-08 16:52:43,771 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2024-11-08 16:52:43,805 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2024-11-08 16:52:43,828 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2024-11-08 16:52:43,860 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_c7ce72ce-7ca6-46be-9972-fad7155fbc73/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2024-11-08 16:52:43,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:52:43,994 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:52:43,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43 WrapperNode [2024-11-08 16:52:43,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:52:43,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:52:43,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:52:43,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:52:44,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,120 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1340 [2024-11-08 16:52:44,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:52:44,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:52:44,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:52:44,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:52:44,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,193 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 16:52:44,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:52:44,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:52:44,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:52:44,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:52:44,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (1/1) ... [2024-11-08 16:52:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:52:44,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:44,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:52:44,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:52:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:52:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:52:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:52:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:52:44,546 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:52:44,548 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:52:46,015 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2024-11-08 16:52:46,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:52:46,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:52:46,037 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:52:46,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:46 BoogieIcfgContainer [2024-11-08 16:52:46,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:52:46,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:52:46,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:52:46,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:52:46,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:52:42" (1/3) ... [2024-11-08 16:52:46,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787070e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:52:46, skipping insertion in model container [2024-11-08 16:52:46,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:43" (2/3) ... [2024-11-08 16:52:46,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787070e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:52:46, skipping insertion in model container [2024-11-08 16:52:46,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:46" (3/3) ... [2024-11-08 16:52:46,047 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:52:46,069 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:52:46,069 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-08 16:52:46,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:52:46,171 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;@46075708, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:52:46,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 16:52:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 266 states, 258 states have (on average 1.8294573643410852) internal successors, (472), 265 states have internal predecessors, (472), 0 states have call successors, (0), 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 16:52:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 16:52:46,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:46,198 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] [2024-11-08 16:52:46,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:46,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash -102713619, now seen corresponding path program 1 times [2024-11-08 16:52:46,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:46,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178621550] [2024-11-08 16:52:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:46,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:47,020 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 16:52:47,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:47,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178621550] [2024-11-08 16:52:47,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178621550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:47,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:47,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:52:47,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001054757] [2024-11-08 16:52:47,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:47,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:52:47,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:52:47,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:52:47,076 INFO L87 Difference]: Start difference. First operand has 266 states, 258 states have (on average 1.8294573643410852) internal successors, (472), 265 states have internal predecessors, (472), 0 states have call successors, (0), 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 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:52:47,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:47,546 INFO L93 Difference]: Finished difference Result 343 states and 586 transitions. [2024-11-08 16:52:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:52:47,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-08 16:52:47,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:47,563 INFO L225 Difference]: With dead ends: 343 [2024-11-08 16:52:47,563 INFO L226 Difference]: Without dead ends: 193 [2024-11-08 16:52:47,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:52:47,572 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 934 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:47,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 249 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:52:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-08 16:52:47,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-08 16:52:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 186 states have (on average 1.2795698924731183) internal successors, (238), 192 states have internal predecessors, (238), 0 states have call successors, (0), 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 16:52:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2024-11-08 16:52:47,649 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 47 [2024-11-08 16:52:47,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:47,650 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2024-11-08 16:52:47,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:52:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2024-11-08 16:52:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 16:52:47,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:47,657 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] [2024-11-08 16:52:47,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:52:47,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:47,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1933719334, now seen corresponding path program 1 times [2024-11-08 16:52:47,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:47,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839078931] [2024-11-08 16:52:47,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:47,986 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 16:52:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839078931] [2024-11-08 16:52:47,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839078931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:47,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:47,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:52:47,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746674849] [2024-11-08 16:52:47,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:47,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:52:47,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:47,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:52:47,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:52:47,992 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:52:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:48,250 INFO L93 Difference]: Finished difference Result 279 states and 353 transitions. [2024-11-08 16:52:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:52:48,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-08 16:52:48,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:48,252 INFO L225 Difference]: With dead ends: 279 [2024-11-08 16:52:48,252 INFO L226 Difference]: Without dead ends: 177 [2024-11-08 16:52:48,253 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 16:52:48,254 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 602 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:48,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 139 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:52:48,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-08 16:52:48,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-08 16:52:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 176 states have internal predecessors, (219), 0 states have call successors, (0), 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 16:52:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2024-11-08 16:52:48,274 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 47 [2024-11-08 16:52:48,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:48,278 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2024-11-08 16:52:48,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:52:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2024-11-08 16:52:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 16:52:48,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:48,281 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] [2024-11-08 16:52:48,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:52:48,281 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:48,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:48,285 INFO L85 PathProgramCache]: Analyzing trace with hash 458596476, now seen corresponding path program 1 times [2024-11-08 16:52:48,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:48,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371184994] [2024-11-08 16:52:48,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:48,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:48,475 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 16:52:48,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:48,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371184994] [2024-11-08 16:52:48,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371184994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:48,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:48,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:52:48,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888617959] [2024-11-08 16:52:48,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:48,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:52:48,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:48,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:52:48,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:52:48,479 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:52:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:48,767 INFO L93 Difference]: Finished difference Result 339 states and 435 transitions. [2024-11-08 16:52:48,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:52:48,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-08 16:52:48,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:48,771 INFO L225 Difference]: With dead ends: 339 [2024-11-08 16:52:48,771 INFO L226 Difference]: Without dead ends: 239 [2024-11-08 16:52:48,772 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 16:52:48,773 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 768 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:48,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 190 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:52:48,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-08 16:52:48,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 215. [2024-11-08 16:52:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3509615384615385) internal successors, (281), 214 states have internal predecessors, (281), 0 states have call successors, (0), 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 16:52:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 281 transitions. [2024-11-08 16:52:48,788 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 281 transitions. Word has length 47 [2024-11-08 16:52:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:48,789 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 281 transitions. [2024-11-08 16:52:48,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:52:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 281 transitions. [2024-11-08 16:52:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 16:52:48,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:48,791 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] [2024-11-08 16:52:48,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:52:48,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:48,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1498085814, now seen corresponding path program 1 times [2024-11-08 16:52:48,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:48,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817989648] [2024-11-08 16:52:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:48,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:49,414 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 16:52:49,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:49,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817989648] [2024-11-08 16:52:49,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817989648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:49,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:49,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:52:49,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232889292] [2024-11-08 16:52:49,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:49,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:52:49,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:49,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:52:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:52:49,421 INFO L87 Difference]: Start difference. First operand 215 states and 281 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:52:50,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:50,005 INFO L93 Difference]: Finished difference Result 358 states and 474 transitions. [2024-11-08 16:52:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:52:50,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-08 16:52:50,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:50,007 INFO L225 Difference]: With dead ends: 358 [2024-11-08 16:52:50,007 INFO L226 Difference]: Without dead ends: 353 [2024-11-08 16:52:50,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:52:50,012 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1095 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:50,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 480 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:52:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-08 16:52:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 215. [2024-11-08 16:52:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3461538461538463) internal successors, (280), 214 states have internal predecessors, (280), 0 states have call successors, (0), 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 16:52:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 280 transitions. [2024-11-08 16:52:50,036 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 280 transitions. Word has length 48 [2024-11-08 16:52:50,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:50,037 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 280 transitions. [2024-11-08 16:52:50,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:52:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 280 transitions. [2024-11-08 16:52:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 16:52:50,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:50,044 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] [2024-11-08 16:52:50,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:52:50,044 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:50,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:50,045 INFO L85 PathProgramCache]: Analyzing trace with hash 267052195, now seen corresponding path program 1 times [2024-11-08 16:52:50,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:50,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729094938] [2024-11-08 16:52:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:50,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:50,467 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 16:52:50,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:50,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729094938] [2024-11-08 16:52:50,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729094938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:50,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:50,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:52:50,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108701171] [2024-11-08 16:52:50,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:50,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:52:50,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:50,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:52:50,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:52:50,470 INFO L87 Difference]: Start difference. First operand 215 states and 280 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:52:51,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:51,035 INFO L93 Difference]: Finished difference Result 403 states and 541 transitions. [2024-11-08 16:52:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:52:51,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-08 16:52:51,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:51,038 INFO L225 Difference]: With dead ends: 403 [2024-11-08 16:52:51,038 INFO L226 Difference]: Without dead ends: 302 [2024-11-08 16:52:51,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:52:51,044 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 802 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:51,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 484 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:52:51,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-08 16:52:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 215. [2024-11-08 16:52:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3413461538461537) internal successors, (279), 214 states have internal predecessors, (279), 0 states have call successors, (0), 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 16:52:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 279 transitions. [2024-11-08 16:52:51,063 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 279 transitions. Word has length 48 [2024-11-08 16:52:51,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:51,064 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 279 transitions. [2024-11-08 16:52:51,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:52:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 279 transitions. [2024-11-08 16:52:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 16:52:51,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:51,066 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] [2024-11-08 16:52:51,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:52:51,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:51,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1788008380, now seen corresponding path program 1 times [2024-11-08 16:52:51,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:51,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719217700] [2024-11-08 16:52:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:51,486 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 16:52:51,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:51,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719217700] [2024-11-08 16:52:51,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719217700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:51,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:51,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:52:51,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628484459] [2024-11-08 16:52:51,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:51,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:52:51,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:51,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:52:51,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:52:51,489 INFO L87 Difference]: Start difference. First operand 215 states and 279 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:52:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:51,939 INFO L93 Difference]: Finished difference Result 459 states and 614 transitions. [2024-11-08 16:52:51,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:52:51,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-08 16:52:51,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:51,947 INFO L225 Difference]: With dead ends: 459 [2024-11-08 16:52:51,947 INFO L226 Difference]: Without dead ends: 335 [2024-11-08 16:52:51,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:52:51,953 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 971 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:51,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 391 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:52:51,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-08 16:52:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 215. [2024-11-08 16:52:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3365384615384615) internal successors, (278), 214 states have internal predecessors, (278), 0 states have call successors, (0), 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 16:52:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 278 transitions. [2024-11-08 16:52:51,969 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 278 transitions. Word has length 48 [2024-11-08 16:52:51,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:51,970 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 278 transitions. [2024-11-08 16:52:51,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:52:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 278 transitions. [2024-11-08 16:52:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 16:52:51,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:51,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:51,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:52:51,976 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:51,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:51,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1932349207, now seen corresponding path program 1 times [2024-11-08 16:52:51,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:51,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030335400] [2024-11-08 16:52:51,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:51,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:53,005 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 16:52:53,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:53,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030335400] [2024-11-08 16:52:53,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030335400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:53,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:53,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:52:53,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836990264] [2024-11-08 16:52:53,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:53,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:52:53,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:53,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:52:53,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:52:53,009 INFO L87 Difference]: Start difference. First operand 215 states and 278 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:53,874 INFO L93 Difference]: Finished difference Result 349 states and 463 transitions. [2024-11-08 16:52:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:52:53,875 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-08 16:52:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:53,877 INFO L225 Difference]: With dead ends: 349 [2024-11-08 16:52:53,877 INFO L226 Difference]: Without dead ends: 345 [2024-11-08 16:52:53,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:52:53,879 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 931 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:53,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 953 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:52:53,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-08 16:52:53,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 211. [2024-11-08 16:52:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 205 states have (on average 1.3365853658536586) internal successors, (274), 210 states have internal predecessors, (274), 0 states have call successors, (0), 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 16:52:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 274 transitions. [2024-11-08 16:52:53,893 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 274 transitions. Word has length 50 [2024-11-08 16:52:53,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:53,896 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 274 transitions. [2024-11-08 16:52:53,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 274 transitions. [2024-11-08 16:52:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 16:52:53,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:53,897 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:53,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:52:53,898 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:53,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1779763646, now seen corresponding path program 1 times [2024-11-08 16:52:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:53,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683169699] [2024-11-08 16:52:53,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:53,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:54,638 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 16:52:54,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:54,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683169699] [2024-11-08 16:52:54,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683169699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:54,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:54,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:52:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393520183] [2024-11-08 16:52:54,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:54,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:52:54,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:54,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:52:54,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:52:54,646 INFO L87 Difference]: Start difference. First operand 211 states and 274 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:55,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:55,219 INFO L93 Difference]: Finished difference Result 401 states and 551 transitions. [2024-11-08 16:52:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:52:55,220 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-08 16:52:55,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:55,222 INFO L225 Difference]: With dead ends: 401 [2024-11-08 16:52:55,223 INFO L226 Difference]: Without dead ends: 284 [2024-11-08 16:52:55,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:52:55,228 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 591 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:55,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 575 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:52:55,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-08 16:52:55,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 178. [2024-11-08 16:52:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 177 states have internal predecessors, (235), 0 states have call successors, (0), 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 16:52:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2024-11-08 16:52:55,243 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 50 [2024-11-08 16:52:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:55,244 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2024-11-08 16:52:55,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-11-08 16:52:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 16:52:55,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:55,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:55,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:52:55,245 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:55,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:55,246 INFO L85 PathProgramCache]: Analyzing trace with hash -767196360, now seen corresponding path program 1 times [2024-11-08 16:52:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:55,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959951729] [2024-11-08 16:52:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:55,621 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 16:52:55,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:55,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959951729] [2024-11-08 16:52:55,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959951729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:55,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:55,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:52:55,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971308256] [2024-11-08 16:52:55,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:55,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:52:55,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:55,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:52:55,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:52:55,625 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:56,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:56,058 INFO L93 Difference]: Finished difference Result 305 states and 410 transitions. [2024-11-08 16:52:56,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:52:56,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-08 16:52:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:56,060 INFO L225 Difference]: With dead ends: 305 [2024-11-08 16:52:56,060 INFO L226 Difference]: Without dead ends: 298 [2024-11-08 16:52:56,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:52:56,062 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 842 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:56,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 364 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:52:56,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-08 16:52:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 178. [2024-11-08 16:52:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3371428571428572) internal successors, (234), 177 states have internal predecessors, (234), 0 states have call successors, (0), 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 16:52:56,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 234 transitions. [2024-11-08 16:52:56,069 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 234 transitions. Word has length 51 [2024-11-08 16:52:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:56,070 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 234 transitions. [2024-11-08 16:52:56,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 234 transitions. [2024-11-08 16:52:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 16:52:56,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:56,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:56,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:52:56,072 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:56,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:56,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1195663953, now seen corresponding path program 1 times [2024-11-08 16:52:56,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:56,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335636556] [2024-11-08 16:52:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:56,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:56,406 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 16:52:56,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:56,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335636556] [2024-11-08 16:52:56,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335636556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:56,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:56,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:52:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301332] [2024-11-08 16:52:56,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:56,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:52:56,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:56,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:52:56,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:52:56,409 INFO L87 Difference]: Start difference. First operand 178 states and 234 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:56,799 INFO L93 Difference]: Finished difference Result 295 states and 400 transitions. [2024-11-08 16:52:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:52:56,800 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-08 16:52:56,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:56,801 INFO L225 Difference]: With dead ends: 295 [2024-11-08 16:52:56,801 INFO L226 Difference]: Without dead ends: 181 [2024-11-08 16:52:56,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:52:56,803 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 337 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:56,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 366 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:52:56,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-08 16:52:56,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2024-11-08 16:52:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 177 states have internal predecessors, (232), 0 states have call successors, (0), 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 16:52:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 232 transitions. [2024-11-08 16:52:56,810 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 232 transitions. Word has length 51 [2024-11-08 16:52:56,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:56,810 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 232 transitions. [2024-11-08 16:52:56,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 232 transitions. [2024-11-08 16:52:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 16:52:56,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:56,812 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 16:52:56,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:52:56,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:56,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:56,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1837589620, now seen corresponding path program 1 times [2024-11-08 16:52:56,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:56,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839894557] [2024-11-08 16:52:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:56,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:58,021 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 16:52:58,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:58,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839894557] [2024-11-08 16:52:58,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839894557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:58,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:58,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 16:52:58,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188783578] [2024-11-08 16:52:58,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:58,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:52:58,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:58,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:52:58,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:52:58,025 INFO L87 Difference]: Start difference. First operand 178 states and 232 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 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 16:52:59,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:59,258 INFO L93 Difference]: Finished difference Result 191 states and 247 transitions. [2024-11-08 16:52:59,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:52:59,258 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 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 16:52:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:59,260 INFO L225 Difference]: With dead ends: 191 [2024-11-08 16:52:59,260 INFO L226 Difference]: Without dead ends: 185 [2024-11-08 16:52:59,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-11-08 16:52:59,261 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 228 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:59,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1013 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:52:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-08 16:52:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 184. [2024-11-08 16:52:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 183 states have internal predecessors, (240), 0 states have call successors, (0), 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 16:52:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 240 transitions. [2024-11-08 16:52:59,268 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 240 transitions. Word has length 53 [2024-11-08 16:52:59,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:59,268 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 240 transitions. [2024-11-08 16:52:59,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 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 16:52:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 240 transitions. [2024-11-08 16:52:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 16:52:59,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:59,270 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 16:52:59,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:52:59,270 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:52:59,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 916052531, now seen corresponding path program 1 times [2024-11-08 16:52:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:59,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490574175] [2024-11-08 16:52:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:00,503 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 16:53:00,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:00,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490574175] [2024-11-08 16:53:00,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490574175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:00,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:00,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 16:53:00,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316455329] [2024-11-08 16:53:00,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:00,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:53:00,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:00,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:53:00,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:53:00,507 INFO L87 Difference]: Start difference. First operand 184 states and 240 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 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 16:53:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:01,759 INFO L93 Difference]: Finished difference Result 196 states and 252 transitions. [2024-11-08 16:53:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:53:01,760 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 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 16:53:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:01,761 INFO L225 Difference]: With dead ends: 196 [2024-11-08 16:53:01,761 INFO L226 Difference]: Without dead ends: 188 [2024-11-08 16:53:01,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:53:01,763 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 399 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:01,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 976 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:53:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-08 16:53:01,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 187. [2024-11-08 16:53:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.3206521739130435) internal successors, (243), 186 states have internal predecessors, (243), 0 states have call successors, (0), 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 16:53:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 243 transitions. [2024-11-08 16:53:01,769 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 243 transitions. Word has length 53 [2024-11-08 16:53:01,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:01,770 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 243 transitions. [2024-11-08 16:53:01,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 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 16:53:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2024-11-08 16:53:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 16:53:01,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:01,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:01,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:53:01,775 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:01,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:01,775 INFO L85 PathProgramCache]: Analyzing trace with hash 576756188, now seen corresponding path program 1 times [2024-11-08 16:53:01,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:01,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816635056] [2024-11-08 16:53:01,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:01,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:02,557 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 16:53:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:02,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816635056] [2024-11-08 16:53:02,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816635056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:02,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:02,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:53:02,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572956761] [2024-11-08 16:53:02,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:02,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:53:02,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:02,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:53:02,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:53:02,561 INFO L87 Difference]: Start difference. First operand 187 states and 243 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:53:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:03,362 INFO L93 Difference]: Finished difference Result 291 states and 394 transitions. [2024-11-08 16:53:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:53:03,369 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-08 16:53:03,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:03,370 INFO L225 Difference]: With dead ends: 291 [2024-11-08 16:53:03,370 INFO L226 Difference]: Without dead ends: 285 [2024-11-08 16:53:03,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:53:03,372 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 619 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:03,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 921 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:53:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-08 16:53:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 175. [2024-11-08 16:53:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 173 states have (on average 1.3179190751445087) internal successors, (228), 174 states have internal predecessors, (228), 0 states have call successors, (0), 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 16:53:03,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 228 transitions. [2024-11-08 16:53:03,391 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 228 transitions. Word has length 54 [2024-11-08 16:53:03,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:03,392 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 228 transitions. [2024-11-08 16:53:03,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:53:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 228 transitions. [2024-11-08 16:53:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 16:53:03,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:03,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:03,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:53:03,394 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:03,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash -787967428, now seen corresponding path program 1 times [2024-11-08 16:53:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:03,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328565121] [2024-11-08 16:53:03,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:03,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:04,096 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 16:53:04,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:04,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328565121] [2024-11-08 16:53:04,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328565121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:04,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:04,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:53:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931192925] [2024-11-08 16:53:04,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:04,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:53:04,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:04,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:53:04,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:53:04,100 INFO L87 Difference]: Start difference. First operand 175 states and 228 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:53:04,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:04,680 INFO L93 Difference]: Finished difference Result 175 states and 228 transitions. [2024-11-08 16:53:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:53:04,680 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-08 16:53:04,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:04,681 INFO L225 Difference]: With dead ends: 175 [2024-11-08 16:53:04,682 INFO L226 Difference]: Without dead ends: 160 [2024-11-08 16:53:04,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:53:04,683 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 172 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:04,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 778 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:53:04,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-08 16:53:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-08 16:53:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.3270440251572326) internal successors, (211), 159 states have internal predecessors, (211), 0 states have call successors, (0), 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 16:53:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 211 transitions. [2024-11-08 16:53:04,690 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 211 transitions. Word has length 54 [2024-11-08 16:53:04,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:04,690 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 211 transitions. [2024-11-08 16:53:04,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:53:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 211 transitions. [2024-11-08 16:53:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 16:53:04,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:04,692 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] [2024-11-08 16:53:04,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:53:04,692 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:04,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:04,693 INFO L85 PathProgramCache]: Analyzing trace with hash 415256315, now seen corresponding path program 1 times [2024-11-08 16:53:04,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:04,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369742303] [2024-11-08 16:53:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:04,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:04,822 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 16:53:04,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:04,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369742303] [2024-11-08 16:53:04,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369742303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:04,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:04,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:53:04,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922257619] [2024-11-08 16:53:04,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:04,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:53:04,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:04,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:53:04,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:53:04,825 INFO L87 Difference]: Start difference. First operand 160 states and 211 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:53:04,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:04,935 INFO L93 Difference]: Finished difference Result 664 states and 979 transitions. [2024-11-08 16:53:04,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:53:04,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-08 16:53:04,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:04,939 INFO L225 Difference]: With dead ends: 664 [2024-11-08 16:53:04,939 INFO L226 Difference]: Without dead ends: 580 [2024-11-08 16:53:04,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:53:04,942 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 492 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:04,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 506 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:53:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-08 16:53:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 242. [2024-11-08 16:53:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.3858921161825726) internal successors, (334), 241 states have internal predecessors, (334), 0 states have call successors, (0), 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 16:53:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 334 transitions. [2024-11-08 16:53:04,955 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 334 transitions. Word has length 71 [2024-11-08 16:53:04,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:04,955 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 334 transitions. [2024-11-08 16:53:04,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:53:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 334 transitions. [2024-11-08 16:53:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 16:53:04,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:04,957 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 16:53:04,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:53:04,957 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:04,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:04,958 INFO L85 PathProgramCache]: Analyzing trace with hash -237734748, now seen corresponding path program 1 times [2024-11-08 16:53:04,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:04,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181362364] [2024-11-08 16:53:04,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:04,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:05,093 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 16:53:05,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:05,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181362364] [2024-11-08 16:53:05,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181362364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:05,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:05,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:53:05,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026835375] [2024-11-08 16:53:05,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:05,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:53:05,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:05,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:53:05,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:53:05,099 INFO L87 Difference]: Start difference. First operand 242 states and 334 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 16:53:05,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:05,184 INFO L93 Difference]: Finished difference Result 824 states and 1211 transitions. [2024-11-08 16:53:05,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:53:05,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 16:53:05,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:05,187 INFO L225 Difference]: With dead ends: 824 [2024-11-08 16:53:05,187 INFO L226 Difference]: Without dead ends: 658 [2024-11-08 16:53:05,189 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 16:53:05,189 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 291 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:05,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 438 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:53:05,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-08 16:53:05,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 406. [2024-11-08 16:53:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.4370370370370371) internal successors, (582), 405 states have internal predecessors, (582), 0 states have call successors, (0), 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 16:53:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 582 transitions. [2024-11-08 16:53:05,206 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 582 transitions. Word has length 73 [2024-11-08 16:53:05,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:05,206 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 582 transitions. [2024-11-08 16:53:05,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 16:53:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 582 transitions. [2024-11-08 16:53:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 16:53:05,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:05,208 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 16:53:05,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:53:05,208 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:05,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:05,209 INFO L85 PathProgramCache]: Analyzing trace with hash -871401261, now seen corresponding path program 1 times [2024-11-08 16:53:05,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:05,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136280500] [2024-11-08 16:53:05,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:05,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:05,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:05,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136280500] [2024-11-08 16:53:05,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136280500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:05,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:05,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:05,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126111685] [2024-11-08 16:53:05,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:05,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:05,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:05,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:05,305 INFO L87 Difference]: Start difference. First operand 406 states and 582 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 16:53:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:05,340 INFO L93 Difference]: Finished difference Result 738 states and 1082 transitions. [2024-11-08 16:53:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:05,341 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 16:53:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:05,343 INFO L225 Difference]: With dead ends: 738 [2024-11-08 16:53:05,343 INFO L226 Difference]: Without dead ends: 408 [2024-11-08 16:53:05,343 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 16:53:05,344 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 52 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:05,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 201 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:05,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-08 16:53:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2024-11-08 16:53:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.4271604938271605) internal successors, (578), 405 states have internal predecessors, (578), 0 states have call successors, (0), 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 16:53:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 578 transitions. [2024-11-08 16:53:05,356 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 578 transitions. Word has length 73 [2024-11-08 16:53:05,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:05,357 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 578 transitions. [2024-11-08 16:53:05,357 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 16:53:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 578 transitions. [2024-11-08 16:53:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 16:53:05,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:05,358 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, 1] [2024-11-08 16:53:05,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:53:05,359 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:05,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:05,360 INFO L85 PathProgramCache]: Analyzing trace with hash -937894773, now seen corresponding path program 1 times [2024-11-08 16:53:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303413461] [2024-11-08 16:53:05,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:05,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:05,428 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 16:53:05,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:05,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303413461] [2024-11-08 16:53:05,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303413461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:05,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:05,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:05,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984437849] [2024-11-08 16:53:05,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:05,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:05,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:05,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:05,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:05,431 INFO L87 Difference]: Start difference. First operand 406 states and 578 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 16:53:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:05,472 INFO L93 Difference]: Finished difference Result 1014 states and 1480 transitions. [2024-11-08 16:53:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:05,473 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 16:53:05,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:05,475 INFO L225 Difference]: With dead ends: 1014 [2024-11-08 16:53:05,476 INFO L226 Difference]: Without dead ends: 684 [2024-11-08 16:53:05,476 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 16:53:05,477 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 67 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:05,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 197 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-08 16:53:05,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 674. [2024-11-08 16:53:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 673 states have (on average 1.4205052005943537) internal successors, (956), 673 states have internal predecessors, (956), 0 states have call successors, (0), 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 16:53:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 956 transitions. [2024-11-08 16:53:05,496 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 956 transitions. Word has length 73 [2024-11-08 16:53:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:05,496 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 956 transitions. [2024-11-08 16:53:05,496 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 16:53:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 956 transitions. [2024-11-08 16:53:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 16:53:05,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:05,498 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 16:53:05,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:53:05,499 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:05,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:05,499 INFO L85 PathProgramCache]: Analyzing trace with hash -852412764, now seen corresponding path program 1 times [2024-11-08 16:53:05,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:05,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935065831] [2024-11-08 16:53:05,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:05,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:05,626 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 16:53:05,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:05,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935065831] [2024-11-08 16:53:05,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935065831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:05,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:05,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:53:05,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312927838] [2024-11-08 16:53:05,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:05,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:53:05,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:05,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:53:05,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:53:05,629 INFO L87 Difference]: Start difference. First operand 674 states and 956 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 16:53:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:05,717 INFO L93 Difference]: Finished difference Result 1726 states and 2490 transitions. [2024-11-08 16:53:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:53:05,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 16:53:05,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:05,723 INFO L225 Difference]: With dead ends: 1726 [2024-11-08 16:53:05,723 INFO L226 Difference]: Without dead ends: 1426 [2024-11-08 16:53:05,724 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 16:53:05,724 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 294 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:05,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 438 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:53:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-08 16:53:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1122. [2024-11-08 16:53:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1121 states have (on average 1.4326494201605708) internal successors, (1606), 1121 states have internal predecessors, (1606), 0 states have call successors, (0), 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 16:53:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1606 transitions. [2024-11-08 16:53:05,755 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1606 transitions. Word has length 73 [2024-11-08 16:53:05,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:05,755 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1606 transitions. [2024-11-08 16:53:05,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 16:53:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1606 transitions. [2024-11-08 16:53:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 16:53:05,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:05,757 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] [2024-11-08 16:53:05,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:53:05,758 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:05,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1459706699, now seen corresponding path program 1 times [2024-11-08 16:53:05,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:05,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607313970] [2024-11-08 16:53:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:05,823 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 16:53:05,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:05,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607313970] [2024-11-08 16:53:05,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607313970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:05,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085401116] [2024-11-08 16:53:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:05,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:05,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:05,825 INFO L87 Difference]: Start difference. First operand 1122 states and 1606 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:53:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:05,875 INFO L93 Difference]: Finished difference Result 2526 states and 3651 transitions. [2024-11-08 16:53:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-08 16:53:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:05,881 INFO L225 Difference]: With dead ends: 2526 [2024-11-08 16:53:05,881 INFO L226 Difference]: Without dead ends: 1480 [2024-11-08 16:53:05,882 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 16:53:05,883 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:05,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 281 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2024-11-08 16:53:05,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1462. [2024-11-08 16:53:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1461 states have (on average 1.4243668720054756) internal successors, (2081), 1461 states have internal predecessors, (2081), 0 states have call successors, (0), 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 16:53:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2081 transitions. [2024-11-08 16:53:05,921 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2081 transitions. Word has length 74 [2024-11-08 16:53:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:05,921 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 2081 transitions. [2024-11-08 16:53:05,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:53:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2081 transitions. [2024-11-08 16:53:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 16:53:05,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:05,923 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] [2024-11-08 16:53:05,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:53:05,924 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:05,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:05,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1468955342, now seen corresponding path program 1 times [2024-11-08 16:53:05,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:05,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926969789] [2024-11-08 16:53:05,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:05,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:06,075 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 16:53:06,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:06,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926969789] [2024-11-08 16:53:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926969789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:06,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:06,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:53:06,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419656510] [2024-11-08 16:53:06,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:06,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:53:06,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:06,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:53:06,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:53:06,078 INFO L87 Difference]: Start difference. First operand 1462 states and 2081 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:53:06,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:06,170 INFO L93 Difference]: Finished difference Result 2676 states and 3839 transitions. [2024-11-08 16:53:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:53:06,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-08 16:53:06,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:06,178 INFO L225 Difference]: With dead ends: 2676 [2024-11-08 16:53:06,178 INFO L226 Difference]: Without dead ends: 2266 [2024-11-08 16:53:06,180 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 16:53:06,181 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 289 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:06,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 465 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:53:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2024-11-08 16:53:06,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1852. [2024-11-08 16:53:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1852 states, 1851 states have (on average 1.4278768233387358) internal successors, (2643), 1851 states have internal predecessors, (2643), 0 states have call successors, (0), 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 16:53:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2643 transitions. [2024-11-08 16:53:06,229 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2643 transitions. Word has length 74 [2024-11-08 16:53:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:06,229 INFO L471 AbstractCegarLoop]: Abstraction has 1852 states and 2643 transitions. [2024-11-08 16:53:06,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:53:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2643 transitions. [2024-11-08 16:53:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 16:53:06,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:06,231 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] [2024-11-08 16:53:06,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:53:06,232 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:06,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:06,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1631844587, now seen corresponding path program 1 times [2024-11-08 16:53:06,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:06,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339911800] [2024-11-08 16:53:06,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:06,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:06,359 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 16:53:06,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:06,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339911800] [2024-11-08 16:53:06,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339911800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:06,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:06,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524302822] [2024-11-08 16:53:06,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:06,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:06,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:06,361 INFO L87 Difference]: Start difference. First operand 1852 states and 2643 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:53:06,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:06,414 INFO L93 Difference]: Finished difference Result 5188 states and 7385 transitions. [2024-11-08 16:53:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:06,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-08 16:53:06,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:06,427 INFO L225 Difference]: With dead ends: 5188 [2024-11-08 16:53:06,427 INFO L226 Difference]: Without dead ends: 3412 [2024-11-08 16:53:06,430 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 16:53:06,430 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 55 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:06,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 258 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2024-11-08 16:53:06,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3194. [2024-11-08 16:53:06,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3193 states have (on average 1.4093329157532102) internal successors, (4500), 3193 states have internal predecessors, (4500), 0 states have call successors, (0), 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 16:53:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4500 transitions. [2024-11-08 16:53:06,513 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4500 transitions. Word has length 74 [2024-11-08 16:53:06,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:06,513 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 4500 transitions. [2024-11-08 16:53:06,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:53:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4500 transitions. [2024-11-08 16:53:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 16:53:06,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:06,515 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] [2024-11-08 16:53:06,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:53:06,516 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:06,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash -536068422, now seen corresponding path program 1 times [2024-11-08 16:53:06,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:06,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335366856] [2024-11-08 16:53:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:06,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:06,638 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 16:53:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335366856] [2024-11-08 16:53:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335366856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:06,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:06,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216482327] [2024-11-08 16:53:06,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:06,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:06,642 INFO L87 Difference]: Start difference. First operand 3194 states and 4500 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:53:06,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:06,743 INFO L93 Difference]: Finished difference Result 8998 states and 12578 transitions. [2024-11-08 16:53:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:06,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-08 16:53:06,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:06,762 INFO L225 Difference]: With dead ends: 8998 [2024-11-08 16:53:06,762 INFO L226 Difference]: Without dead ends: 5880 [2024-11-08 16:53:06,766 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 16:53:06,767 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 45 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:06,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 257 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5880 states. [2024-11-08 16:53:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5880 to 5446. [2024-11-08 16:53:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5446 states, 5445 states have (on average 1.3796143250688706) internal successors, (7512), 5445 states have internal predecessors, (7512), 0 states have call successors, (0), 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 16:53:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7512 transitions. [2024-11-08 16:53:06,971 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7512 transitions. Word has length 75 [2024-11-08 16:53:06,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:06,972 INFO L471 AbstractCegarLoop]: Abstraction has 5446 states and 7512 transitions. [2024-11-08 16:53:06,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:53:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7512 transitions. [2024-11-08 16:53:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 16:53:06,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:06,974 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] [2024-11-08 16:53:06,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:53:06,974 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:06,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:06,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1852091383, now seen corresponding path program 1 times [2024-11-08 16:53:06,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:06,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29953794] [2024-11-08 16:53:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:06,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:07,271 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 16:53:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29953794] [2024-11-08 16:53:07,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29953794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:07,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:07,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:53:07,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466188246] [2024-11-08 16:53:07,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:07,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:53:07,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:53:07,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:53:07,274 INFO L87 Difference]: Start difference. First operand 5446 states and 7512 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 16:53:07,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:07,335 INFO L93 Difference]: Finished difference Result 5544 states and 7641 transitions. [2024-11-08 16:53:07,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:53:07,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-08 16:53:07,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:07,362 INFO L225 Difference]: With dead ends: 5544 [2024-11-08 16:53:07,363 INFO L226 Difference]: Without dead ends: 5542 [2024-11-08 16:53:07,365 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 16:53:07,404 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:07,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 599 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5542 states. [2024-11-08 16:53:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5542 to 5542. [2024-11-08 16:53:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 5541 states have (on average 1.3658184443241292) internal successors, (7568), 5541 states have internal predecessors, (7568), 0 states have call successors, (0), 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 16:53:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 7568 transitions. [2024-11-08 16:53:07,571 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 7568 transitions. Word has length 76 [2024-11-08 16:53:07,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:07,572 INFO L471 AbstractCegarLoop]: Abstraction has 5542 states and 7568 transitions. [2024-11-08 16:53:07,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 16:53:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 7568 transitions. [2024-11-08 16:53:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:53:07,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:07,574 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 16:53:07,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:53:07,575 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:07,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:07,575 INFO L85 PathProgramCache]: Analyzing trace with hash -966335138, now seen corresponding path program 1 times [2024-11-08 16:53:07,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895580191] [2024-11-08 16:53:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:07,719 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 16:53:07,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:07,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895580191] [2024-11-08 16:53:07,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895580191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:07,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:07,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:07,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851877080] [2024-11-08 16:53:07,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:07,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:07,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:07,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:07,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:07,722 INFO L87 Difference]: Start difference. First operand 5542 states and 7568 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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 16:53:07,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:07,802 INFO L93 Difference]: Finished difference Result 12850 states and 17506 transitions. [2024-11-08 16:53:07,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:07,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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 16:53:07,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:07,820 INFO L225 Difference]: With dead ends: 12850 [2024-11-08 16:53:07,820 INFO L226 Difference]: Without dead ends: 7384 [2024-11-08 16:53:07,827 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 16:53:07,828 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 59 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:07,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 259 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:07,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7384 states. [2024-11-08 16:53:07,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7384 to 6774. [2024-11-08 16:53:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6774 states, 6773 states have (on average 1.3335301934150303) internal successors, (9032), 6773 states have internal predecessors, (9032), 0 states have call successors, (0), 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 16:53:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6774 states to 6774 states and 9032 transitions. [2024-11-08 16:53:07,979 INFO L78 Accepts]: Start accepts. Automaton has 6774 states and 9032 transitions. Word has length 77 [2024-11-08 16:53:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:07,979 INFO L471 AbstractCegarLoop]: Abstraction has 6774 states and 9032 transitions. [2024-11-08 16:53:07,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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 16:53:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 6774 states and 9032 transitions. [2024-11-08 16:53:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:53:07,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:07,983 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-08 16:53:07,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:53:07,984 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:07,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:07,984 INFO L85 PathProgramCache]: Analyzing trace with hash 914913403, now seen corresponding path program 1 times [2024-11-08 16:53:07,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:07,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280475422] [2024-11-08 16:53:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:07,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:08,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:08,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280475422] [2024-11-08 16:53:08,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280475422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:53:08,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822676334] [2024-11-08 16:53:08,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:08,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:08,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:53:08,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:53:08,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:53:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:08,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 16:53:08,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:53:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:09,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:53:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:12,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822676334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:53:12,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:53:12,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-08 16:53:12,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585344585] [2024-11-08 16:53:12,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:53:12,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 16:53:12,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:12,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 16:53:12,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:53:12,057 INFO L87 Difference]: Start difference. First operand 6774 states and 9032 transitions. Second operand has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 0 states have call successors, (0), 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 16:53:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:19,193 INFO L93 Difference]: Finished difference Result 64543 states and 85424 transitions. [2024-11-08 16:53:19,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-08 16:53:19,194 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 0 states have call successors, (0), 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 16:53:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:19,327 INFO L225 Difference]: With dead ends: 64543 [2024-11-08 16:53:19,327 INFO L226 Difference]: Without dead ends: 57845 [2024-11-08 16:53:19,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7068 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=3017, Invalid=18153, Unknown=0, NotChecked=0, Total=21170 [2024-11-08 16:53:19,356 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 2579 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:19,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 1847 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 16:53:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57845 states. [2024-11-08 16:53:20,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57845 to 25464. [2024-11-08 16:53:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25464 states, 25463 states have (on average 1.3217609865294742) internal successors, (33656), 25463 states have internal predecessors, (33656), 0 states have call successors, (0), 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 16:53:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25464 states to 25464 states and 33656 transitions. [2024-11-08 16:53:20,220 INFO L78 Accepts]: Start accepts. Automaton has 25464 states and 33656 transitions. Word has length 98 [2024-11-08 16:53:20,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:20,220 INFO L471 AbstractCegarLoop]: Abstraction has 25464 states and 33656 transitions. [2024-11-08 16:53:20,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 0 states have call successors, (0), 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 16:53:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 25464 states and 33656 transitions. [2024-11-08 16:53:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:53:20,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:20,226 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2024-11-08 16:53:20,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:53:20,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:20,428 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:20,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:20,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1809238733, now seen corresponding path program 1 times [2024-11-08 16:53:20,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:20,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914629883] [2024-11-08 16:53:20,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:20,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914629883] [2024-11-08 16:53:20,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914629883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:20,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:20,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003735686] [2024-11-08 16:53:20,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:20,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:20,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:20,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:20,558 INFO L87 Difference]: Start difference. First operand 25464 states and 33656 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 16:53:20,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:20,993 INFO L93 Difference]: Finished difference Result 50087 states and 66235 transitions. [2024-11-08 16:53:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:20,994 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 16:53:20,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:21,048 INFO L225 Difference]: With dead ends: 50087 [2024-11-08 16:53:21,048 INFO L226 Difference]: Without dead ends: 24706 [2024-11-08 16:53:21,075 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 16:53:21,076 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 55 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:21,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 239 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:53:21,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24706 states. [2024-11-08 16:53:21,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24706 to 24529. [2024-11-08 16:53:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24529 states, 24528 states have (on average 1.2961921069797782) internal successors, (31793), 24528 states have internal predecessors, (31793), 0 states have call successors, (0), 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 16:53:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24529 states to 24529 states and 31793 transitions. [2024-11-08 16:53:21,696 INFO L78 Accepts]: Start accepts. Automaton has 24529 states and 31793 transitions. Word has length 98 [2024-11-08 16:53:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:21,696 INFO L471 AbstractCegarLoop]: Abstraction has 24529 states and 31793 transitions. [2024-11-08 16:53:21,697 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 16:53:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24529 states and 31793 transitions. [2024-11-08 16:53:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:53:21,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:21,701 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] [2024-11-08 16:53:21,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:53:21,702 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:21,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1600083782, now seen corresponding path program 1 times [2024-11-08 16:53:21,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:21,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005422353] [2024-11-08 16:53:21,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:22,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005422353] [2024-11-08 16:53:22,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005422353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:53:22,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826460196] [2024-11-08 16:53:22,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:22,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:22,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:53:22,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:53:22,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:53:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:22,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 16:53:22,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:53:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:23,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:53:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:24,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826460196] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:53:24,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:53:24,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2024-11-08 16:53:24,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162243167] [2024-11-08 16:53:24,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:53:24,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 16:53:24,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:24,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 16:53:24,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:53:24,978 INFO L87 Difference]: Start difference. First operand 24529 states and 31793 transitions. Second operand has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 0 states have call successors, (0), 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 16:53:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:40,642 INFO L93 Difference]: Finished difference Result 120105 states and 154351 transitions. [2024-11-08 16:53:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-08 16:53:40,643 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 0 states have call successors, (0), 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 99 [2024-11-08 16:53:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:40,818 INFO L225 Difference]: With dead ends: 120105 [2024-11-08 16:53:40,818 INFO L226 Difference]: Without dead ends: 95659 [2024-11-08 16:53:40,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19498 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=7084, Invalid=41978, Unknown=0, NotChecked=0, Total=49062 [2024-11-08 16:53:40,855 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 5412 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:40,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 1708 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 16:53:40,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95659 states. [2024-11-08 16:53:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95659 to 57162. [2024-11-08 16:53:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57162 states, 57161 states have (on average 1.2910550900089222) internal successors, (73798), 57161 states have internal predecessors, (73798), 0 states have call successors, (0), 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 16:53:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57162 states to 57162 states and 73798 transitions. [2024-11-08 16:53:42,354 INFO L78 Accepts]: Start accepts. Automaton has 57162 states and 73798 transitions. Word has length 99 [2024-11-08 16:53:42,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:42,355 INFO L471 AbstractCegarLoop]: Abstraction has 57162 states and 73798 transitions. [2024-11-08 16:53:42,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 0 states have call successors, (0), 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 16:53:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 57162 states and 73798 transitions. [2024-11-08 16:53:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 16:53:42,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:42,367 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 16:53:42,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:53:42,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:42,568 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:42,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:42,572 INFO L85 PathProgramCache]: Analyzing trace with hash 44373165, now seen corresponding path program 1 times [2024-11-08 16:53:42,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:42,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329755806] [2024-11-08 16:53:42,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:42,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 16:53:42,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:42,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329755806] [2024-11-08 16:53:42,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329755806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:42,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:42,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:42,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792352005] [2024-11-08 16:53:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:42,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:42,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:42,759 INFO L87 Difference]: Start difference. First operand 57162 states and 73798 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 16:53:43,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:43,071 INFO L93 Difference]: Finished difference Result 99412 states and 128778 transitions. [2024-11-08 16:53:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:43,072 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 16:53:43,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:43,138 INFO L225 Difference]: With dead ends: 99412 [2024-11-08 16:53:43,138 INFO L226 Difference]: Without dead ends: 42366 [2024-11-08 16:53:43,170 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 16:53:43,171 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 83 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:43,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 103 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:53:43,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42366 states. [2024-11-08 16:53:44,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42366 to 42066. [2024-11-08 16:53:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42066 states, 42065 states have (on average 1.2826577915131345) internal successors, (53955), 42065 states have internal predecessors, (53955), 0 states have call successors, (0), 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 16:53:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42066 states to 42066 states and 53955 transitions. [2024-11-08 16:53:44,291 INFO L78 Accepts]: Start accepts. Automaton has 42066 states and 53955 transitions. Word has length 100 [2024-11-08 16:53:44,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:44,291 INFO L471 AbstractCegarLoop]: Abstraction has 42066 states and 53955 transitions. [2024-11-08 16:53:44,292 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 16:53:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 42066 states and 53955 transitions. [2024-11-08 16:53:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 16:53:44,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:44,299 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 16:53:44,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:53:44,299 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:44,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:44,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1119659590, now seen corresponding path program 1 times [2024-11-08 16:53:44,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:44,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300405709] [2024-11-08 16:53:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:44,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:53:45,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:45,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300405709] [2024-11-08 16:53:45,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300405709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:45,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:45,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:53:45,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272711152] [2024-11-08 16:53:45,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:45,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:53:45,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:45,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:53:45,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:53:45,045 INFO L87 Difference]: Start difference. First operand 42066 states and 53955 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 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 16:53:46,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:46,446 INFO L93 Difference]: Finished difference Result 108845 states and 138734 transitions. [2024-11-08 16:53:46,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:53:46,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 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 16:53:46,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:46,531 INFO L225 Difference]: With dead ends: 108845 [2024-11-08 16:53:46,532 INFO L226 Difference]: Without dead ends: 66883 [2024-11-08 16:53:46,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:53:46,573 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 1416 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:46,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 449 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:53:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66883 states. [2024-11-08 16:53:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66883 to 42066. [2024-11-08 16:53:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42066 states, 42065 states have (on average 1.2826102460477833) internal successors, (53953), 42065 states have internal predecessors, (53953), 0 states have call successors, (0), 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 16:53:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42066 states to 42066 states and 53953 transitions. [2024-11-08 16:53:47,384 INFO L78 Accepts]: Start accepts. Automaton has 42066 states and 53953 transitions. Word has length 100 [2024-11-08 16:53:47,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:47,385 INFO L471 AbstractCegarLoop]: Abstraction has 42066 states and 53953 transitions. [2024-11-08 16:53:47,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 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 16:53:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 42066 states and 53953 transitions. [2024-11-08 16:53:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 16:53:47,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:47,391 INFO L215 NwaCegarLoop]: trace histogram [2, 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 16:53:47,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 16:53:47,392 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:47,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash -679937044, now seen corresponding path program 1 times [2024-11-08 16:53:47,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:47,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124475309] [2024-11-08 16:53:47,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:47,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:47,489 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:53:47,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:47,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124475309] [2024-11-08 16:53:47,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124475309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:47,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:47,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:53:47,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361197189] [2024-11-08 16:53:47,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:47,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:53:47,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:47,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:53:47,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:53:47,492 INFO L87 Difference]: Start difference. First operand 42066 states and 53953 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 16:53:48,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:48,126 INFO L93 Difference]: Finished difference Result 101464 states and 129719 transitions. [2024-11-08 16:53:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:53:48,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 16:53:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:48,242 INFO L225 Difference]: With dead ends: 101464 [2024-11-08 16:53:48,242 INFO L226 Difference]: Without dead ends: 59514 [2024-11-08 16:53:48,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:53:48,289 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 80 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:48,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 222 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:53:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59514 states. [2024-11-08 16:53:49,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59514 to 41820. [2024-11-08 16:53:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41820 states, 41819 states have (on average 1.2783902054090246) internal successors, (53461), 41819 states have internal predecessors, (53461), 0 states have call successors, (0), 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 16:53:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41820 states to 41820 states and 53461 transitions. [2024-11-08 16:53:49,211 INFO L78 Accepts]: Start accepts. Automaton has 41820 states and 53461 transitions. Word has length 100 [2024-11-08 16:53:49,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:49,211 INFO L471 AbstractCegarLoop]: Abstraction has 41820 states and 53461 transitions. [2024-11-08 16:53:49,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 16:53:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 41820 states and 53461 transitions. [2024-11-08 16:53:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 16:53:49,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:49,217 INFO L215 NwaCegarLoop]: trace histogram [2, 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 16:53:49,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:53:49,218 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:53:49,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:49,219 INFO L85 PathProgramCache]: Analyzing trace with hash 595165645, now seen corresponding path program 1 times [2024-11-08 16:53:49,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:49,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561082082] [2024-11-08 16:53:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:49,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:49,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561082082] [2024-11-08 16:53:49,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561082082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:53:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135635404] [2024-11-08 16:53:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:49,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:49,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:53:49,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:53:49,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:53:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:49,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 16:53:49,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:53:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:51,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:53:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:53:52,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135635404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:53:52,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:53:52,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-11-08 16:53:52,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702592236] [2024-11-08 16:53:52,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:53:52,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 16:53:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:52,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 16:53:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:53:52,398 INFO L87 Difference]: Start difference. First operand 41820 states and 53461 transitions. Second operand has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 0 states have call successors, (0), 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 16:53:58,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:53:58,610 INFO L93 Difference]: Finished difference Result 134135 states and 170392 transitions. [2024-11-08 16:53:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-11-08 16:53:58,611 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 0 states have call successors, (0), 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 16:53:58,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:53:58,719 INFO L225 Difference]: With dead ends: 134135 [2024-11-08 16:53:58,719 INFO L226 Difference]: Without dead ends: 107977 [2024-11-08 16:53:58,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3975 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2034, Invalid=11076, Unknown=0, NotChecked=0, Total=13110 [2024-11-08 16:53:58,746 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 1023 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:53:58,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 2258 Invalid, 3057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:53:58,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107977 states. [2024-11-08 16:53:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107977 to 57431. [2024-11-08 16:53:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57431 states, 57430 states have (on average 1.2791920598990074) internal successors, (73464), 57430 states have internal predecessors, (73464), 0 states have call successors, (0), 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 16:53:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57431 states to 57431 states and 73464 transitions. [2024-11-08 16:53:59,812 INFO L78 Accepts]: Start accepts. Automaton has 57431 states and 73464 transitions. Word has length 100 [2024-11-08 16:53:59,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:53:59,812 INFO L471 AbstractCegarLoop]: Abstraction has 57431 states and 73464 transitions. [2024-11-08 16:53:59,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 0 states have call successors, (0), 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 16:53:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 57431 states and 73464 transitions. [2024-11-08 16:53:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:53:59,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:53:59,818 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 16:53:59,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:54:00,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:00,018 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:00,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1968061963, now seen corresponding path program 1 times [2024-11-08 16:54:00,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:00,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911806659] [2024-11-08 16:54:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:00,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:00,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911806659] [2024-11-08 16:54:00,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911806659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:54:00,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119887137] [2024-11-08 16:54:00,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:00,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:00,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:00,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:54:00,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:54:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:01,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 16:54:01,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:54:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:02,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:54:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:03,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119887137] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:54:03,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:54:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-11-08 16:54:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896402530] [2024-11-08 16:54:03,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:54:03,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 16:54:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 16:54:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-11-08 16:54:03,994 INFO L87 Difference]: Start difference. First operand 57431 states and 73464 transitions. Second operand has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 25 states have internal predecessors, (227), 0 states have call successors, (0), 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 16:54:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:54:05,267 INFO L93 Difference]: Finished difference Result 106190 states and 135574 transitions. [2024-11-08 16:54:05,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 16:54:05,268 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 25 states have internal predecessors, (227), 0 states have call successors, (0), 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 16:54:05,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:54:05,345 INFO L225 Difference]: With dead ends: 106190 [2024-11-08 16:54:05,345 INFO L226 Difference]: Without dead ends: 79334 [2024-11-08 16:54:05,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=346, Invalid=1294, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 16:54:05,367 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 492 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:54:05,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 1250 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:54:05,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79334 states. [2024-11-08 16:54:06,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79334 to 62298. [2024-11-08 16:54:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62298 states, 62297 states have (on average 1.2783280093744482) internal successors, (79636), 62297 states have internal predecessors, (79636), 0 states have call successors, (0), 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 16:54:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62298 states to 62298 states and 79636 transitions. [2024-11-08 16:54:06,484 INFO L78 Accepts]: Start accepts. Automaton has 62298 states and 79636 transitions. Word has length 101 [2024-11-08 16:54:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:54:06,485 INFO L471 AbstractCegarLoop]: Abstraction has 62298 states and 79636 transitions. [2024-11-08 16:54:06,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 25 states have internal predecessors, (227), 0 states have call successors, (0), 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 16:54:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 62298 states and 79636 transitions. [2024-11-08 16:54:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:54:06,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:54:06,491 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 16:54:06,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 16:54:06,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:06,692 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:06,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1868298, now seen corresponding path program 1 times [2024-11-08 16:54:06,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:06,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206593194] [2024-11-08 16:54:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:06,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:54:06,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:06,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206593194] [2024-11-08 16:54:06,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206593194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:54:06,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:54:06,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:54:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278097385] [2024-11-08 16:54:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:54:06,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:54:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:54:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:54:06,966 INFO L87 Difference]: Start difference. First operand 62298 states and 79636 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 16:54:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:54:07,644 INFO L93 Difference]: Finished difference Result 156231 states and 199638 transitions. [2024-11-08 16:54:07,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:54:07,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 16:54:07,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:54:07,749 INFO L225 Difference]: With dead ends: 156231 [2024-11-08 16:54:07,749 INFO L226 Difference]: Without dead ends: 98886 [2024-11-08 16:54:08,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:54:08,045 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 365 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:54:08,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 465 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:54:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98886 states. [2024-11-08 16:54:08,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98886 to 62290. [2024-11-08 16:54:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62290 states, 62289 states have (on average 1.278331647642441) internal successors, (79626), 62289 states have internal predecessors, (79626), 0 states have call successors, (0), 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 16:54:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62290 states to 62290 states and 79626 transitions. [2024-11-08 16:54:09,065 INFO L78 Accepts]: Start accepts. Automaton has 62290 states and 79626 transitions. Word has length 101 [2024-11-08 16:54:09,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:54:09,066 INFO L471 AbstractCegarLoop]: Abstraction has 62290 states and 79626 transitions. [2024-11-08 16:54:09,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 16:54:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 62290 states and 79626 transitions. [2024-11-08 16:54:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:54:09,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:54:09,070 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] [2024-11-08 16:54:09,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:54:09,070 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:09,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2099092396, now seen corresponding path program 1 times [2024-11-08 16:54:09,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:09,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550278408] [2024-11-08 16:54:09,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:09,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 16:54:09,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:09,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550278408] [2024-11-08 16:54:09,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550278408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:54:09,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:54:09,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:54:09,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366474460] [2024-11-08 16:54:09,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:54:09,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:54:09,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:09,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:54:09,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:54:09,161 INFO L87 Difference]: Start difference. First operand 62290 states and 79626 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 16:54:09,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:54:09,570 INFO L93 Difference]: Finished difference Result 117787 states and 150939 transitions. [2024-11-08 16:54:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:54:09,570 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 102 [2024-11-08 16:54:09,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:54:09,646 INFO L225 Difference]: With dead ends: 117787 [2024-11-08 16:54:09,647 INFO L226 Difference]: Without dead ends: 55648 [2024-11-08 16:54:09,681 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 16:54:09,681 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:54:09,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 135 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:54:09,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55648 states. [2024-11-08 16:54:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55648 to 55648. [2024-11-08 16:54:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55648 states, 55647 states have (on average 1.2701852750372886) internal successors, (70682), 55647 states have internal predecessors, (70682), 0 states have call successors, (0), 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 16:54:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55648 states to 55648 states and 70682 transitions. [2024-11-08 16:54:10,780 INFO L78 Accepts]: Start accepts. Automaton has 55648 states and 70682 transitions. Word has length 102 [2024-11-08 16:54:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:54:10,781 INFO L471 AbstractCegarLoop]: Abstraction has 55648 states and 70682 transitions. [2024-11-08 16:54:10,781 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 16:54:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 55648 states and 70682 transitions. [2024-11-08 16:54:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:54:10,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:54:10,785 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] [2024-11-08 16:54:10,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:54:10,785 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:10,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:10,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1858682910, now seen corresponding path program 1 times [2024-11-08 16:54:10,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:10,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441250980] [2024-11-08 16:54:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:10,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 16:54:10,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441250980] [2024-11-08 16:54:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441250980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:54:10,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:54:10,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:54:10,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180888009] [2024-11-08 16:54:10,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:54:10,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:54:10,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:10,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:54:10,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:54:10,855 INFO L87 Difference]: Start difference. First operand 55648 states and 70682 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 16:54:11,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:54:11,547 INFO L93 Difference]: Finished difference Result 102310 states and 130047 transitions. [2024-11-08 16:54:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:54:11,547 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 102 [2024-11-08 16:54:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:54:11,593 INFO L225 Difference]: With dead ends: 102310 [2024-11-08 16:54:11,593 INFO L226 Difference]: Without dead ends: 46783 [2024-11-08 16:54:11,616 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 16:54:11,616 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 81 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:54:11,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 118 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:54:11,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46783 states. [2024-11-08 16:54:11,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46783 to 46783. [2024-11-08 16:54:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46783 states, 46782 states have (on average 1.2507374631268438) internal successors, (58512), 46782 states have internal predecessors, (58512), 0 states have call successors, (0), 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 16:54:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46783 states to 46783 states and 58512 transitions. [2024-11-08 16:54:12,414 INFO L78 Accepts]: Start accepts. Automaton has 46783 states and 58512 transitions. Word has length 102 [2024-11-08 16:54:12,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:54:12,414 INFO L471 AbstractCegarLoop]: Abstraction has 46783 states and 58512 transitions. [2024-11-08 16:54:12,414 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 16:54:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 46783 states and 58512 transitions. [2024-11-08 16:54:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:54:12,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:54:12,421 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] [2024-11-08 16:54:12,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 16:54:12,422 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:12,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:12,426 INFO L85 PathProgramCache]: Analyzing trace with hash -783672287, now seen corresponding path program 1 times [2024-11-08 16:54:12,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:12,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788127535] [2024-11-08 16:54:12,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:12,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:14,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:14,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788127535] [2024-11-08 16:54:14,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788127535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:54:14,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319171770] [2024-11-08 16:54:14,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:14,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:14,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:14,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:54:14,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:54:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:15,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 16:54:15,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:54:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:20,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:54:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:24,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319171770] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:54:24,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:54:24,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21, 20] total 62 [2024-11-08 16:54:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428486718] [2024-11-08 16:54:24,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:54:24,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-08 16:54:24,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:24,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-08 16:54:24,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=3510, Unknown=0, NotChecked=0, Total=3782 [2024-11-08 16:54:24,110 INFO L87 Difference]: Start difference. First operand 46783 states and 58512 transitions. Second operand has 62 states, 62 states have (on average 4.467741935483871) internal successors, (277), 62 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 16:54:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:54:44,203 INFO L93 Difference]: Finished difference Result 147648 states and 184558 transitions. [2024-11-08 16:54:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-08 16:54:44,204 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 4.467741935483871) internal successors, (277), 62 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 102 [2024-11-08 16:54:44,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:54:44,310 INFO L225 Difference]: With dead ends: 147648 [2024-11-08 16:54:44,311 INFO L226 Difference]: Without dead ends: 100986 [2024-11-08 16:54:44,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3108 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=2137, Invalid=14375, Unknown=0, NotChecked=0, Total=16512 [2024-11-08 16:54:44,331 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 2576 mSDsluCounter, 5645 mSDsCounter, 0 mSdLazyCounter, 4025 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:54:44,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 5777 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 4025 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-08 16:54:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100986 states. [2024-11-08 16:54:45,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100986 to 61522. [2024-11-08 16:54:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61522 states, 61521 states have (on average 1.2508574307959883) internal successors, (76954), 61521 states have internal predecessors, (76954), 0 states have call successors, (0), 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 16:54:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61522 states to 61522 states and 76954 transitions. [2024-11-08 16:54:45,669 INFO L78 Accepts]: Start accepts. Automaton has 61522 states and 76954 transitions. Word has length 102 [2024-11-08 16:54:45,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:54:45,669 INFO L471 AbstractCegarLoop]: Abstraction has 61522 states and 76954 transitions. [2024-11-08 16:54:45,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.467741935483871) internal successors, (277), 62 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 16:54:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 61522 states and 76954 transitions. [2024-11-08 16:54:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:54:45,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:54:45,672 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] [2024-11-08 16:54:45,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 16:54:45,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-08 16:54:45,873 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:45,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2078637285, now seen corresponding path program 1 times [2024-11-08 16:54:45,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:45,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144114751] [2024-11-08 16:54:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:54:46,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:46,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144114751] [2024-11-08 16:54:46,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144114751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:54:46,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:54:46,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 16:54:46,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801130387] [2024-11-08 16:54:46,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:54:46,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:54:46,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:46,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:54:46,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:54:46,670 INFO L87 Difference]: Start difference. First operand 61522 states and 76954 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 0 states have call successors, (0), 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 16:54:47,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:54:47,618 INFO L93 Difference]: Finished difference Result 87620 states and 109739 transitions. [2024-11-08 16:54:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 16:54:47,618 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 0 states have call successors, (0), 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 102 [2024-11-08 16:54:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:54:47,672 INFO L225 Difference]: With dead ends: 87620 [2024-11-08 16:54:47,672 INFO L226 Difference]: Without dead ends: 56157 [2024-11-08 16:54:47,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:54:47,692 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 198 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:54:47,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 970 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:54:47,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56157 states. [2024-11-08 16:54:48,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56157 to 56157. [2024-11-08 16:54:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56157 states, 56156 states have (on average 1.2513355652111975) internal successors, (70270), 56156 states have internal predecessors, (70270), 0 states have call successors, (0), 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 16:54:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56157 states to 56157 states and 70270 transitions. [2024-11-08 16:54:48,651 INFO L78 Accepts]: Start accepts. Automaton has 56157 states and 70270 transitions. Word has length 102 [2024-11-08 16:54:48,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:54:48,652 INFO L471 AbstractCegarLoop]: Abstraction has 56157 states and 70270 transitions. [2024-11-08 16:54:48,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 0 states have call successors, (0), 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 16:54:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 56157 states and 70270 transitions. [2024-11-08 16:54:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:54:48,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:54:48,655 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] [2024-11-08 16:54:48,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:54:48,655 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:54:48,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash -843570899, now seen corresponding path program 1 times [2024-11-08 16:54:48,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:48,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120658865] [2024-11-08 16:54:48,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:48,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:50,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:50,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120658865] [2024-11-08 16:54:50,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120658865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:54:50,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797891710] [2024-11-08 16:54:50,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:50,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:50,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:50,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:54:50,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:54:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:50,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:54:50,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:54:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:51,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:54:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:54:53,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797891710] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:54:53,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:54:53,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 11] total 42 [2024-11-08 16:54:53,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197969305] [2024-11-08 16:54:53,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:54:53,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-08 16:54:53,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:53,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-08 16:54:53,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2024-11-08 16:54:53,396 INFO L87 Difference]: Start difference. First operand 56157 states and 70270 transitions. Second operand has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 0 states have call successors, (0), 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 16:55:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:55:30,809 INFO L93 Difference]: Finished difference Result 178794 states and 222868 transitions. [2024-11-08 16:55:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-11-08 16:55:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 0 states have call successors, (0), 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 102 [2024-11-08 16:55:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:55:30,952 INFO L225 Difference]: With dead ends: 178794 [2024-11-08 16:55:30,952 INFO L226 Difference]: Without dead ends: 128866 [2024-11-08 16:55:30,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29422 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=6245, Invalid=71317, Unknown=0, NotChecked=0, Total=77562 [2024-11-08 16:55:30,992 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 2664 mSDsluCounter, 8521 mSDsCounter, 0 mSdLazyCounter, 12941 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 8820 SdHoareTripleChecker+Invalid, 13043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 12941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:55:30,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 8820 Invalid, 13043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [102 Valid, 12941 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-08 16:55:31,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128866 states. [2024-11-08 16:55:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128866 to 73450. [2024-11-08 16:55:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73450 states, 73449 states have (on average 1.251344470312734) internal successors, (91910), 73449 states have internal predecessors, (91910), 0 states have call successors, (0), 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 16:55:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73450 states to 73450 states and 91910 transitions. [2024-11-08 16:55:32,235 INFO L78 Accepts]: Start accepts. Automaton has 73450 states and 91910 transitions. Word has length 102 [2024-11-08 16:55:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:55:32,235 INFO L471 AbstractCegarLoop]: Abstraction has 73450 states and 91910 transitions. [2024-11-08 16:55:32,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 0 states have call successors, (0), 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 16:55:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 73450 states and 91910 transitions. [2024-11-08 16:55:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 16:55:32,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:55:32,238 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] [2024-11-08 16:55:32,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 16:55:32,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:55:32,439 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:55:32,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:32,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1830146357, now seen corresponding path program 1 times [2024-11-08 16:55:32,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:32,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671030525] [2024-11-08 16:55:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:33,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:33,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671030525] [2024-11-08 16:55:33,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671030525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:55:33,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954733649] [2024-11-08 16:55:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:33,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:55:33,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:55:33,789 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:55:33,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:55:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:34,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 16:55:34,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:55:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:34,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:55:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:35,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954733649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:55:35,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:55:35,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 34 [2024-11-08 16:55:35,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941959686] [2024-11-08 16:55:35,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:55:35,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 16:55:35,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:35,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 16:55:35,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:55:35,914 INFO L87 Difference]: Start difference. First operand 73450 states and 91910 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 0 states have call successors, (0), 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 16:55:41,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:55:41,003 INFO L93 Difference]: Finished difference Result 174880 states and 218108 transitions. [2024-11-08 16:55:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-08 16:55:41,004 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 0 states have call successors, (0), 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 16:55:41,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:55:41,149 INFO L225 Difference]: With dead ends: 174880 [2024-11-08 16:55:41,149 INFO L226 Difference]: Without dead ends: 126458 [2024-11-08 16:55:41,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3009 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1407, Invalid=9935, Unknown=0, NotChecked=0, Total=11342 [2024-11-08 16:55:41,189 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1368 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:55:41,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 4585 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:55:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126458 states. [2024-11-08 16:55:42,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126458 to 102048. [2024-11-08 16:55:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102048 states, 102047 states have (on average 1.2488853175497565) internal successors, (127445), 102047 states have internal predecessors, (127445), 0 states have call successors, (0), 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 16:55:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102048 states to 102048 states and 127445 transitions. [2024-11-08 16:55:42,864 INFO L78 Accepts]: Start accepts. Automaton has 102048 states and 127445 transitions. Word has length 103 [2024-11-08 16:55:42,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:55:42,865 INFO L471 AbstractCegarLoop]: Abstraction has 102048 states and 127445 transitions. [2024-11-08 16:55:42,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 0 states have call successors, (0), 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 16:55:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 102048 states and 127445 transitions. [2024-11-08 16:55:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 16:55:42,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:55:42,867 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-08 16:55:42,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 16:55:43,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-08 16:55:43,068 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:55:43,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:43,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1970892402, now seen corresponding path program 1 times [2024-11-08 16:55:43,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:43,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514852799] [2024-11-08 16:55:43,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:43,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:43,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:43,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514852799] [2024-11-08 16:55:43,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514852799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:55:43,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172561308] [2024-11-08 16:55:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:43,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:55:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:55:43,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:55:43,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 16:55:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:44,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 16:55:44,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:55:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 16:55:44,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:55:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 16:55:44,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172561308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:55:44,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:55:44,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 23 [2024-11-08 16:55:44,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794367473] [2024-11-08 16:55:44,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:55:44,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 16:55:44,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:44,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 16:55:44,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:55:44,921 INFO L87 Difference]: Start difference. First operand 102048 states and 127445 transitions. Second operand has 23 states, 23 states have (on average 12.782608695652174) internal successors, (294), 23 states have internal predecessors, (294), 0 states have call successors, (0), 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 16:55:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:55:47,719 INFO L93 Difference]: Finished difference Result 233148 states and 289745 transitions. [2024-11-08 16:55:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-08 16:55:47,719 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.782608695652174) internal successors, (294), 23 states have internal predecessors, (294), 0 states have call successors, (0), 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 16:55:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:55:48,330 INFO L225 Difference]: With dead ends: 233148 [2024-11-08 16:55:48,330 INFO L226 Difference]: Without dead ends: 131452 [2024-11-08 16:55:48,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=610, Invalid=4220, Unknown=0, NotChecked=0, Total=4830 [2024-11-08 16:55:48,358 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 713 mSDsluCounter, 2108 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:55:48,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 2248 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:55:48,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131452 states. [2024-11-08 16:55:49,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131452 to 121017. [2024-11-08 16:55:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121017 states, 121016 states have (on average 1.2444139617901766) internal successors, (150594), 121016 states have internal predecessors, (150594), 0 states have call successors, (0), 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 16:55:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121017 states to 121017 states and 150594 transitions. [2024-11-08 16:55:49,943 INFO L78 Accepts]: Start accepts. Automaton has 121017 states and 150594 transitions. Word has length 104 [2024-11-08 16:55:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:55:49,944 INFO L471 AbstractCegarLoop]: Abstraction has 121017 states and 150594 transitions. [2024-11-08 16:55:49,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.782608695652174) internal successors, (294), 23 states have internal predecessors, (294), 0 states have call successors, (0), 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 16:55:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 121017 states and 150594 transitions. [2024-11-08 16:55:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 16:55:49,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:55:49,946 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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 16:55:49,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 16:55:50,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:55:50,148 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:55:50,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:55:50,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1675352264, now seen corresponding path program 1 times [2024-11-08 16:55:50,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:55:50,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324911583] [2024-11-08 16:55:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:55:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:51,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:55:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324911583] [2024-11-08 16:55:51,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324911583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:55:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546319974] [2024-11-08 16:55:51,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:55:51,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:55:51,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:55:51,732 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:55:51,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 16:55:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:55:51,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 16:55:51,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:55:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:54,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:55:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:55:57,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546319974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:55:57,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:55:57,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2024-11-08 16:55:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129252621] [2024-11-08 16:55:57,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:55:57,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-08 16:55:57,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:55:57,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-08 16:55:57,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2019, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 16:55:57,547 INFO L87 Difference]: Start difference. First operand 121017 states and 150594 transitions. Second operand has 47 states, 47 states have (on average 6.0212765957446805) internal successors, (283), 47 states have internal predecessors, (283), 0 states have call successors, (0), 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 16:56:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:56:11,857 INFO L93 Difference]: Finished difference Result 202773 states and 251659 transitions. [2024-11-08 16:56:11,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-11-08 16:56:11,858 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 6.0212765957446805) internal successors, (283), 47 states have internal predecessors, (283), 0 states have call successors, (0), 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 16:56:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:56:12,054 INFO L225 Difference]: With dead ends: 202773 [2024-11-08 16:56:12,054 INFO L226 Difference]: Without dead ends: 167404 [2024-11-08 16:56:12,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4818 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=2055, Invalid=17685, Unknown=0, NotChecked=0, Total=19740 [2024-11-08 16:56:12,098 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 1824 mSDsluCounter, 9066 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 9377 SdHoareTripleChecker+Invalid, 5224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:56:12,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 9377 Invalid, 5224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-08 16:56:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167404 states. [2024-11-08 16:56:14,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167404 to 124899. [2024-11-08 16:56:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124899 states, 124898 states have (on average 1.2449518807346796) internal successors, (155492), 124898 states have internal predecessors, (155492), 0 states have call successors, (0), 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 16:56:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124899 states to 124899 states and 155492 transitions. [2024-11-08 16:56:14,306 INFO L78 Accepts]: Start accepts. Automaton has 124899 states and 155492 transitions. Word has length 104 [2024-11-08 16:56:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:56:14,306 INFO L471 AbstractCegarLoop]: Abstraction has 124899 states and 155492 transitions. [2024-11-08 16:56:14,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.0212765957446805) internal successors, (283), 47 states have internal predecessors, (283), 0 states have call successors, (0), 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 16:56:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 124899 states and 155492 transitions. [2024-11-08 16:56:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 16:56:14,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:56:14,308 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 16:56:14,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 16:56:14,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:56:14,508 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:56:14,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1572226621, now seen corresponding path program 1 times [2024-11-08 16:56:14,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:14,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387029454] [2024-11-08 16:56:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:56:15,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:15,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387029454] [2024-11-08 16:56:15,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387029454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:56:15,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52373325] [2024-11-08 16:56:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:15,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:56:15,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:56:15,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:56:15,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 16:56:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:15,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 16:56:15,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:56:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:56:17,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:56:18,456 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:56:18,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52373325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:56:18,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:56:18,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 12] total 36 [2024-11-08 16:56:18,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614816760] [2024-11-08 16:56:18,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:56:18,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-08 16:56:18,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:18,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-08 16:56:18,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 16:56:18,458 INFO L87 Difference]: Start difference. First operand 124899 states and 155492 transitions. Second operand has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 0 states have call successors, (0), 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 16:56:21,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:56:21,811 INFO L93 Difference]: Finished difference Result 207119 states and 257922 transitions. [2024-11-08 16:56:21,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 16:56:21,811 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 0 states have call successors, (0), 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 16:56:21,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:56:21,994 INFO L225 Difference]: With dead ends: 207119 [2024-11-08 16:56:21,994 INFO L226 Difference]: Without dead ends: 158537 [2024-11-08 16:56:22,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=821, Invalid=3871, Unknown=0, NotChecked=0, Total=4692 [2024-11-08 16:56:22,041 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 1834 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3607 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:56:22,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3607 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:56:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158537 states. [2024-11-08 16:56:23,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158537 to 117396. [2024-11-08 16:56:24,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117396 states, 117395 states have (on average 1.24507006260914) internal successors, (146165), 117395 states have internal predecessors, (146165), 0 states have call successors, (0), 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 16:56:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117396 states to 117396 states and 146165 transitions. [2024-11-08 16:56:24,229 INFO L78 Accepts]: Start accepts. Automaton has 117396 states and 146165 transitions. Word has length 104 [2024-11-08 16:56:24,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:56:24,229 INFO L471 AbstractCegarLoop]: Abstraction has 117396 states and 146165 transitions. [2024-11-08 16:56:24,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 0 states have call successors, (0), 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 16:56:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 117396 states and 146165 transitions. [2024-11-08 16:56:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 16:56:24,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:56:24,231 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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 16:56:24,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:56:24,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:56:24,432 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 16:56:24,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:56:24,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2045091184, now seen corresponding path program 1 times [2024-11-08 16:56:24,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:56:24,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474649460] [2024-11-08 16:56:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:24,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:56:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:56:25,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:56:25,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474649460] [2024-11-08 16:56:25,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474649460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:56:25,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328930284] [2024-11-08 16:56:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:56:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:56:25,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:56:25,203 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:56:25,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ce72ce-7ca6-46be-9972-fad7155fbc73/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 16:56:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:56:25,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 16:56:25,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:56:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:56:27,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:56:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:56:28,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328930284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:56:28,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:56:28,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 12] total 37 [2024-11-08 16:56:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429787213] [2024-11-08 16:56:28,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:56:28,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-08 16:56:28,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:56:28,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-08 16:56:28,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1203, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 16:56:28,625 INFO L87 Difference]: Start difference. First operand 117396 states and 146165 transitions. Second operand has 37 states, 37 states have (on average 7.972972972972973) internal successors, (295), 37 states have internal predecessors, (295), 0 states have call successors, (0), 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 16:56:33,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:56:33,726 INFO L93 Difference]: Finished difference Result 220664 states and 272796 transitions. [2024-11-08 16:56:33,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 16:56:33,727 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 7.972972972972973) internal successors, (295), 37 states have internal predecessors, (295), 0 states have call successors, (0), 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 16:56:33,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:56:34,148 INFO L225 Difference]: With dead ends: 220664 [2024-11-08 16:56:34,149 INFO L226 Difference]: Without dead ends: 134098 [2024-11-08 16:56:34,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=800, Invalid=4030, Unknown=0, NotChecked=0, Total=4830 [2024-11-08 16:56:34,195 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 1504 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:56:34,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2696 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 16:56:34,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134098 states.