./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/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_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/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_a58c9ab1-760a-4ef4-a3af-360a3885854d/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 16f1bfcdafcb30da29b0067c09066abcd5ae81f862f6e318335df039804ff932 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:35:46,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:35:46,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:35:46,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:35:46,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:35:46,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:35:46,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:35:46,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:35:46,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:35:46,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:35:46,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:35:46,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:35:46,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:35:46,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:35:46,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:35:46,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:35:46,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:35:46,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:35:46,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:35:46,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:35:46,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:35:46,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:35:46,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:35:46,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:35:46,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:35:46,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:35:46,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:35:46,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:35:46,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:35:46,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:35:46,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:35:46,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:35:46,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:35:46,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:35:46,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:35:46,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:35:46,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:35:46,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:35:46,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:35:46,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:35:46,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:35:46,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:35:46,812 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f1bfcdafcb30da29b0067c09066abcd5ae81f862f6e318335df039804ff932 [2024-11-08 16:35:47,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:35:47,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:35:47,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:35:47,135 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:35:47,135 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:35:47,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c Unable to find full path for "g++" [2024-11-08 16:35:49,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:35:49,546 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:35:49,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-08 16:35:49,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/data/ce6d938fa/671fb83b6fa84590949384efee65ee61/FLAG28a39959b [2024-11-08 16:35:49,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/data/ce6d938fa/671fb83b6fa84590949384efee65ee61 [2024-11-08 16:35:49,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:35:49,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:35:49,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:35:49,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:35:49,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:35:49,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:35:49" (1/1) ... [2024-11-08 16:35:49,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ea4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:49, skipping insertion in model container [2024-11-08 16:35:49,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:35:49" (1/1) ... [2024-11-08 16:35:49,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:35:49,982 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8112,8125] [2024-11-08 16:35:50,033 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14224,14237] [2024-11-08 16:35:50,053 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16311,16324] [2024-11-08 16:35:50,061 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17335,17348] [2024-11-08 16:35:50,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:35:50,307 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:35:50,394 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8112,8125] [2024-11-08 16:35:50,442 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14224,14237] [2024-11-08 16:35:50,458 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16311,16324] [2024-11-08 16:35:50,469 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_a58c9ab1-760a-4ef4-a3af-360a3885854d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17335,17348] [2024-11-08 16:35:50,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:35:50,637 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:35:50,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50 WrapperNode [2024-11-08 16:35:50,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:35:50,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:35:50,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:35:50,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:35:50,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,770 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2576 [2024-11-08 16:35:50,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:35:50,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:35:50,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:35:50,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:35:50,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,875 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 16:35:50,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:50,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:51,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:35:51,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:35:51,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:35:51,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:35:51,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (1/1) ... [2024-11-08 16:35:51,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:35:51,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:35:51,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:35:51,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:35:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:35:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:35:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:35:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:35:51,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:35:51,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:35:53,162 INFO L? ?]: Removed 422 outVars from TransFormulas that were not future-live. [2024-11-08 16:35:53,163 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:35:53,199 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:35:53,202 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:35:53,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:35:53 BoogieIcfgContainer [2024-11-08 16:35:53,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:35:53,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:35:53,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:35:53,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:35:53,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:35:49" (1/3) ... [2024-11-08 16:35:53,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4688b7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:35:53, skipping insertion in model container [2024-11-08 16:35:53,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:35:50" (2/3) ... [2024-11-08 16:35:53,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4688b7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:35:53, skipping insertion in model container [2024-11-08 16:35:53,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:35:53" (3/3) ... [2024-11-08 16:35:53,216 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-08 16:35:53,235 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:35:53,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:35:53,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:35:53,332 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;@4b37a3fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:35:53,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 16:35:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 441 states, 436 states have (on average 1.8577981651376148) internal successors, (810), 440 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:35:53,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:53,355 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] [2024-11-08 16:35:53,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:53,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:53,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1113444986, now seen corresponding path program 1 times [2024-11-08 16:35:53,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:53,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364323718] [2024-11-08 16:35:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:53,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:53,916 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 16:35:53,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:53,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364323718] [2024-11-08 16:35:53,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364323718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:53,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:53,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:35:53,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198598778] [2024-11-08 16:35:53,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:53,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:35:53,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:53,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:35:53,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:35:53,963 INFO L87 Difference]: Start difference. First operand has 441 states, 436 states have (on average 1.8577981651376148) internal successors, (810), 440 states have internal predecessors, (810), 0 states have call successors, (0), 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 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:54,159 INFO L93 Difference]: Finished difference Result 689 states and 1213 transitions. [2024-11-08 16:35:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:35:54,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-08 16:35:54,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:54,188 INFO L225 Difference]: With dead ends: 689 [2024-11-08 16:35:54,188 INFO L226 Difference]: Without dead ends: 545 [2024-11-08 16:35:54,193 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 16:35:54,198 INFO L432 NwaCegarLoop]: 831 mSDtfsCounter, 422 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:54,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1356 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:35:54,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-08 16:35:54,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2024-11-08 16:35:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 535 states have (on average 1.3420560747663552) internal successors, (718), 538 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 718 transitions. [2024-11-08 16:35:54,308 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 718 transitions. Word has length 49 [2024-11-08 16:35:54,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:54,312 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 718 transitions. [2024-11-08 16:35:54,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 718 transitions. [2024-11-08 16:35:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:35:54,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:54,320 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] [2024-11-08 16:35:54,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:35:54,320 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:54,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:54,321 INFO L85 PathProgramCache]: Analyzing trace with hash 969247668, now seen corresponding path program 1 times [2024-11-08 16:35:54,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:54,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530736025] [2024-11-08 16:35:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:54,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:54,530 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 16:35:54,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:54,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530736025] [2024-11-08 16:35:54,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530736025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:54,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:54,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:35:54,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457977426] [2024-11-08 16:35:54,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:54,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:35:54,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:54,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:35:54,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:35:54,537 INFO L87 Difference]: Start difference. First operand 539 states and 718 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:54,616 INFO L93 Difference]: Finished difference Result 954 states and 1328 transitions. [2024-11-08 16:35:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:35:54,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-08 16:35:54,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:54,621 INFO L225 Difference]: With dead ends: 954 [2024-11-08 16:35:54,621 INFO L226 Difference]: Without dead ends: 713 [2024-11-08 16:35:54,622 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 16:35:54,626 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 238 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:54,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1022 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:35:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-08 16:35:54,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 707. [2024-11-08 16:35:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 703 states have (on average 1.3655761024182076) internal successors, (960), 706 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 960 transitions. [2024-11-08 16:35:54,668 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 960 transitions. Word has length 49 [2024-11-08 16:35:54,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:54,668 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 960 transitions. [2024-11-08 16:35:54,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 960 transitions. [2024-11-08 16:35:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:35:54,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:54,676 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] [2024-11-08 16:35:54,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:35:54,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:54,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:54,680 INFO L85 PathProgramCache]: Analyzing trace with hash 533282259, now seen corresponding path program 1 times [2024-11-08 16:35:54,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:54,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778577501] [2024-11-08 16:35:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:54,864 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 16:35:54,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:54,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778577501] [2024-11-08 16:35:54,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778577501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:54,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:54,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:35:54,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950884887] [2024-11-08 16:35:54,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:54,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:35:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:54,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:35:54,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:35:54,871 INFO L87 Difference]: Start difference. First operand 707 states and 960 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:54,968 INFO L93 Difference]: Finished difference Result 1363 states and 1911 transitions. [2024-11-08 16:35:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:35:54,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-08 16:35:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:54,974 INFO L225 Difference]: With dead ends: 1363 [2024-11-08 16:35:54,975 INFO L226 Difference]: Without dead ends: 1034 [2024-11-08 16:35:54,976 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 16:35:54,977 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 299 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:54,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 997 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:35:54,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-08 16:35:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1027. [2024-11-08 16:35:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1023 states have (on average 1.380254154447703) internal successors, (1412), 1026 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:55,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1412 transitions. [2024-11-08 16:35:55,013 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1412 transitions. Word has length 49 [2024-11-08 16:35:55,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:55,015 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1412 transitions. [2024-11-08 16:35:55,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1412 transitions. [2024-11-08 16:35:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:35:55,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:55,018 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] [2024-11-08 16:35:55,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:35:55,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:55,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:55,019 INFO L85 PathProgramCache]: Analyzing trace with hash 388998377, now seen corresponding path program 1 times [2024-11-08 16:35:55,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:55,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084193577] [2024-11-08 16:35:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:55,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:55,174 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 16:35:55,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:55,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084193577] [2024-11-08 16:35:55,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084193577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:55,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:55,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:35:55,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213134902] [2024-11-08 16:35:55,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:55,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:35:55,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:55,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:35:55,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:35:55,178 INFO L87 Difference]: Start difference. First operand 1027 states and 1412 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:55,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:55,625 INFO L93 Difference]: Finished difference Result 2116 states and 2959 transitions. [2024-11-08 16:35:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:35:55,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-08 16:35:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:55,631 INFO L225 Difference]: With dead ends: 2116 [2024-11-08 16:35:55,631 INFO L226 Difference]: Without dead ends: 1254 [2024-11-08 16:35:55,633 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 16:35:55,636 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 1698 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:55,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 403 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:35:55,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-08 16:35:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1244. [2024-11-08 16:35:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1240 states have (on average 1.3935483870967742) internal successors, (1728), 1243 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1728 transitions. [2024-11-08 16:35:55,671 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1728 transitions. Word has length 49 [2024-11-08 16:35:55,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:55,672 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1728 transitions. [2024-11-08 16:35:55,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:55,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1728 transitions. [2024-11-08 16:35:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 16:35:55,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:55,674 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 16:35:55,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:35:55,674 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:55,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1582595724, now seen corresponding path program 1 times [2024-11-08 16:35:55,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:55,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215431167] [2024-11-08 16:35:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:55,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:55,852 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 16:35:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215431167] [2024-11-08 16:35:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215431167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:55,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:55,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:35:55,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585575878] [2024-11-08 16:35:55,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:55,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:35:55,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:55,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:35:55,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:35:55,855 INFO L87 Difference]: Start difference. First operand 1244 states and 1728 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:56,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:56,261 INFO L93 Difference]: Finished difference Result 2642 states and 3721 transitions. [2024-11-08 16:35:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:35:56,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-08 16:35:56,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:56,268 INFO L225 Difference]: With dead ends: 2642 [2024-11-08 16:35:56,268 INFO L226 Difference]: Without dead ends: 1578 [2024-11-08 16:35:56,270 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 16:35:56,270 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 1450 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:56,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 346 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:35:56,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2024-11-08 16:35:56,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1176. [2024-11-08 16:35:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1172 states have (on average 1.3933447098976108) internal successors, (1633), 1175 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:56,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1633 transitions. [2024-11-08 16:35:56,305 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1633 transitions. Word has length 50 [2024-11-08 16:35:56,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:56,305 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1633 transitions. [2024-11-08 16:35:56,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1633 transitions. [2024-11-08 16:35:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 16:35:56,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:56,308 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 16:35:56,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:35:56,309 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:56,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:56,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1245141101, now seen corresponding path program 1 times [2024-11-08 16:35:56,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:56,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860419189] [2024-11-08 16:35:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:56,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:56,482 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 16:35:56,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:56,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860419189] [2024-11-08 16:35:56,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860419189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:56,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:56,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:35:56,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292061586] [2024-11-08 16:35:56,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:56,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:35:56,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:56,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:35:56,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:35:56,485 INFO L87 Difference]: Start difference. First operand 1176 states and 1633 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:56,839 INFO L93 Difference]: Finished difference Result 2591 states and 3626 transitions. [2024-11-08 16:35:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:35:56,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-08 16:35:56,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:56,848 INFO L225 Difference]: With dead ends: 2591 [2024-11-08 16:35:56,848 INFO L226 Difference]: Without dead ends: 1533 [2024-11-08 16:35:56,850 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 16:35:56,852 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1288 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:56,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 320 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:35:56,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2024-11-08 16:35:56,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1520. [2024-11-08 16:35:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1516 states have (on average 1.3885224274406331) internal successors, (2105), 1519 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 2105 transitions. [2024-11-08 16:35:56,894 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 2105 transitions. Word has length 50 [2024-11-08 16:35:56,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:56,894 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 2105 transitions. [2024-11-08 16:35:56,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2105 transitions. [2024-11-08 16:35:56,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 16:35:56,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:56,897 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, 1] [2024-11-08 16:35:56,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:35:56,898 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:56,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:56,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2025988922, now seen corresponding path program 1 times [2024-11-08 16:35:56,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:56,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660288270] [2024-11-08 16:35:56,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:57,110 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 16:35:57,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:57,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660288270] [2024-11-08 16:35:57,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660288270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:57,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:57,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:35:57,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235357973] [2024-11-08 16:35:57,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:57,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:35:57,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:57,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:35:57,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:35:57,113 INFO L87 Difference]: Start difference. First operand 1520 states and 2105 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:57,681 INFO L93 Difference]: Finished difference Result 2983 states and 4191 transitions. [2024-11-08 16:35:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:35:57,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-08 16:35:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:57,690 INFO L225 Difference]: With dead ends: 2983 [2024-11-08 16:35:57,690 INFO L226 Difference]: Without dead ends: 2550 [2024-11-08 16:35:57,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:35:57,695 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1846 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:57,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 614 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:35:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2024-11-08 16:35:57,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 1532. [2024-11-08 16:35:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1528 states have (on average 1.388089005235602) internal successors, (2121), 1531 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2121 transitions. [2024-11-08 16:35:57,755 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2121 transitions. Word has length 51 [2024-11-08 16:35:57,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:57,756 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 2121 transitions. [2024-11-08 16:35:57,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2121 transitions. [2024-11-08 16:35:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 16:35:57,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:57,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:57,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:35:57,761 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:57,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:57,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1769009660, now seen corresponding path program 1 times [2024-11-08 16:35:57,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:57,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803576004] [2024-11-08 16:35:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:57,993 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 16:35:57,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:57,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803576004] [2024-11-08 16:35:57,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803576004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:57,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:57,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:35:57,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459668267] [2024-11-08 16:35:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:57,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:35:57,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:57,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:35:57,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:35:57,997 INFO L87 Difference]: Start difference. First operand 1532 states and 2121 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:58,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:58,562 INFO L93 Difference]: Finished difference Result 3282 states and 4625 transitions. [2024-11-08 16:35:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:35:58,563 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-08 16:35:58,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:58,571 INFO L225 Difference]: With dead ends: 3282 [2024-11-08 16:35:58,571 INFO L226 Difference]: Without dead ends: 2734 [2024-11-08 16:35:58,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:35:58,573 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1726 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:58,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 597 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:35:58,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2024-11-08 16:35:58,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 1554. [2024-11-08 16:35:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1550 states have (on average 1.3883870967741936) internal successors, (2152), 1553 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2152 transitions. [2024-11-08 16:35:58,668 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2152 transitions. Word has length 52 [2024-11-08 16:35:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:58,669 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 2152 transitions. [2024-11-08 16:35:58,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2152 transitions. [2024-11-08 16:35:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 16:35:58,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:58,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:58,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:35:58,673 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:58,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:58,674 INFO L85 PathProgramCache]: Analyzing trace with hash -990817093, now seen corresponding path program 1 times [2024-11-08 16:35:58,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:58,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213172758] [2024-11-08 16:35:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:58,899 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 16:35:58,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:58,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213172758] [2024-11-08 16:35:58,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213172758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:58,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:58,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:35:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943189897] [2024-11-08 16:35:58,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:58,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:35:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:35:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:35:58,906 INFO L87 Difference]: Start difference. First operand 1554 states and 2152 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:59,382 INFO L93 Difference]: Finished difference Result 3027 states and 4248 transitions. [2024-11-08 16:35:59,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:35:59,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-08 16:35:59,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:59,389 INFO L225 Difference]: With dead ends: 3027 [2024-11-08 16:35:59,389 INFO L226 Difference]: Without dead ends: 2312 [2024-11-08 16:35:59,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:35:59,393 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1601 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:59,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 576 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:35:59,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2024-11-08 16:35:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 1568. [2024-11-08 16:35:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1564 states have (on average 1.3874680306905371) internal successors, (2170), 1567 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2170 transitions. [2024-11-08 16:35:59,440 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2170 transitions. Word has length 52 [2024-11-08 16:35:59,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:59,440 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2170 transitions. [2024-11-08 16:35:59,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:35:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2170 transitions. [2024-11-08 16:35:59,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 16:35:59,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:59,442 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 16:35:59,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:35:59,443 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:35:59,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash 851488073, now seen corresponding path program 1 times [2024-11-08 16:35:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965552833] [2024-11-08 16:35:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:59,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:59,869 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 16:35:59,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:59,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965552833] [2024-11-08 16:35:59,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965552833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:35:59,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:35:59,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:35:59,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57160292] [2024-11-08 16:35:59,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:59,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:35:59,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:59,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:35:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:35:59,872 INFO L87 Difference]: Start difference. First operand 1568 states and 2170 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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 16:36:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:00,441 INFO L93 Difference]: Finished difference Result 3263 states and 4603 transitions. [2024-11-08 16:36:00,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:36:00,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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 16:36:00,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:00,448 INFO L225 Difference]: With dead ends: 3263 [2024-11-08 16:36:00,448 INFO L226 Difference]: Without dead ends: 2213 [2024-11-08 16:36:00,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:36:00,450 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1845 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:00,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 729 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:36:00,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-11-08 16:36:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 1568. [2024-11-08 16:36:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1564 states have (on average 1.3842710997442456) internal successors, (2165), 1567 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2165 transitions. [2024-11-08 16:36:00,488 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2165 transitions. Word has length 53 [2024-11-08 16:36:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:00,489 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2165 transitions. [2024-11-08 16:36:00,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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 16:36:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2165 transitions. [2024-11-08 16:36:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 16:36:00,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:00,491 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 16:36:00,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:36:00,491 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:00,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:00,492 INFO L85 PathProgramCache]: Analyzing trace with hash 707290755, now seen corresponding path program 1 times [2024-11-08 16:36:00,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:00,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838842488] [2024-11-08 16:36:00,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:00,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:00,777 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 16:36:00,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:00,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838842488] [2024-11-08 16:36:00,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838842488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:00,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:00,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:36:00,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512297753] [2024-11-08 16:36:00,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:00,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:36:00,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:00,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:36:00,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:36:00,780 INFO L87 Difference]: Start difference. First operand 1568 states and 2165 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 16:36:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:01,495 INFO L93 Difference]: Finished difference Result 3621 states and 5119 transitions. [2024-11-08 16:36:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:36:01,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 16:36:01,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:01,504 INFO L225 Difference]: With dead ends: 3621 [2024-11-08 16:36:01,504 INFO L226 Difference]: Without dead ends: 2705 [2024-11-08 16:36:01,506 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 16:36:01,506 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 1433 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:01,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 1041 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:36:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2024-11-08 16:36:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1539. [2024-11-08 16:36:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 1535 states have (on average 1.3837133550488598) internal successors, (2124), 1538 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2124 transitions. [2024-11-08 16:36:01,555 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2124 transitions. Word has length 53 [2024-11-08 16:36:01,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:01,555 INFO L471 AbstractCegarLoop]: Abstraction has 1539 states and 2124 transitions. [2024-11-08 16:36:01,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 16:36:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2124 transitions. [2024-11-08 16:36:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 16:36:01,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:01,557 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 16:36:01,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:36:01,557 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:01,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:01,558 INFO L85 PathProgramCache]: Analyzing trace with hash -843330776, now seen corresponding path program 1 times [2024-11-08 16:36:01,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:01,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518770096] [2024-11-08 16:36:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:01,854 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 16:36:01,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:01,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518770096] [2024-11-08 16:36:01,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518770096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:01,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:01,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:36:01,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374237874] [2024-11-08 16:36:01,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:01,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:36:01,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:01,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:36:01,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:36:01,857 INFO L87 Difference]: Start difference. First operand 1539 states and 2124 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 16:36:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:02,525 INFO L93 Difference]: Finished difference Result 2261 states and 3135 transitions. [2024-11-08 16:36:02,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:36:02,526 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 16:36:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:02,532 INFO L225 Difference]: With dead ends: 2261 [2024-11-08 16:36:02,532 INFO L226 Difference]: Without dead ends: 2256 [2024-11-08 16:36:02,533 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 16:36:02,534 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 1414 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:02,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 1024 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:36:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2024-11-08 16:36:02,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1539. [2024-11-08 16:36:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 1535 states have (on average 1.3824104234527688) internal successors, (2122), 1538 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2122 transitions. [2024-11-08 16:36:02,583 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2122 transitions. Word has length 53 [2024-11-08 16:36:02,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:02,584 INFO L471 AbstractCegarLoop]: Abstraction has 1539 states and 2122 transitions. [2024-11-08 16:36:02,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 16:36:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2122 transitions. [2024-11-08 16:36:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 16:36:02,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:02,586 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 16:36:02,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:36:02,586 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:02,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:02,587 INFO L85 PathProgramCache]: Analyzing trace with hash 686286721, now seen corresponding path program 1 times [2024-11-08 16:36:02,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:02,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016411380] [2024-11-08 16:36:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:02,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:02,699 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 16:36:02,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:02,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016411380] [2024-11-08 16:36:02,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016411380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:02,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:02,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:02,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775694177] [2024-11-08 16:36:02,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:02,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:02,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:02,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:02,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:02,702 INFO L87 Difference]: Start difference. First operand 1539 states and 2122 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:02,738 INFO L93 Difference]: Finished difference Result 2067 states and 2850 transitions. [2024-11-08 16:36:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:02,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:02,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:02,742 INFO L225 Difference]: With dead ends: 2067 [2024-11-08 16:36:02,743 INFO L226 Difference]: Without dead ends: 1508 [2024-11-08 16:36:02,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:02,745 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 259 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:02,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 676 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2024-11-08 16:36:02,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1506. [2024-11-08 16:36:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1502 states have (on average 1.3535286284953396) internal successors, (2033), 1505 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 2033 transitions. [2024-11-08 16:36:02,772 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 2033 transitions. Word has length 54 [2024-11-08 16:36:02,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:02,773 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 2033 transitions. [2024-11-08 16:36:02,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 2033 transitions. [2024-11-08 16:36:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 16:36:02,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:02,775 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 16:36:02,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:36:02,775 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:02,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:02,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1437497679, now seen corresponding path program 1 times [2024-11-08 16:36:02,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:02,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789437397] [2024-11-08 16:36:02,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:02,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:02,856 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 16:36:02,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:02,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789437397] [2024-11-08 16:36:02,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789437397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:02,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:02,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:02,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304016818] [2024-11-08 16:36:02,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:02,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:02,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:02,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:02,859 INFO L87 Difference]: Start difference. First operand 1506 states and 2033 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:02,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:02,909 INFO L93 Difference]: Finished difference Result 2126 states and 2896 transitions. [2024-11-08 16:36:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:02,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:02,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:02,913 INFO L225 Difference]: With dead ends: 2126 [2024-11-08 16:36:02,914 INFO L226 Difference]: Without dead ends: 1513 [2024-11-08 16:36:02,915 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 16:36:02,915 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 208 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:02,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 746 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:02,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2024-11-08 16:36:02,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1506. [2024-11-08 16:36:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1502 states have (on average 1.3382157123834886) internal successors, (2010), 1505 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 2010 transitions. [2024-11-08 16:36:02,943 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 2010 transitions. Word has length 54 [2024-11-08 16:36:02,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:02,944 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 2010 transitions. [2024-11-08 16:36:02,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 2010 transitions. [2024-11-08 16:36:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 16:36:02,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:02,946 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 16:36:02,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:36:02,946 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:02,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:02,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1063900683, now seen corresponding path program 1 times [2024-11-08 16:36:02,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:02,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200109421] [2024-11-08 16:36:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:03,028 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 16:36:03,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:03,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200109421] [2024-11-08 16:36:03,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200109421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:03,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:03,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:03,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798530945] [2024-11-08 16:36:03,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:03,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:03,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:03,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:03,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:03,030 INFO L87 Difference]: Start difference. First operand 1506 states and 2010 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:03,061 INFO L93 Difference]: Finished difference Result 2163 states and 2914 transitions. [2024-11-08 16:36:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:03,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:03,070 INFO L225 Difference]: With dead ends: 2163 [2024-11-08 16:36:03,070 INFO L226 Difference]: Without dead ends: 1512 [2024-11-08 16:36:03,071 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 16:36:03,071 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 224 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:03,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 753 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:03,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-08 16:36:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1506. [2024-11-08 16:36:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1502 states have (on average 1.3262316910785619) internal successors, (1992), 1505 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1992 transitions. [2024-11-08 16:36:03,097 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1992 transitions. Word has length 54 [2024-11-08 16:36:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:03,097 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 1992 transitions. [2024-11-08 16:36:03,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 16:36:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1992 transitions. [2024-11-08 16:36:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:36:03,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:03,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:03,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:36:03,100 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:03,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:03,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1050867566, now seen corresponding path program 1 times [2024-11-08 16:36:03,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:03,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859970837] [2024-11-08 16:36:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:03,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:03,157 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 16:36:03,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:03,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859970837] [2024-11-08 16:36:03,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859970837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:03,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:03,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:03,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057168609] [2024-11-08 16:36:03,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:03,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:03,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:03,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:03,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:03,160 INFO L87 Difference]: Start difference. First operand 1506 states and 1992 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:03,219 INFO L93 Difference]: Finished difference Result 2664 states and 3567 transitions. [2024-11-08 16:36:03,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:03,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 16:36:03,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:03,223 INFO L225 Difference]: With dead ends: 2664 [2024-11-08 16:36:03,224 INFO L226 Difference]: Without dead ends: 1794 [2024-11-08 16:36:03,225 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 16:36:03,228 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 286 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:03,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 467 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:03,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-08 16:36:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1426. [2024-11-08 16:36:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1422 states have (on average 1.3284106891701828) internal successors, (1889), 1425 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1889 transitions. [2024-11-08 16:36:03,255 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1889 transitions. Word has length 56 [2024-11-08 16:36:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:03,255 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 1889 transitions. [2024-11-08 16:36:03,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1889 transitions. [2024-11-08 16:36:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:36:03,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:03,257 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:03,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:36:03,257 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:03,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:03,258 INFO L85 PathProgramCache]: Analyzing trace with hash 762441294, now seen corresponding path program 1 times [2024-11-08 16:36:03,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:03,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486419457] [2024-11-08 16:36:03,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:03,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:03,321 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 16:36:03,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:03,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486419457] [2024-11-08 16:36:03,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486419457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:03,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:03,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:03,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600984980] [2024-11-08 16:36:03,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:03,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:03,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:03,323 INFO L87 Difference]: Start difference. First operand 1426 states and 1889 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:03,402 INFO L93 Difference]: Finished difference Result 2528 states and 3386 transitions. [2024-11-08 16:36:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 16:36:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:03,406 INFO L225 Difference]: With dead ends: 2528 [2024-11-08 16:36:03,406 INFO L226 Difference]: Without dead ends: 1704 [2024-11-08 16:36:03,407 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 16:36:03,408 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 250 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:03,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 397 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:36:03,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2024-11-08 16:36:03,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1328. [2024-11-08 16:36:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1324 states have (on average 1.3330815709969788) internal successors, (1765), 1327 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1765 transitions. [2024-11-08 16:36:03,456 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1765 transitions. Word has length 56 [2024-11-08 16:36:03,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:03,457 INFO L471 AbstractCegarLoop]: Abstraction has 1328 states and 1765 transitions. [2024-11-08 16:36:03,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1765 transitions. [2024-11-08 16:36:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:36:03,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:03,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:03,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:36:03,460 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:03,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1334330377, now seen corresponding path program 1 times [2024-11-08 16:36:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:03,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437442491] [2024-11-08 16:36:03,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:04,334 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 16:36:04,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:04,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437442491] [2024-11-08 16:36:04,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437442491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:04,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:04,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:36:04,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140107981] [2024-11-08 16:36:04,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:04,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:36:04,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:04,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:36:04,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:36:04,337 INFO L87 Difference]: Start difference. First operand 1328 states and 1765 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:05,141 INFO L93 Difference]: Finished difference Result 2310 states and 3123 transitions. [2024-11-08 16:36:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:36:05,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 16:36:05,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:05,146 INFO L225 Difference]: With dead ends: 2310 [2024-11-08 16:36:05,146 INFO L226 Difference]: Without dead ends: 2104 [2024-11-08 16:36:05,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:36:05,148 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 1334 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:05,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 1344 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:36:05,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-08 16:36:05,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 1303. [2024-11-08 16:36:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1300 states have (on average 1.3346153846153845) internal successors, (1735), 1302 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1735 transitions. [2024-11-08 16:36:05,181 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1735 transitions. Word has length 56 [2024-11-08 16:36:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:05,181 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1735 transitions. [2024-11-08 16:36:05,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:05,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1735 transitions. [2024-11-08 16:36:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:36:05,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:05,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:05,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:36:05,187 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:05,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:05,188 INFO L85 PathProgramCache]: Analyzing trace with hash -2094820174, now seen corresponding path program 1 times [2024-11-08 16:36:05,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:05,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076530216] [2024-11-08 16:36:05,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:05,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:06,556 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 16:36:06,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:06,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076530216] [2024-11-08 16:36:06,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076530216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:06,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:06,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 16:36:06,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159636254] [2024-11-08 16:36:06,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:06,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 16:36:06,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:06,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 16:36:06,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:36:06,560 INFO L87 Difference]: Start difference. First operand 1303 states and 1735 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:08,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:08,953 INFO L93 Difference]: Finished difference Result 2741 states and 3704 transitions. [2024-11-08 16:36:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:36:08,954 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 16:36:08,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:08,959 INFO L225 Difference]: With dead ends: 2741 [2024-11-08 16:36:08,959 INFO L226 Difference]: Without dead ends: 2735 [2024-11-08 16:36:08,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 16:36:08,961 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 2772 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:08,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 3014 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:36:08,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2024-11-08 16:36:08,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 1303. [2024-11-08 16:36:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1300 states have (on average 1.333846153846154) internal successors, (1734), 1302 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1734 transitions. [2024-11-08 16:36:08,991 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1734 transitions. Word has length 56 [2024-11-08 16:36:08,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:08,991 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1734 transitions. [2024-11-08 16:36:08,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1734 transitions. [2024-11-08 16:36:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:36:08,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:08,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:08,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:36:08,994 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:08,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:08,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1561708229, now seen corresponding path program 1 times [2024-11-08 16:36:08,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:08,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878251652] [2024-11-08 16:36:08,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:09,646 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 16:36:09,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:09,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878251652] [2024-11-08 16:36:09,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878251652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:09,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:09,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:36:09,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304628656] [2024-11-08 16:36:09,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:09,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:36:09,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:09,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:36:09,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:36:09,649 INFO L87 Difference]: Start difference. First operand 1303 states and 1734 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:10,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:10,452 INFO L93 Difference]: Finished difference Result 2153 states and 2904 transitions. [2024-11-08 16:36:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:36:10,453 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 16:36:10,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:10,457 INFO L225 Difference]: With dead ends: 2153 [2024-11-08 16:36:10,457 INFO L226 Difference]: Without dead ends: 2092 [2024-11-08 16:36:10,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:36:10,459 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 1498 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:10,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1610 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:36:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2024-11-08 16:36:10,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 1291. [2024-11-08 16:36:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1289 states have (on average 1.3351435221101629) internal successors, (1721), 1290 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1721 transitions. [2024-11-08 16:36:10,498 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1721 transitions. Word has length 56 [2024-11-08 16:36:10,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:10,498 INFO L471 AbstractCegarLoop]: Abstraction has 1291 states and 1721 transitions. [2024-11-08 16:36:10,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1721 transitions. [2024-11-08 16:36:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 16:36:10,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:10,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:10,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:36:10,501 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:10,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:10,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1558288919, now seen corresponding path program 1 times [2024-11-08 16:36:10,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:10,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525432777] [2024-11-08 16:36:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:10,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:11,131 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 16:36:11,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:11,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525432777] [2024-11-08 16:36:11,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525432777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:11,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:11,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:36:11,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232899450] [2024-11-08 16:36:11,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:11,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:36:11,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:11,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:36:11,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:36:11,134 INFO L87 Difference]: Start difference. First operand 1291 states and 1721 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:11,772 INFO L93 Difference]: Finished difference Result 3264 states and 4440 transitions. [2024-11-08 16:36:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:36:11,772 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 16:36:11,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:11,778 INFO L225 Difference]: With dead ends: 3264 [2024-11-08 16:36:11,778 INFO L226 Difference]: Without dead ends: 3063 [2024-11-08 16:36:11,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:36:11,781 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1905 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:11,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 1000 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:36:11,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3063 states. [2024-11-08 16:36:11,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3063 to 1256. [2024-11-08 16:36:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1255 states have (on average 1.3386454183266931) internal successors, (1680), 1255 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1680 transitions. [2024-11-08 16:36:11,808 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1680 transitions. Word has length 56 [2024-11-08 16:36:11,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:11,808 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1680 transitions. [2024-11-08 16:36:11,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1680 transitions. [2024-11-08 16:36:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 16:36:11,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:11,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:11,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:36:11,812 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:11,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1173720509, now seen corresponding path program 1 times [2024-11-08 16:36:11,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:11,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80910269] [2024-11-08 16:36:11,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:11,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:11,962 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 16:36:11,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:11,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80910269] [2024-11-08 16:36:11,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80910269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:11,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:11,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:36:11,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306968239] [2024-11-08 16:36:11,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:11,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:36:11,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:11,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:36:11,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:36:11,965 INFO L87 Difference]: Start difference. First operand 1256 states and 1680 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:12,042 INFO L93 Difference]: Finished difference Result 2934 states and 4050 transitions. [2024-11-08 16:36:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:36:12,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-08 16:36:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:12,047 INFO L225 Difference]: With dead ends: 2934 [2024-11-08 16:36:12,047 INFO L226 Difference]: Without dead ends: 2224 [2024-11-08 16:36:12,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:36:12,048 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 881 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:12,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 564 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:36:12,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2024-11-08 16:36:12,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 1906. [2024-11-08 16:36:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1905 states have (on average 1.3448818897637795) internal successors, (2562), 1905 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2562 transitions. [2024-11-08 16:36:12,077 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2562 transitions. Word has length 63 [2024-11-08 16:36:12,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:12,077 INFO L471 AbstractCegarLoop]: Abstraction has 1906 states and 2562 transitions. [2024-11-08 16:36:12,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2562 transitions. [2024-11-08 16:36:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 16:36:12,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:12,079 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] [2024-11-08 16:36:12,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:36:12,080 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:12,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:12,080 INFO L85 PathProgramCache]: Analyzing trace with hash 5757662, now seen corresponding path program 1 times [2024-11-08 16:36:12,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:12,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292597499] [2024-11-08 16:36:12,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:12,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:12,206 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 16:36:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292597499] [2024-11-08 16:36:12,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292597499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:12,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:12,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:36:12,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898522862] [2024-11-08 16:36:12,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:12,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:36:12,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:12,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:36:12,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:36:12,208 INFO L87 Difference]: Start difference. First operand 1906 states and 2562 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:12,281 INFO L93 Difference]: Finished difference Result 1912 states and 2565 transitions. [2024-11-08 16:36:12,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:36:12,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-11-08 16:36:12,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:12,285 INFO L225 Difference]: With dead ends: 1912 [2024-11-08 16:36:12,285 INFO L226 Difference]: Without dead ends: 1701 [2024-11-08 16:36:12,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:36:12,286 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 596 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:12,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 636 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:36:12,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-11-08 16:36:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1697. [2024-11-08 16:36:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1696 states have (on average 1.349056603773585) internal successors, (2288), 1696 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2288 transitions. [2024-11-08 16:36:12,309 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2288 transitions. Word has length 64 [2024-11-08 16:36:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:12,309 INFO L471 AbstractCegarLoop]: Abstraction has 1697 states and 2288 transitions. [2024-11-08 16:36:12,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2288 transitions. [2024-11-08 16:36:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 16:36:12,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:12,312 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] [2024-11-08 16:36:12,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:36:12,313 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:12,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:12,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1852933729, now seen corresponding path program 1 times [2024-11-08 16:36:12,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:12,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125812881] [2024-11-08 16:36:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:12,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:12,426 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 16:36:12,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:12,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125812881] [2024-11-08 16:36:12,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125812881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:12,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:12,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:12,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613352315] [2024-11-08 16:36:12,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:12,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:12,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:12,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:12,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:12,428 INFO L87 Difference]: Start difference. First operand 1697 states and 2288 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:12,465 INFO L93 Difference]: Finished difference Result 3889 states and 5334 transitions. [2024-11-08 16:36:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:12,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-11-08 16:36:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:12,474 INFO L225 Difference]: With dead ends: 3889 [2024-11-08 16:36:12,474 INFO L226 Difference]: Without dead ends: 2743 [2024-11-08 16:36:12,476 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 16:36:12,476 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 108 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:12,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 467 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2024-11-08 16:36:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2589. [2024-11-08 16:36:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2589 states, 2588 states have (on average 1.3593508500772797) internal successors, (3518), 2588 states have internal predecessors, (3518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3518 transitions. [2024-11-08 16:36:12,517 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3518 transitions. Word has length 65 [2024-11-08 16:36:12,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:12,517 INFO L471 AbstractCegarLoop]: Abstraction has 2589 states and 3518 transitions. [2024-11-08 16:36:12,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3518 transitions. [2024-11-08 16:36:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 16:36:12,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:12,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:12,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:36:12,521 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:12,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:12,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1984326042, now seen corresponding path program 1 times [2024-11-08 16:36:12,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:12,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292946188] [2024-11-08 16:36:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:12,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:12,683 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 16:36:12,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:12,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292946188] [2024-11-08 16:36:12,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292946188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:12,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:12,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:12,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437737185] [2024-11-08 16:36:12,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:12,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:12,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:12,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:12,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:12,685 INFO L87 Difference]: Start difference. First operand 2589 states and 3518 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:12,785 INFO L93 Difference]: Finished difference Result 6465 states and 8872 transitions. [2024-11-08 16:36:12,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:12,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-08 16:36:12,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:12,795 INFO L225 Difference]: With dead ends: 6465 [2024-11-08 16:36:12,796 INFO L226 Difference]: Without dead ends: 4427 [2024-11-08 16:36:12,798 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 16:36:12,799 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 95 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:12,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 454 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:36:12,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4427 states. [2024-11-08 16:36:12,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4427 to 4121. [2024-11-08 16:36:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 4120 states have (on average 1.3616504854368932) internal successors, (5610), 4120 states have internal predecessors, (5610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5610 transitions. [2024-11-08 16:36:12,866 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5610 transitions. Word has length 67 [2024-11-08 16:36:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:12,866 INFO L471 AbstractCegarLoop]: Abstraction has 4121 states and 5610 transitions. [2024-11-08 16:36:12,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:12,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5610 transitions. [2024-11-08 16:36:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 16:36:12,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:12,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:12,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:36:12,869 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:12,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash -456053566, now seen corresponding path program 1 times [2024-11-08 16:36:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:12,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022543200] [2024-11-08 16:36:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:12,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:13,169 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 16:36:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022543200] [2024-11-08 16:36:13,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022543200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:13,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:13,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:36:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244187373] [2024-11-08 16:36:13,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:13,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:36:13,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:13,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:36:13,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:36:13,171 INFO L87 Difference]: Start difference. First operand 4121 states and 5610 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:13,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:13,210 INFO L93 Difference]: Finished difference Result 4459 states and 6059 transitions. [2024-11-08 16:36:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:36:13,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-08 16:36:13,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:13,219 INFO L225 Difference]: With dead ends: 4459 [2024-11-08 16:36:13,219 INFO L226 Difference]: Without dead ends: 4457 [2024-11-08 16:36:13,220 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 16:36:13,221 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:13,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1130 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2024-11-08 16:36:13,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 4457. [2024-11-08 16:36:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4457 states, 4456 states have (on average 1.3343806104129263) internal successors, (5946), 4456 states have internal predecessors, (5946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4457 states and 5946 transitions. [2024-11-08 16:36:13,282 INFO L78 Accepts]: Start accepts. Automaton has 4457 states and 5946 transitions. Word has length 69 [2024-11-08 16:36:13,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:13,283 INFO L471 AbstractCegarLoop]: Abstraction has 4457 states and 5946 transitions. [2024-11-08 16:36:13,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 5946 transitions. [2024-11-08 16:36:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 16:36:13,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:13,285 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] [2024-11-08 16:36:13,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 16:36:13,286 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:13,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:13,286 INFO L85 PathProgramCache]: Analyzing trace with hash 789084021, now seen corresponding path program 1 times [2024-11-08 16:36:13,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:13,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101341243] [2024-11-08 16:36:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:13,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:13,352 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 16:36:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:13,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101341243] [2024-11-08 16:36:13,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101341243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:13,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:13,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:13,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648368381] [2024-11-08 16:36:13,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:13,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:13,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:13,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:13,355 INFO L87 Difference]: Start difference. First operand 4457 states and 5946 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:13,419 INFO L93 Difference]: Finished difference Result 11451 states and 15318 transitions. [2024-11-08 16:36:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:13,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-08 16:36:13,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:13,434 INFO L225 Difference]: With dead ends: 11451 [2024-11-08 16:36:13,435 INFO L226 Difference]: Without dead ends: 7435 [2024-11-08 16:36:13,439 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 16:36:13,440 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 150 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:13,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 346 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:13,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7435 states. [2024-11-08 16:36:13,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7435 to 7321. [2024-11-08 16:36:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7321 states, 7320 states have (on average 1.3046448087431695) internal successors, (9550), 7320 states have internal predecessors, (9550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7321 states to 7321 states and 9550 transitions. [2024-11-08 16:36:13,607 INFO L78 Accepts]: Start accepts. Automaton has 7321 states and 9550 transitions. Word has length 70 [2024-11-08 16:36:13,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:13,608 INFO L471 AbstractCegarLoop]: Abstraction has 7321 states and 9550 transitions. [2024-11-08 16:36:13,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 7321 states and 9550 transitions. [2024-11-08 16:36:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 16:36:13,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:13,611 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 16:36:13,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:36:13,612 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:13,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:13,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2099371189, now seen corresponding path program 1 times [2024-11-08 16:36:13,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:13,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944376265] [2024-11-08 16:36:13,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:13,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:13,733 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 16:36:13,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:13,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944376265] [2024-11-08 16:36:13,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944376265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:13,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:13,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:13,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761603495] [2024-11-08 16:36:13,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:13,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:13,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:13,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:13,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:13,736 INFO L87 Difference]: Start difference. First operand 7321 states and 9550 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 16:36:13,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:13,804 INFO L93 Difference]: Finished difference Result 18085 states and 23592 transitions. [2024-11-08 16:36:13,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:13,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 16:36:13,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:13,826 INFO L225 Difference]: With dead ends: 18085 [2024-11-08 16:36:13,826 INFO L226 Difference]: Without dead ends: 11185 [2024-11-08 16:36:13,835 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 16:36:13,836 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 102 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:13,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 458 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:36:13,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11185 states. [2024-11-08 16:36:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11185 to 10159. [2024-11-08 16:36:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10159 states, 10158 states have (on average 1.2919866115377043) internal successors, (13124), 10158 states have internal predecessors, (13124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10159 states to 10159 states and 13124 transitions. [2024-11-08 16:36:14,067 INFO L78 Accepts]: Start accepts. Automaton has 10159 states and 13124 transitions. Word has length 71 [2024-11-08 16:36:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:14,067 INFO L471 AbstractCegarLoop]: Abstraction has 10159 states and 13124 transitions. [2024-11-08 16:36:14,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 16:36:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 10159 states and 13124 transitions. [2024-11-08 16:36:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 16:36:14,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:14,070 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 16:36:14,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 16:36:14,071 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:14,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1535774186, now seen corresponding path program 1 times [2024-11-08 16:36:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:14,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877768065] [2024-11-08 16:36:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:14,208 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 16:36:14,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:14,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877768065] [2024-11-08 16:36:14,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877768065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:14,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:14,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:36:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911950570] [2024-11-08 16:36:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:14,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:36:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:36:14,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:36:14,211 INFO L87 Difference]: Start difference. First operand 10159 states and 13124 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 16:36:14,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:14,345 INFO L93 Difference]: Finished difference Result 15019 states and 19536 transitions. [2024-11-08 16:36:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:36:14,346 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 16:36:14,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:14,374 INFO L225 Difference]: With dead ends: 15019 [2024-11-08 16:36:14,374 INFO L226 Difference]: Without dead ends: 12797 [2024-11-08 16:36:14,380 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 16:36:14,381 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 518 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:14,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 692 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:36:14,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12797 states. [2024-11-08 16:36:14,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12797 to 11621. [2024-11-08 16:36:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11621 states, 11620 states have (on average 1.2895008605851979) internal successors, (14984), 11620 states have internal predecessors, (14984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11621 states to 11621 states and 14984 transitions. [2024-11-08 16:36:14,741 INFO L78 Accepts]: Start accepts. Automaton has 11621 states and 14984 transitions. Word has length 71 [2024-11-08 16:36:14,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:14,741 INFO L471 AbstractCegarLoop]: Abstraction has 11621 states and 14984 transitions. [2024-11-08 16:36:14,741 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 16:36:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 11621 states and 14984 transitions. [2024-11-08 16:36:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 16:36:14,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:14,749 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:14,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:36:14,750 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:14,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:14,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1072943688, now seen corresponding path program 1 times [2024-11-08 16:36:14,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:14,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092922568] [2024-11-08 16:36:14,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:14,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:14,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092922568] [2024-11-08 16:36:14,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092922568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:36:14,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740304971] [2024-11-08 16:36:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:14,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:36:14,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:36:14,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:36:14,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:36:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:15,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:36:15,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:36:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:15,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:36:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:15,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740304971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:36:15,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:36:15,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-08 16:36:15,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858774559] [2024-11-08 16:36:15,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:36:15,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 16:36:15,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:15,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 16:36:15,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:36:15,798 INFO L87 Difference]: Start difference. First operand 11621 states and 14984 transitions. Second operand has 14 states, 14 states have (on average 16.714285714285715) internal successors, (234), 14 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 16:36:16,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:16,398 INFO L93 Difference]: Finished difference Result 23883 states and 30798 transitions. [2024-11-08 16:36:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:36:16,399 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.714285714285715) internal successors, (234), 14 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) Word has length 88 [2024-11-08 16:36:16,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:16,427 INFO L225 Difference]: With dead ends: 23883 [2024-11-08 16:36:16,427 INFO L226 Difference]: Without dead ends: 12647 [2024-11-08 16:36:16,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:36:16,438 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 2301 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:16,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 815 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:36:16,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12647 states. [2024-11-08 16:36:16,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12647 to 10979. [2024-11-08 16:36:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10979 states, 10978 states have (on average 1.2588813991619603) internal successors, (13820), 10978 states have internal predecessors, (13820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10979 states to 10979 states and 13820 transitions. [2024-11-08 16:36:16,687 INFO L78 Accepts]: Start accepts. Automaton has 10979 states and 13820 transitions. Word has length 88 [2024-11-08 16:36:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:16,688 INFO L471 AbstractCegarLoop]: Abstraction has 10979 states and 13820 transitions. [2024-11-08 16:36:16,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.714285714285715) internal successors, (234), 14 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 16:36:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10979 states and 13820 transitions. [2024-11-08 16:36:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:36:16,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:16,693 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] [2024-11-08 16:36:16,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:36:16,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:36:16,898 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:16,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:16,899 INFO L85 PathProgramCache]: Analyzing trace with hash -824018739, now seen corresponding path program 1 times [2024-11-08 16:36:16,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:16,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852796083] [2024-11-08 16:36:16,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:16,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 16:36:17,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852796083] [2024-11-08 16:36:17,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852796083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:17,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:17,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:36:17,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844537288] [2024-11-08 16:36:17,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:17,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:36:17,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:17,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:36:17,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:36:17,270 INFO L87 Difference]: Start difference. First operand 10979 states and 13820 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:17,937 INFO L93 Difference]: Finished difference Result 27869 states and 35073 transitions. [2024-11-08 16:36:17,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:36:17,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 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 89 [2024-11-08 16:36:17,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:17,983 INFO L225 Difference]: With dead ends: 27869 [2024-11-08 16:36:17,984 INFO L226 Difference]: Without dead ends: 23815 [2024-11-08 16:36:17,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:36:17,994 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 869 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:17,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 746 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:36:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23815 states. [2024-11-08 16:36:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23815 to 10960. [2024-11-08 16:36:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10960 states, 10959 states have (on average 1.2589652340542021) internal successors, (13797), 10959 states have internal predecessors, (13797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 10960 states and 13797 transitions. [2024-11-08 16:36:18,309 INFO L78 Accepts]: Start accepts. Automaton has 10960 states and 13797 transitions. Word has length 89 [2024-11-08 16:36:18,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:18,310 INFO L471 AbstractCegarLoop]: Abstraction has 10960 states and 13797 transitions. [2024-11-08 16:36:18,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:18,310 INFO L276 IsEmpty]: Start isEmpty. Operand 10960 states and 13797 transitions. [2024-11-08 16:36:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:36:18,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:18,316 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] [2024-11-08 16:36:18,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:36:18,316 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:18,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1971790555, now seen corresponding path program 1 times [2024-11-08 16:36:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:18,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888485950] [2024-11-08 16:36:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:18,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:18,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888485950] [2024-11-08 16:36:18,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888485950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:18,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:18,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:36:18,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397951123] [2024-11-08 16:36:18,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:18,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:36:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:18,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:36:18,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:36:18,749 INFO L87 Difference]: Start difference. First operand 10960 states and 13797 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:19,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:19,578 INFO L93 Difference]: Finished difference Result 25397 states and 31865 transitions. [2024-11-08 16:36:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:36:19,579 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-08 16:36:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:19,618 INFO L225 Difference]: With dead ends: 25397 [2024-11-08 16:36:19,618 INFO L226 Difference]: Without dead ends: 19905 [2024-11-08 16:36:19,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:36:19,636 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 606 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:19,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 814 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:36:19,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19905 states. [2024-11-08 16:36:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19905 to 17275. [2024-11-08 16:36:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17275 states, 17274 states have (on average 1.2594650920458492) internal successors, (21756), 17274 states have internal predecessors, (21756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17275 states to 17275 states and 21756 transitions. [2024-11-08 16:36:19,951 INFO L78 Accepts]: Start accepts. Automaton has 17275 states and 21756 transitions. Word has length 90 [2024-11-08 16:36:19,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:19,951 INFO L471 AbstractCegarLoop]: Abstraction has 17275 states and 21756 transitions. [2024-11-08 16:36:19,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 17275 states and 21756 transitions. [2024-11-08 16:36:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:36:19,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:19,958 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] [2024-11-08 16:36:19,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 16:36:19,959 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:19,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2062121137, now seen corresponding path program 1 times [2024-11-08 16:36:19,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:19,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716957795] [2024-11-08 16:36:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:19,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:20,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:20,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716957795] [2024-11-08 16:36:20,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716957795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:36:20,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617115880] [2024-11-08 16:36:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:20,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:36:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:36:20,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:36:20,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:36:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:20,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 16:36:20,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:36:22,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:22,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:36:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:24,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617115880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:36:24,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:36:24,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 28 [2024-11-08 16:36:24,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058974030] [2024-11-08 16:36:24,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:36:24,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 16:36:24,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:24,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 16:36:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-11-08 16:36:24,272 INFO L87 Difference]: Start difference. First operand 17275 states and 21756 transitions. Second operand has 29 states, 29 states have (on average 8.0) internal successors, (232), 28 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 16:36:43,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:43,805 INFO L93 Difference]: Finished difference Result 84868 states and 106132 transitions. [2024-11-08 16:36:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2024-11-08 16:36:43,806 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 28 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) Word has length 90 [2024-11-08 16:36:43,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:43,992 INFO L225 Difference]: With dead ends: 84868 [2024-11-08 16:36:43,992 INFO L226 Difference]: Without dead ends: 78718 [2024-11-08 16:36:44,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24245 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=9104, Invalid=49702, Unknown=0, NotChecked=0, Total=58806 [2024-11-08 16:36:44,026 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 5231 mSDsluCounter, 5161 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5231 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:44,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5231 Valid, 5530 Invalid, 5371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [141 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-08 16:36:44,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78718 states. [2024-11-08 16:36:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78718 to 26268. [2024-11-08 16:36:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26268 states, 26267 states have (on average 1.261164198423878) internal successors, (33127), 26267 states have internal predecessors, (33127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26268 states to 26268 states and 33127 transitions. [2024-11-08 16:36:44,691 INFO L78 Accepts]: Start accepts. Automaton has 26268 states and 33127 transitions. Word has length 90 [2024-11-08 16:36:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:44,691 INFO L471 AbstractCegarLoop]: Abstraction has 26268 states and 33127 transitions. [2024-11-08 16:36:44,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 28 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 16:36:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 26268 states and 33127 transitions. [2024-11-08 16:36:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:36:44,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:44,701 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] [2024-11-08 16:36:44,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:36:44,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-08 16:36:44,905 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:44,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2109934172, now seen corresponding path program 1 times [2024-11-08 16:36:44,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:44,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111875490] [2024-11-08 16:36:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 16:36:45,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:45,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111875490] [2024-11-08 16:36:45,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111875490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:45,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:45,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:36:45,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427547916] [2024-11-08 16:36:45,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:45,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:36:45,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:45,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:36:45,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:36:45,386 INFO L87 Difference]: Start difference. First operand 26268 states and 33127 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:46,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:46,118 INFO L93 Difference]: Finished difference Result 67694 states and 85699 transitions. [2024-11-08 16:36:46,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:36:46,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 16:36:46,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:46,176 INFO L225 Difference]: With dead ends: 67694 [2024-11-08 16:36:46,177 INFO L226 Difference]: Without dead ends: 47386 [2024-11-08 16:36:46,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:36:46,200 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 932 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:46,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 902 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:36:46,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47386 states. [2024-11-08 16:36:46,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47386 to 26202. [2024-11-08 16:36:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26202 states, 26201 states have (on average 1.2615167360024426) internal successors, (33053), 26201 states have internal predecessors, (33053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:46,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26202 states to 26202 states and 33053 transitions. [2024-11-08 16:36:46,648 INFO L78 Accepts]: Start accepts. Automaton has 26202 states and 33053 transitions. Word has length 91 [2024-11-08 16:36:46,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:46,648 INFO L471 AbstractCegarLoop]: Abstraction has 26202 states and 33053 transitions. [2024-11-08 16:36:46,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 26202 states and 33053 transitions. [2024-11-08 16:36:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:36:46,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:46,655 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] [2024-11-08 16:36:46,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:36:46,655 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:46,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:46,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1803303103, now seen corresponding path program 1 times [2024-11-08 16:36:46,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:46,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186826705] [2024-11-08 16:36:46,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:46,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 16:36:46,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:46,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186826705] [2024-11-08 16:36:46,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186826705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:46,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:46,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:36:46,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570887344] [2024-11-08 16:36:46,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:46,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:36:46,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:46,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:36:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:36:46,722 INFO L87 Difference]: Start difference. First operand 26202 states and 33053 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:46,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:46,915 INFO L93 Difference]: Finished difference Result 50657 states and 64029 transitions. [2024-11-08 16:36:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:36:46,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 91 [2024-11-08 16:36:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:46,961 INFO L225 Difference]: With dead ends: 50657 [2024-11-08 16:36:46,961 INFO L226 Difference]: Without dead ends: 24899 [2024-11-08 16:36:46,979 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 16:36:46,980 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 164 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:46,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 168 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:36:46,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24899 states. [2024-11-08 16:36:47,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24899 to 24899. [2024-11-08 16:36:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24899 states, 24898 states have (on average 1.2503413928829625) internal successors, (31131), 24898 states have internal predecessors, (31131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24899 states to 24899 states and 31131 transitions. [2024-11-08 16:36:47,503 INFO L78 Accepts]: Start accepts. Automaton has 24899 states and 31131 transitions. Word has length 91 [2024-11-08 16:36:47,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:47,504 INFO L471 AbstractCegarLoop]: Abstraction has 24899 states and 31131 transitions. [2024-11-08 16:36:47,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24899 states and 31131 transitions. [2024-11-08 16:36:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:36:47,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:47,510 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] [2024-11-08 16:36:47,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:36:47,510 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:47,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:47,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1405769395, now seen corresponding path program 1 times [2024-11-08 16:36:47,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:47,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750374232] [2024-11-08 16:36:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:47,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:47,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:47,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750374232] [2024-11-08 16:36:47,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750374232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:36:47,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162871854] [2024-11-08 16:36:47,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:47,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:36:47,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:36:47,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:36:47,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:36:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:48,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 16:36:48,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:36:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:48,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:36:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:49,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162871854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:36:49,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:36:49,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 14] total 25 [2024-11-08 16:36:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633383718] [2024-11-08 16:36:49,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:36:49,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-08 16:36:49,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:49,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-08 16:36:49,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:36:49,915 INFO L87 Difference]: Start difference. First operand 24899 states and 31131 transitions. Second operand has 25 states, 25 states have (on average 8.88) internal successors, (222), 25 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:53,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:53,855 INFO L93 Difference]: Finished difference Result 152622 states and 190900 transitions. [2024-11-08 16:36:53,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-08 16:36:53,856 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 25 states have internal predecessors, (222), 0 states have call successors, (0), 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 91 [2024-11-08 16:36:53,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:54,018 INFO L225 Difference]: With dead ends: 152622 [2024-11-08 16:36:54,018 INFO L226 Difference]: Without dead ends: 128167 [2024-11-08 16:36:54,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2303 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1551, Invalid=4301, Unknown=0, NotChecked=0, Total=5852 [2024-11-08 16:36:54,040 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 6351 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6351 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:54,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6351 Valid, 3366 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:36:54,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128167 states. [2024-11-08 16:36:55,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128167 to 101481. [2024-11-08 16:36:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101481 states, 101480 states have (on average 1.240746945210879) internal successors, (125911), 101480 states have internal predecessors, (125911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101481 states to 101481 states and 125911 transitions. [2024-11-08 16:36:56,067 INFO L78 Accepts]: Start accepts. Automaton has 101481 states and 125911 transitions. Word has length 91 [2024-11-08 16:36:56,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:56,067 INFO L471 AbstractCegarLoop]: Abstraction has 101481 states and 125911 transitions. [2024-11-08 16:36:56,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 25 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 101481 states and 125911 transitions. [2024-11-08 16:36:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 16:36:56,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:56,075 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:56,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:36:56,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:36:56,280 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:56,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:56,281 INFO L85 PathProgramCache]: Analyzing trace with hash 748411930, now seen corresponding path program 1 times [2024-11-08 16:36:56,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874820717] [2024-11-08 16:36:56,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:56,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:56,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:56,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874820717] [2024-11-08 16:36:56,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874820717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:56,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:56,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:36:56,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985619430] [2024-11-08 16:36:56,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:56,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:36:56,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:56,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:36:56,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:36:56,564 INFO L87 Difference]: Start difference. First operand 101481 states and 125911 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:57,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:57,366 INFO L93 Difference]: Finished difference Result 206707 states and 254623 transitions. [2024-11-08 16:36:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:36:57,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-08 16:36:57,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:57,823 INFO L225 Difference]: With dead ends: 206707 [2024-11-08 16:36:57,823 INFO L226 Difference]: Without dead ends: 105670 [2024-11-08 16:36:57,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:36:57,917 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 363 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:57,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 423 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:36:57,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105670 states. [2024-11-08 16:36:59,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105670 to 99279. [2024-11-08 16:36:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99279 states, 99278 states have (on average 1.2239066056931043) internal successors, (121507), 99278 states have internal predecessors, (121507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99279 states to 99279 states and 121507 transitions. [2024-11-08 16:36:59,705 INFO L78 Accepts]: Start accepts. Automaton has 99279 states and 121507 transitions. Word has length 93 [2024-11-08 16:36:59,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:59,706 INFO L471 AbstractCegarLoop]: Abstraction has 99279 states and 121507 transitions. [2024-11-08 16:36:59,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:36:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 99279 states and 121507 transitions. [2024-11-08 16:36:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:36:59,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:36:59,717 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:36:59,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 16:36:59,717 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:36:59,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:36:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash -358271434, now seen corresponding path program 1 times [2024-11-08 16:36:59,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:36:59,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932758198] [2024-11-08 16:36:59,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:36:59,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:36:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:36:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:36:59,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:36:59,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932758198] [2024-11-08 16:36:59,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932758198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:59,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:59,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:36:59,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749849805] [2024-11-08 16:36:59,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:59,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:36:59,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:36:59,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:36:59,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:36:59,924 INFO L87 Difference]: Start difference. First operand 99279 states and 121507 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:00,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:00,780 INFO L93 Difference]: Finished difference Result 167709 states and 207346 transitions. [2024-11-08 16:37:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:37:00,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 16:37:00,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:01,001 INFO L225 Difference]: With dead ends: 167709 [2024-11-08 16:37:01,001 INFO L226 Difference]: Without dead ends: 130601 [2024-11-08 16:37:01,040 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 16:37:01,041 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 469 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:01,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 638 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:37:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130601 states. [2024-11-08 16:37:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130601 to 121179. [2024-11-08 16:37:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121179 states, 121178 states have (on average 1.219305484493885) internal successors, (147753), 121178 states have internal predecessors, (147753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121179 states to 121179 states and 147753 transitions. [2024-11-08 16:37:02,967 INFO L78 Accepts]: Start accepts. Automaton has 121179 states and 147753 transitions. Word has length 97 [2024-11-08 16:37:02,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:02,967 INFO L471 AbstractCegarLoop]: Abstraction has 121179 states and 147753 transitions. [2024-11-08 16:37:02,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 121179 states and 147753 transitions. [2024-11-08 16:37:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 16:37:02,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:02,982 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:37:02,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:37:02,983 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:37:02,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:02,984 INFO L85 PathProgramCache]: Analyzing trace with hash -319507895, now seen corresponding path program 1 times [2024-11-08 16:37:02,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:02,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519894074] [2024-11-08 16:37:02,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:02,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 16:37:03,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:03,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519894074] [2024-11-08 16:37:03,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519894074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:37:03,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:37:03,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:37:03,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170177289] [2024-11-08 16:37:03,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:37:03,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:37:03,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:37:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:37:03,234 INFO L87 Difference]: Start difference. First operand 121179 states and 147753 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 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 16:37:03,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:03,936 INFO L93 Difference]: Finished difference Result 171337 states and 210720 transitions. [2024-11-08 16:37:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:37:03,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 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 99 [2024-11-08 16:37:03,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:04,137 INFO L225 Difference]: With dead ends: 171337 [2024-11-08 16:37:04,137 INFO L226 Difference]: Without dead ends: 148453 [2024-11-08 16:37:04,177 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 16:37:04,178 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 458 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:04,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 641 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:37:04,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148453 states. [2024-11-08 16:37:06,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148453 to 139031. [2024-11-08 16:37:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139031 states, 139030 states have (on average 1.218780119398691) internal successors, (169447), 139030 states have internal predecessors, (169447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:07,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139031 states to 139031 states and 169447 transitions. [2024-11-08 16:37:07,157 INFO L78 Accepts]: Start accepts. Automaton has 139031 states and 169447 transitions. Word has length 99 [2024-11-08 16:37:07,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:07,157 INFO L471 AbstractCegarLoop]: Abstraction has 139031 states and 169447 transitions. [2024-11-08 16:37:07,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 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 16:37:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 139031 states and 169447 transitions. [2024-11-08 16:37:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:37:07,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:07,169 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:37:07,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 16:37:07,170 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:37:07,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:07,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2000663926, now seen corresponding path program 1 times [2024-11-08 16:37:07,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:07,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703973653] [2024-11-08 16:37:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:07,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 16:37:07,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703973653] [2024-11-08 16:37:07,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703973653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:37:07,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:37:07,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:37:07,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917411543] [2024-11-08 16:37:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:37:07,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:37:07,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:37:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:37:07,384 INFO L87 Difference]: Start difference. First operand 139031 states and 169447 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 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 16:37:08,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:08,111 INFO L93 Difference]: Finished difference Result 195034 states and 236277 transitions. [2024-11-08 16:37:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:37:08,111 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 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 101 [2024-11-08 16:37:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:08,910 INFO L225 Difference]: With dead ends: 195034 [2024-11-08 16:37:08,910 INFO L226 Difference]: Without dead ends: 169042 [2024-11-08 16:37:08,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:37:08,943 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1026 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:08,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 397 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:37:09,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169042 states. [2024-11-08 16:37:10,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169042 to 138977. [2024-11-08 16:37:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138977 states, 138976 states have (on average 1.2188219548699055) internal successors, (169387), 138976 states have internal predecessors, (169387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138977 states to 138977 states and 169387 transitions. [2024-11-08 16:37:11,276 INFO L78 Accepts]: Start accepts. Automaton has 138977 states and 169387 transitions. Word has length 101 [2024-11-08 16:37:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:11,276 INFO L471 AbstractCegarLoop]: Abstraction has 138977 states and 169387 transitions. [2024-11-08 16:37:11,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 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 16:37:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 138977 states and 169387 transitions. [2024-11-08 16:37:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 16:37:11,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:11,283 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:37:11,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 16:37:11,286 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:37:11,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:11,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1483304434, now seen corresponding path program 1 times [2024-11-08 16:37:11,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:11,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222340937] [2024-11-08 16:37:11,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:11,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:11,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222340937] [2024-11-08 16:37:11,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222340937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:37:11,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389631023] [2024-11-08 16:37:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:12,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:37:12,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:37:12,005 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:37:12,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:37:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:12,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:37:12,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:37:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:12,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:37:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:13,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389631023] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:37:13,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:37:13,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-08 16:37:13,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973187393] [2024-11-08 16:37:13,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:37:13,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 16:37:13,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:13,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 16:37:13,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:37:13,043 INFO L87 Difference]: Start difference. First operand 138977 states and 169387 transitions. Second operand has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 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 16:37:14,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:14,098 INFO L93 Difference]: Finished difference Result 277833 states and 338612 transitions. [2024-11-08 16:37:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:37:14,099 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 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 102 [2024-11-08 16:37:14,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:14,259 INFO L225 Difference]: With dead ends: 277833 [2024-11-08 16:37:14,259 INFO L226 Difference]: Without dead ends: 139246 [2024-11-08 16:37:14,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:37:14,319 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1345 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:14,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 795 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:37:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139246 states. [2024-11-08 16:37:16,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139246 to 124964. [2024-11-08 16:37:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124964 states, 124963 states have (on average 1.1966342037243023) internal successors, (149535), 124963 states have internal predecessors, (149535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124964 states to 124964 states and 149535 transitions. [2024-11-08 16:37:16,983 INFO L78 Accepts]: Start accepts. Automaton has 124964 states and 149535 transitions. Word has length 102 [2024-11-08 16:37:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:16,984 INFO L471 AbstractCegarLoop]: Abstraction has 124964 states and 149535 transitions. [2024-11-08 16:37:16,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 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 16:37:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 124964 states and 149535 transitions. [2024-11-08 16:37:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 16:37:16,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:16,996 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:37:17,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:37:17,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:37:17,197 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:37:17,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:17,198 INFO L85 PathProgramCache]: Analyzing trace with hash 505550524, now seen corresponding path program 1 times [2024-11-08 16:37:17,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:17,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010015468] [2024-11-08 16:37:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 16:37:17,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:17,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010015468] [2024-11-08 16:37:17,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010015468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:37:17,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:37:17,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:37:17,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524254740] [2024-11-08 16:37:17,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:37:17,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:37:17,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:37:17,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:37:17,383 INFO L87 Difference]: Start difference. First operand 124964 states and 149535 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:18,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:18,222 INFO L93 Difference]: Finished difference Result 219717 states and 262971 transitions. [2024-11-08 16:37:18,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:37:18,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 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 16:37:18,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:18,498 INFO L225 Difference]: With dead ends: 219717 [2024-11-08 16:37:18,498 INFO L226 Difference]: Without dead ends: 172201 [2024-11-08 16:37:19,261 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 16:37:19,262 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 133 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:19,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 486 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:37:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172201 states. [2024-11-08 16:37:21,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172201 to 143280. [2024-11-08 16:37:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143280 states, 143279 states have (on average 1.197879661360004) internal successors, (171631), 143279 states have internal predecessors, (171631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143280 states to 143280 states and 171631 transitions. [2024-11-08 16:37:21,474 INFO L78 Accepts]: Start accepts. Automaton has 143280 states and 171631 transitions. Word has length 105 [2024-11-08 16:37:21,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:21,474 INFO L471 AbstractCegarLoop]: Abstraction has 143280 states and 171631 transitions. [2024-11-08 16:37:21,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 143280 states and 171631 transitions. [2024-11-08 16:37:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 16:37:21,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:21,481 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:37:21,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 16:37:21,481 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:37:21,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:21,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2130195359, now seen corresponding path program 1 times [2024-11-08 16:37:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:21,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219938021] [2024-11-08 16:37:21,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:21,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219938021] [2024-11-08 16:37:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219938021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:37:23,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:37:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:37:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506779407] [2024-11-08 16:37:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:37:23,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:37:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:23,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:37:23,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:37:23,519 INFO L87 Difference]: Start difference. First operand 143280 states and 171631 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:24,918 INFO L93 Difference]: Finished difference Result 171794 states and 205764 transitions. [2024-11-08 16:37:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:37:24,919 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-08 16:37:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:25,100 INFO L225 Difference]: With dead ends: 171794 [2024-11-08 16:37:25,100 INFO L226 Difference]: Without dead ends: 136616 [2024-11-08 16:37:25,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:37:25,141 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1035 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:25,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1487 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:37:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136616 states. [2024-11-08 16:37:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136616 to 129756. [2024-11-08 16:37:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129756 states, 129755 states have (on average 1.1945820970290162) internal successors, (155003), 129755 states have internal predecessors, (155003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129756 states to 129756 states and 155003 transitions. [2024-11-08 16:37:28,480 INFO L78 Accepts]: Start accepts. Automaton has 129756 states and 155003 transitions. Word has length 105 [2024-11-08 16:37:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:28,480 INFO L471 AbstractCegarLoop]: Abstraction has 129756 states and 155003 transitions. [2024-11-08 16:37:28,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 129756 states and 155003 transitions. [2024-11-08 16:37:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 16:37:28,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:28,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:37:28,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 16:37:28,488 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-08 16:37:28,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash 306860753, now seen corresponding path program 1 times [2024-11-08 16:37:28,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:28,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795002852] [2024-11-08 16:37:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:28,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:29,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:29,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795002852] [2024-11-08 16:37:29,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795002852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:37:29,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923566601] [2024-11-08 16:37:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:29,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:37:29,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:37:29,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:37:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58c9ab1-760a-4ef4-a3af-360a3885854d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:37:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:29,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:37:29,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:37:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:31,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:37:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:37:32,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923566601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:37:32,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:37:32,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 35 [2024-11-08 16:37:32,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064955005] [2024-11-08 16:37:32,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:37:32,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-08 16:37:32,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:32,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-08 16:37:32,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 16:37:32,574 INFO L87 Difference]: Start difference. First operand 129756 states and 155003 transitions. Second operand has 35 states, 35 states have (on average 7.514285714285714) internal successors, (263), 35 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:37:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:35,582 INFO L93 Difference]: Finished difference Result 337614 states and 404838 transitions. [2024-11-08 16:37:35,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 16:37:35,583 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 7.514285714285714) internal successors, (263), 35 states have internal predecessors, (263), 0 states have call successors, (0), 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 16:37:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:36,431 INFO L225 Difference]: With dead ends: 337614 [2024-11-08 16:37:36,431 INFO L226 Difference]: Without dead ends: 284761 [2024-11-08 16:37:36,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=540, Invalid=3000, Unknown=0, NotChecked=0, Total=3540 [2024-11-08 16:37:36,459 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 2333 mSDsluCounter, 5771 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 6178 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:36,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 6178 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:37:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284761 states.