./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC --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 da0a9170cb1355df936e020ec31cd269723d3c83f610103689e93f9c7ac8eb3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:33:05,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:33:05,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:33:05,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:33:05,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:33:05,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:33:05,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:33:05,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:33:05,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:33:05,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:33:05,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:33:05,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:33:05,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:33:05,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:33:05,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:33:05,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:33:05,839 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:33:05,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:33:05,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:33:05,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:33:05,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:33:05,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:33:05,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:33:05,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:33:05,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:33:05,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:33:05,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:33:05,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:33:05,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:33:05,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:33:05,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:33:05,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:33:05,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:33:05,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:33:05,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:33:05,844 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC 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 -> da0a9170cb1355df936e020ec31cd269723d3c83f610103689e93f9c7ac8eb3a [2024-11-24 01:33:06,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:33:06,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:33:06,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:33:06,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:33:06,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:33:06,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-24 01:33:09,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/data/1d7f55743/34ea3cd1157a4a27a7b18d89fa169667/FLAGbd48029e9 [2024-11-24 01:33:09,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:33:09,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-24 01:33:09,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/data/1d7f55743/34ea3cd1157a4a27a7b18d89fa169667/FLAGbd48029e9 [2024-11-24 01:33:10,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/data/1d7f55743/34ea3cd1157a4a27a7b18d89fa169667 [2024-11-24 01:33:10,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:33:10,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:33:10,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:33:10,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:33:10,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:33:10,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:33:10" (1/1) ... [2024-11-24 01:33:10,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c85674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:10, skipping insertion in model container [2024-11-24 01:33:10,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:33:10" (1/1) ... [2024-11-24 01:33:10,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:33:10,770 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2024-11-24 01:33:10,788 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2024-11-24 01:33:10,802 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2024-11-24 01:33:10,813 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2024-11-24 01:33:10,876 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2024-11-24 01:33:10,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:33:10,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:33:11,056 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2024-11-24 01:33:11,063 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2024-11-24 01:33:11,074 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2024-11-24 01:33:11,088 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2024-11-24 01:33:11,149 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_dd39b6e7-ae74-43d2-928c-1a31baad63cd/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2024-11-24 01:33:11,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:33:11,226 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:33:11,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11 WrapperNode [2024-11-24 01:33:11,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:33:11,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:33:11,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:33:11,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:33:11,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,399 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1639 [2024-11-24 01:33:11,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:33:11,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:33:11,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:33:11,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:33:11,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,459 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]. [2024-11-24 01:33:11,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:33:11,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:33:11,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:33:11,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:33:11,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (1/1) ... [2024-11-24 01:33:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:33:11,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:33:11,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:33:11,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd39b6e7-ae74-43d2-928c-1a31baad63cd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:33:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:33:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:33:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:33:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:33:11,856 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:33:11,858 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:33:14,000 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-24 01:33:14,000 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:33:14,033 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:33:14,033 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:33:14,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:14 BoogieIcfgContainer [2024-11-24 01:33:14,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:33:14,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:33:14,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:33:14,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:33:14,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:33:10" (1/3) ... [2024-11-24 01:33:14,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243fc3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:33:14, skipping insertion in model container [2024-11-24 01:33:14,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:33:11" (2/3) ... [2024-11-24 01:33:14,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243fc3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:33:14, skipping insertion in model container [2024-11-24 01:33:14,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:33:14" (3/3) ... [2024-11-24 01:33:14,052 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-24 01:33:14,072 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:33:14,076 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 388 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-24 01:33:14,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:33:14,170 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;@8b638b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:33:14,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-24 01:33:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 382 states have (on average 1.824607329842932) internal successors, (697), 387 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 01:33:14,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:14,191 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:14,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:14,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1860790591, now seen corresponding path program 1 times [2024-11-24 01:33:14,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:14,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550557465] [2024-11-24 01:33:14,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:15,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:15,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550557465] [2024-11-24 01:33:15,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550557465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:15,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:15,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:15,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028803765] [2024-11-24 01:33:15,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:15,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:15,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:15,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:15,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:15,191 INFO L87 Difference]: Start difference. First operand has 388 states, 382 states have (on average 1.824607329842932) internal successors, (697), 387 states have internal predecessors, (697), 0 states have call successors, (0), 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 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:15,532 INFO L93 Difference]: Finished difference Result 717 states and 1276 transitions. [2024-11-24 01:33:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:15,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-11-24 01:33:15,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:15,553 INFO L225 Difference]: With dead ends: 717 [2024-11-24 01:33:15,553 INFO L226 Difference]: Without dead ends: 589 [2024-11-24 01:33:15,557 INFO L434 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 [2024-11-24 01:33:15,561 INFO L435 NwaCegarLoop]: 787 mSDtfsCounter, 424 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:15,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1246 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:33:15,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-24 01:33:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2024-11-24 01:33:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 582 states have (on average 1.4793814432989691) internal successors, (861), 586 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 861 transitions. [2024-11-24 01:33:15,648 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 861 transitions. Word has length 141 [2024-11-24 01:33:15,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:15,649 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 861 transitions. [2024-11-24 01:33:15,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 861 transitions. [2024-11-24 01:33:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 01:33:15,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:15,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:15,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:33:15,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:15,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1860359615, now seen corresponding path program 1 times [2024-11-24 01:33:15,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:15,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622989567] [2024-11-24 01:33:15,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:16,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622989567] [2024-11-24 01:33:16,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622989567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:16,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:16,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:16,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745307124] [2024-11-24 01:33:16,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:16,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:16,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:16,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:16,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:16,672 INFO L87 Difference]: Start difference. First operand 587 states and 861 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:16,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:16,911 INFO L93 Difference]: Finished difference Result 2254 states and 3288 transitions. [2024-11-24 01:33:16,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:16,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-11-24 01:33:16,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:16,919 INFO L225 Difference]: With dead ends: 2254 [2024-11-24 01:33:16,919 INFO L226 Difference]: Without dead ends: 1692 [2024-11-24 01:33:16,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:16,922 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 1057 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:16,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 1965 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:33:16,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-11-24 01:33:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1103. [2024-11-24 01:33:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 1098 states have (on average 1.4690346083788706) internal successors, (1613), 1102 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1613 transitions. [2024-11-24 01:33:17,009 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1613 transitions. Word has length 141 [2024-11-24 01:33:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:17,009 INFO L471 AbstractCegarLoop]: Abstraction has 1103 states and 1613 transitions. [2024-11-24 01:33:17,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1613 transitions. [2024-11-24 01:33:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-24 01:33:17,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:17,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:17,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:33:17,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:17,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:17,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1839649003, now seen corresponding path program 1 times [2024-11-24 01:33:17,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:17,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271310021] [2024-11-24 01:33:17,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:17,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:17,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:17,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271310021] [2024-11-24 01:33:17,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271310021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:17,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:17,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:17,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092658654] [2024-11-24 01:33:17,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:17,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:17,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:17,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:17,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:17,189 INFO L87 Difference]: Start difference. First operand 1103 states and 1613 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:17,249 INFO L93 Difference]: Finished difference Result 2180 states and 3182 transitions. [2024-11-24 01:33:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:17,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-24 01:33:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:17,256 INFO L225 Difference]: With dead ends: 2180 [2024-11-24 01:33:17,256 INFO L226 Difference]: Without dead ends: 1105 [2024-11-24 01:33:17,262 INFO L434 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 [2024-11-24 01:33:17,262 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 0 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:17,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1098 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2024-11-24 01:33:17,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2024-11-24 01:33:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1100 states have (on average 1.4681818181818183) internal successors, (1615), 1104 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1615 transitions. [2024-11-24 01:33:17,312 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1615 transitions. Word has length 142 [2024-11-24 01:33:17,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:17,312 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1615 transitions. [2024-11-24 01:33:17,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1615 transitions. [2024-11-24 01:33:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:33:17,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:17,316 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:17,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:33:17,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:17,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:17,317 INFO L85 PathProgramCache]: Analyzing trace with hash 734467803, now seen corresponding path program 1 times [2024-11-24 01:33:17,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:17,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784723353] [2024-11-24 01:33:17,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:17,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:17,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:17,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784723353] [2024-11-24 01:33:17,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784723353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:17,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:17,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:17,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53991207] [2024-11-24 01:33:17,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:17,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:17,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:17,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:17,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:17,502 INFO L87 Difference]: Start difference. First operand 1105 states and 1615 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:17,611 INFO L93 Difference]: Finished difference Result 3075 states and 4502 transitions. [2024-11-24 01:33:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-24 01:33:17,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:17,623 INFO L225 Difference]: With dead ends: 3075 [2024-11-24 01:33:17,624 INFO L226 Difference]: Without dead ends: 2146 [2024-11-24 01:33:17,625 INFO L434 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 [2024-11-24 01:33:17,627 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 478 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:17,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1520 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:17,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2024-11-24 01:33:17,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2108. [2024-11-24 01:33:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2108 states, 2103 states have (on average 1.4555397051830719) internal successors, (3061), 2107 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3061 transitions. [2024-11-24 01:33:17,704 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3061 transitions. Word has length 143 [2024-11-24 01:33:17,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:17,706 INFO L471 AbstractCegarLoop]: Abstraction has 2108 states and 3061 transitions. [2024-11-24 01:33:17,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3061 transitions. [2024-11-24 01:33:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:33:17,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:17,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:17,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:33:17,715 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:17,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1947336930, now seen corresponding path program 1 times [2024-11-24 01:33:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:17,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095896821] [2024-11-24 01:33:17,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:17,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:18,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:18,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095896821] [2024-11-24 01:33:18,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095896821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:18,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:18,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7428670] [2024-11-24 01:33:18,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:18,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:18,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:18,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:18,622 INFO L87 Difference]: Start difference. First operand 2108 states and 3061 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:18,680 INFO L93 Difference]: Finished difference Result 3559 states and 5175 transitions. [2024-11-24 01:33:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:18,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-24 01:33:18,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:18,687 INFO L225 Difference]: With dead ends: 3559 [2024-11-24 01:33:18,688 INFO L226 Difference]: Without dead ends: 1617 [2024-11-24 01:33:18,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:18,693 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 25 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:18,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1732 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:18,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-11-24 01:33:18,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1617. [2024-11-24 01:33:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1612 states have (on average 1.4491315136476426) internal successors, (2336), 1616 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2336 transitions. [2024-11-24 01:33:18,762 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2336 transitions. Word has length 143 [2024-11-24 01:33:18,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:18,762 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2336 transitions. [2024-11-24 01:33:18,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2336 transitions. [2024-11-24 01:33:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 01:33:18,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:18,766 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:18,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:33:18,767 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:18,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:18,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1943179396, now seen corresponding path program 1 times [2024-11-24 01:33:18,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:18,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250911250] [2024-11-24 01:33:18,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:18,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:19,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:19,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250911250] [2024-11-24 01:33:19,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250911250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:19,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:19,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:19,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471240033] [2024-11-24 01:33:19,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:19,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:19,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:19,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:19,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:19,485 INFO L87 Difference]: Start difference. First operand 1617 states and 2336 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:19,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:19,707 INFO L93 Difference]: Finished difference Result 3195 states and 4769 transitions. [2024-11-24 01:33:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:19,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-24 01:33:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:19,719 INFO L225 Difference]: With dead ends: 3195 [2024-11-24 01:33:19,719 INFO L226 Difference]: Without dead ends: 2613 [2024-11-24 01:33:19,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:19,722 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 876 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:19,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 986 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:33:19,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2024-11-24 01:33:19,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2611. [2024-11-24 01:33:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2606 states have (on average 1.4608595548733692) internal successors, (3807), 2610 states have internal predecessors, (3807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3807 transitions. [2024-11-24 01:33:19,812 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3807 transitions. Word has length 149 [2024-11-24 01:33:19,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:19,813 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3807 transitions. [2024-11-24 01:33:19,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3807 transitions. [2024-11-24 01:33:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 01:33:19,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:19,820 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:19,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:33:19,820 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:19,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1091266556, now seen corresponding path program 1 times [2024-11-24 01:33:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:19,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44396920] [2024-11-24 01:33:19,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:19,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:20,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:20,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44396920] [2024-11-24 01:33:20,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44396920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:20,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:20,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:20,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121527105] [2024-11-24 01:33:20,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:20,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:20,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:20,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:20,479 INFO L87 Difference]: Start difference. First operand 2611 states and 3807 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:20,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:20,719 INFO L93 Difference]: Finished difference Result 6766 states and 9838 transitions. [2024-11-24 01:33:20,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:33:20,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-24 01:33:20,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:20,739 INFO L225 Difference]: With dead ends: 6766 [2024-11-24 01:33:20,740 INFO L226 Difference]: Without dead ends: 4174 [2024-11-24 01:33:20,744 INFO L434 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 [2024-11-24 01:33:20,745 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 482 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:20,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 2050 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:20,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2024-11-24 01:33:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 4144. [2024-11-24 01:33:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4144 states, 4139 states have (on average 1.4406861560763469) internal successors, (5963), 4143 states have internal predecessors, (5963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 4144 states and 5963 transitions. [2024-11-24 01:33:20,913 INFO L78 Accepts]: Start accepts. Automaton has 4144 states and 5963 transitions. Word has length 149 [2024-11-24 01:33:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:20,914 INFO L471 AbstractCegarLoop]: Abstraction has 4144 states and 5963 transitions. [2024-11-24 01:33:20,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:20,915 INFO L276 IsEmpty]: Start isEmpty. Operand 4144 states and 5963 transitions. [2024-11-24 01:33:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 01:33:20,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:20,924 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:20,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:33:20,924 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:20,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:20,925 INFO L85 PathProgramCache]: Analyzing trace with hash 872222087, now seen corresponding path program 1 times [2024-11-24 01:33:20,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:20,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057995154] [2024-11-24 01:33:20,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:20,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:21,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:21,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057995154] [2024-11-24 01:33:21,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057995154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:21,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:21,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:21,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657482884] [2024-11-24 01:33:21,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:21,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:21,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:21,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:21,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:21,085 INFO L87 Difference]: Start difference. First operand 4144 states and 5963 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:21,165 INFO L93 Difference]: Finished difference Result 9045 states and 13014 transitions. [2024-11-24 01:33:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:21,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2024-11-24 01:33:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:21,189 INFO L225 Difference]: With dead ends: 9045 [2024-11-24 01:33:21,189 INFO L226 Difference]: Without dead ends: 5819 [2024-11-24 01:33:21,194 INFO L434 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 [2024-11-24 01:33:21,194 INFO L435 NwaCegarLoop]: 1001 mSDtfsCounter, 519 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:21,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1544 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:21,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5819 states. [2024-11-24 01:33:21,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5819 to 4144. [2024-11-24 01:33:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4144 states, 4139 states have (on average 1.440444551824112) internal successors, (5962), 4143 states have internal predecessors, (5962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 4144 states and 5962 transitions. [2024-11-24 01:33:21,401 INFO L78 Accepts]: Start accepts. Automaton has 4144 states and 5962 transitions. Word has length 150 [2024-11-24 01:33:21,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:21,401 INFO L471 AbstractCegarLoop]: Abstraction has 4144 states and 5962 transitions. [2024-11-24 01:33:21,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4144 states and 5962 transitions. [2024-11-24 01:33:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 01:33:21,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:21,407 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:21,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:33:21,408 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:21,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:21,408 INFO L85 PathProgramCache]: Analyzing trace with hash 332518950, now seen corresponding path program 1 times [2024-11-24 01:33:21,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:21,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299864707] [2024-11-24 01:33:21,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:21,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:21,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:21,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299864707] [2024-11-24 01:33:21,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299864707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:21,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:21,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003199174] [2024-11-24 01:33:21,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:21,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:21,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:21,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:21,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:21,586 INFO L87 Difference]: Start difference. First operand 4144 states and 5962 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:21,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:21,755 INFO L93 Difference]: Finished difference Result 10908 states and 15673 transitions. [2024-11-24 01:33:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:21,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-24 01:33:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:21,790 INFO L225 Difference]: With dead ends: 10908 [2024-11-24 01:33:21,794 INFO L226 Difference]: Without dead ends: 7095 [2024-11-24 01:33:21,799 INFO L434 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 [2024-11-24 01:33:21,801 INFO L435 NwaCegarLoop]: 1017 mSDtfsCounter, 470 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:21,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1513 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2024-11-24 01:33:21,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 7069. [2024-11-24 01:33:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7069 states, 7064 states have (on average 1.4166194790486977) internal successors, (10007), 7068 states have internal predecessors, (10007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7069 states to 7069 states and 10007 transitions. [2024-11-24 01:33:22,023 INFO L78 Accepts]: Start accepts. Automaton has 7069 states and 10007 transitions. Word has length 151 [2024-11-24 01:33:22,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:22,023 INFO L471 AbstractCegarLoop]: Abstraction has 7069 states and 10007 transitions. [2024-11-24 01:33:22,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7069 states and 10007 transitions. [2024-11-24 01:33:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 01:33:22,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:22,032 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:22,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:33:22,033 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:22,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:22,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1116979159, now seen corresponding path program 1 times [2024-11-24 01:33:22,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:22,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791716697] [2024-11-24 01:33:22,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:22,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:22,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791716697] [2024-11-24 01:33:22,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791716697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:22,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:22,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:22,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018135279] [2024-11-24 01:33:22,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:22,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:22,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:22,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:22,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:22,568 INFO L87 Difference]: Start difference. First operand 7069 states and 10007 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:22,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:22,871 INFO L93 Difference]: Finished difference Result 27281 states and 38473 transitions. [2024-11-24 01:33:22,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:22,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-24 01:33:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:22,937 INFO L225 Difference]: With dead ends: 27281 [2024-11-24 01:33:22,937 INFO L226 Difference]: Without dead ends: 20275 [2024-11-24 01:33:22,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:22,948 INFO L435 NwaCegarLoop]: 954 mSDtfsCounter, 1033 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:22,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1940 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:22,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20275 states. [2024-11-24 01:33:23,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20275 to 13621. [2024-11-24 01:33:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13621 states, 13616 states have (on average 1.4007784958871916) internal successors, (19073), 13620 states have internal predecessors, (19073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13621 states to 13621 states and 19073 transitions. [2024-11-24 01:33:23,494 INFO L78 Accepts]: Start accepts. Automaton has 13621 states and 19073 transitions. Word has length 151 [2024-11-24 01:33:23,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:23,495 INFO L471 AbstractCegarLoop]: Abstraction has 13621 states and 19073 transitions. [2024-11-24 01:33:23,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 13621 states and 19073 transitions. [2024-11-24 01:33:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 01:33:23,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:23,517 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:23,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:33:23,517 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:23,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:23,518 INFO L85 PathProgramCache]: Analyzing trace with hash 917589273, now seen corresponding path program 1 times [2024-11-24 01:33:23,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:23,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239390392] [2024-11-24 01:33:23,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:23,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:23,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239390392] [2024-11-24 01:33:23,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239390392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:23,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:23,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:23,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473052129] [2024-11-24 01:33:23,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:23,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:23,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:23,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:23,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:23,678 INFO L87 Difference]: Start difference. First operand 13621 states and 19073 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:23,875 INFO L93 Difference]: Finished difference Result 27134 states and 37995 transitions. [2024-11-24 01:33:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:23,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2024-11-24 01:33:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:23,915 INFO L225 Difference]: With dead ends: 27134 [2024-11-24 01:33:23,916 INFO L226 Difference]: Without dead ends: 13629 [2024-11-24 01:33:23,933 INFO L434 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 [2024-11-24 01:33:23,934 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 0 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:23,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1092 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:23,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13629 states. [2024-11-24 01:33:24,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13629 to 13629. [2024-11-24 01:33:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13629 states, 13624 states have (on average 1.4005431591309454) internal successors, (19081), 13628 states have internal predecessors, (19081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13629 states to 13629 states and 19081 transitions. [2024-11-24 01:33:24,320 INFO L78 Accepts]: Start accepts. Automaton has 13629 states and 19081 transitions. Word has length 152 [2024-11-24 01:33:24,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:24,321 INFO L471 AbstractCegarLoop]: Abstraction has 13629 states and 19081 transitions. [2024-11-24 01:33:24,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 13629 states and 19081 transitions. [2024-11-24 01:33:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 01:33:24,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:24,336 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:24,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:33:24,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:24,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:24,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2048196385, now seen corresponding path program 1 times [2024-11-24 01:33:24,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:24,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87394636] [2024-11-24 01:33:24,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:24,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:24,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:24,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87394636] [2024-11-24 01:33:24,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87394636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:24,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:24,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:24,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594667111] [2024-11-24 01:33:24,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:24,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:24,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:24,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:24,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:24,557 INFO L87 Difference]: Start difference. First operand 13629 states and 19081 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:24,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:24,808 INFO L93 Difference]: Finished difference Result 39246 states and 54902 transitions. [2024-11-24 01:33:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:24,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2024-11-24 01:33:24,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:24,876 INFO L225 Difference]: With dead ends: 39246 [2024-11-24 01:33:24,876 INFO L226 Difference]: Without dead ends: 26427 [2024-11-24 01:33:24,895 INFO L434 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 [2024-11-24 01:33:24,897 INFO L435 NwaCegarLoop]: 1027 mSDtfsCounter, 468 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:24,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1535 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26427 states. [2024-11-24 01:33:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26427 to 26370. [2024-11-24 01:33:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26370 states, 26365 states have (on average 1.3827422719514508) internal successors, (36456), 26369 states have internal predecessors, (36456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:25,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26370 states to 26370 states and 36456 transitions. [2024-11-24 01:33:25,682 INFO L78 Accepts]: Start accepts. Automaton has 26370 states and 36456 transitions. Word has length 153 [2024-11-24 01:33:25,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:25,683 INFO L471 AbstractCegarLoop]: Abstraction has 26370 states and 36456 transitions. [2024-11-24 01:33:25,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:25,683 INFO L276 IsEmpty]: Start isEmpty. Operand 26370 states and 36456 transitions. [2024-11-24 01:33:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 01:33:25,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:25,711 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:25,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:33:25,712 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:25,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:25,712 INFO L85 PathProgramCache]: Analyzing trace with hash 540544484, now seen corresponding path program 1 times [2024-11-24 01:33:25,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:25,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095163970] [2024-11-24 01:33:25,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:25,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:26,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:26,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095163970] [2024-11-24 01:33:26,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095163970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:26,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:26,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686126352] [2024-11-24 01:33:26,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:26,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:26,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:26,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:26,327 INFO L87 Difference]: Start difference. First operand 26370 states and 36456 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:26,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:26,596 INFO L93 Difference]: Finished difference Result 45834 states and 63410 transitions. [2024-11-24 01:33:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:26,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2024-11-24 01:33:26,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:26,646 INFO L225 Difference]: With dead ends: 45834 [2024-11-24 01:33:26,646 INFO L226 Difference]: Without dead ends: 20202 [2024-11-24 01:33:26,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:26,674 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 15 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:26,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1699 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:26,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20202 states. [2024-11-24 01:33:27,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20202 to 20202. [2024-11-24 01:33:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20202 states, 20197 states have (on average 1.3784720503045007) internal successors, (27841), 20201 states have internal predecessors, (27841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20202 states to 20202 states and 27841 transitions. [2024-11-24 01:33:27,268 INFO L78 Accepts]: Start accepts. Automaton has 20202 states and 27841 transitions. Word has length 153 [2024-11-24 01:33:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:27,269 INFO L471 AbstractCegarLoop]: Abstraction has 20202 states and 27841 transitions. [2024-11-24 01:33:27,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20202 states and 27841 transitions. [2024-11-24 01:33:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 01:33:27,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:27,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:27,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:33:27,299 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:27,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:27,300 INFO L85 PathProgramCache]: Analyzing trace with hash 269300877, now seen corresponding path program 1 times [2024-11-24 01:33:27,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:27,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306832662] [2024-11-24 01:33:27,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:27,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:27,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306832662] [2024-11-24 01:33:27,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306832662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:27,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:27,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693934714] [2024-11-24 01:33:27,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:27,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:27,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:27,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:27,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:27,952 INFO L87 Difference]: Start difference. First operand 20202 states and 27841 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:28,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:28,283 INFO L93 Difference]: Finished difference Result 43820 states and 60511 transitions. [2024-11-24 01:33:28,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:28,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-24 01:33:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:28,359 INFO L225 Difference]: With dead ends: 43820 [2024-11-24 01:33:28,359 INFO L226 Difference]: Without dead ends: 26651 [2024-11-24 01:33:28,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:28,382 INFO L435 NwaCegarLoop]: 1224 mSDtfsCounter, 920 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:28,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 2622 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:28,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26651 states. [2024-11-24 01:33:29,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26651 to 26394. [2024-11-24 01:33:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26394 states, 26389 states have (on average 1.373488953730721) internal successors, (36245), 26393 states have internal predecessors, (36245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26394 states to 26394 states and 36245 transitions. [2024-11-24 01:33:29,106 INFO L78 Accepts]: Start accepts. Automaton has 26394 states and 36245 transitions. Word has length 159 [2024-11-24 01:33:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:29,106 INFO L471 AbstractCegarLoop]: Abstraction has 26394 states and 36245 transitions. [2024-11-24 01:33:29,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 26394 states and 36245 transitions. [2024-11-24 01:33:29,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 01:33:29,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:29,137 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:29,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:33:29,139 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:29,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1314619300, now seen corresponding path program 1 times [2024-11-24 01:33:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:29,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707534928] [2024-11-24 01:33:29,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:29,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:29,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:29,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707534928] [2024-11-24 01:33:29,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707534928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:29,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:29,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:29,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078750892] [2024-11-24 01:33:29,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:29,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:29,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:29,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:29,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:29,268 INFO L87 Difference]: Start difference. First operand 26394 states and 36245 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:29,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:29,538 INFO L93 Difference]: Finished difference Result 49342 states and 67925 transitions. [2024-11-24 01:33:29,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:29,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-24 01:33:29,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:29,618 INFO L225 Difference]: With dead ends: 49342 [2024-11-24 01:33:29,619 INFO L226 Difference]: Without dead ends: 36160 [2024-11-24 01:33:29,630 INFO L434 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 [2024-11-24 01:33:29,631 INFO L435 NwaCegarLoop]: 931 mSDtfsCounter, 516 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:29,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1472 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36160 states. [2024-11-24 01:33:30,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36160 to 26394. [2024-11-24 01:33:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26394 states, 26389 states have (on average 1.3733373754215772) internal successors, (36241), 26393 states have internal predecessors, (36241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26394 states to 26394 states and 36241 transitions. [2024-11-24 01:33:30,272 INFO L78 Accepts]: Start accepts. Automaton has 26394 states and 36241 transitions. Word has length 160 [2024-11-24 01:33:30,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:30,273 INFO L471 AbstractCegarLoop]: Abstraction has 26394 states and 36241 transitions. [2024-11-24 01:33:30,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 26394 states and 36241 transitions. [2024-11-24 01:33:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 01:33:30,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:30,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:30,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:33:30,300 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:30,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1351277290, now seen corresponding path program 1 times [2024-11-24 01:33:30,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:30,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342368128] [2024-11-24 01:33:30,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:30,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342368128] [2024-11-24 01:33:30,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342368128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:30,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:30,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:30,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277726299] [2024-11-24 01:33:30,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:30,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:30,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:30,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:30,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:30,881 INFO L87 Difference]: Start difference. First operand 26394 states and 36241 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:31,106 INFO L93 Difference]: Finished difference Result 35318 states and 48621 transitions. [2024-11-24 01:33:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:31,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2024-11-24 01:33:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:31,171 INFO L225 Difference]: With dead ends: 35318 [2024-11-24 01:33:31,171 INFO L226 Difference]: Without dead ends: 25219 [2024-11-24 01:33:31,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:31,185 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 9 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:31,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1688 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25219 states. [2024-11-24 01:33:31,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25219 to 25219. [2024-11-24 01:33:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25219 states, 25214 states have (on average 1.3749504243674149) internal successors, (34668), 25218 states have internal predecessors, (34668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25219 states to 25219 states and 34668 transitions. [2024-11-24 01:33:31,806 INFO L78 Accepts]: Start accepts. Automaton has 25219 states and 34668 transitions. Word has length 161 [2024-11-24 01:33:31,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:31,807 INFO L471 AbstractCegarLoop]: Abstraction has 25219 states and 34668 transitions. [2024-11-24 01:33:31,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 25219 states and 34668 transitions. [2024-11-24 01:33:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 01:33:32,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:32,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:32,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:33:32,001 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:32,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:32,003 INFO L85 PathProgramCache]: Analyzing trace with hash 98531594, now seen corresponding path program 1 times [2024-11-24 01:33:32,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:32,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279432706] [2024-11-24 01:33:32,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:32,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:32,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:32,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279432706] [2024-11-24 01:33:32,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279432706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:32,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:32,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:32,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247571396] [2024-11-24 01:33:32,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:32,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:32,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:32,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:32,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:32,130 INFO L87 Difference]: Start difference. First operand 25219 states and 34668 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:32,746 INFO L93 Difference]: Finished difference Result 71354 states and 98591 transitions. [2024-11-24 01:33:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-24 01:33:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:32,995 INFO L225 Difference]: With dead ends: 71354 [2024-11-24 01:33:32,995 INFO L226 Difference]: Without dead ends: 49052 [2024-11-24 01:33:33,006 INFO L434 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 [2024-11-24 01:33:33,007 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 457 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:33,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 873 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:33:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49052 states. [2024-11-24 01:33:33,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49052 to 48986. [2024-11-24 01:33:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48986 states, 48981 states have (on average 1.3655703231865417) internal successors, (66887), 48985 states have internal predecessors, (66887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48986 states to 48986 states and 66887 transitions. [2024-11-24 01:33:33,771 INFO L78 Accepts]: Start accepts. Automaton has 48986 states and 66887 transitions. Word has length 165 [2024-11-24 01:33:33,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:33,771 INFO L471 AbstractCegarLoop]: Abstraction has 48986 states and 66887 transitions. [2024-11-24 01:33:33,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 48986 states and 66887 transitions. [2024-11-24 01:33:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 01:33:33,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:33,802 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:33,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:33:33,803 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:33,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:33,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1608136879, now seen corresponding path program 1 times [2024-11-24 01:33:33,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994032179] [2024-11-24 01:33:33,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:35,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994032179] [2024-11-24 01:33:35,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994032179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:35,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:35,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:33:35,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118052639] [2024-11-24 01:33:35,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:35,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:33:35,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:35,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:33:35,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:33:35,056 INFO L87 Difference]: Start difference. First operand 48986 states and 66887 transitions. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:35,894 INFO L93 Difference]: Finished difference Result 63867 states and 90121 transitions. [2024-11-24 01:33:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:35,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-24 01:33:35,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:35,968 INFO L225 Difference]: With dead ends: 63867 [2024-11-24 01:33:35,968 INFO L226 Difference]: Without dead ends: 44297 [2024-11-24 01:33:35,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:33:35,985 INFO L435 NwaCegarLoop]: 521 mSDtfsCounter, 690 mSDsluCounter, 2670 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 3191 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:35,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 3191 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:33:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44297 states. [2024-11-24 01:33:36,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44297 to 44295. [2024-11-24 01:33:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44295 states, 44290 states have (on average 1.3358997516369384) internal successors, (59167), 44294 states have internal predecessors, (59167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44295 states to 44295 states and 59167 transitions. [2024-11-24 01:33:36,947 INFO L78 Accepts]: Start accepts. Automaton has 44295 states and 59167 transitions. Word has length 165 [2024-11-24 01:33:36,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:36,947 INFO L471 AbstractCegarLoop]: Abstraction has 44295 states and 59167 transitions. [2024-11-24 01:33:36,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 44295 states and 59167 transitions. [2024-11-24 01:33:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 01:33:36,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:36,979 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:36,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:33:36,979 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:36,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:36,980 INFO L85 PathProgramCache]: Analyzing trace with hash -554564590, now seen corresponding path program 1 times [2024-11-24 01:33:36,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:36,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487923542] [2024-11-24 01:33:36,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:36,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:37,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:37,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487923542] [2024-11-24 01:33:37,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487923542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:37,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:37,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:37,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576791392] [2024-11-24 01:33:37,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:37,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:37,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:37,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:37,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:37,627 INFO L87 Difference]: Start difference. First operand 44295 states and 59167 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:38,013 INFO L93 Difference]: Finished difference Result 67119 states and 89842 transitions. [2024-11-24 01:33:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:33:38,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-24 01:33:38,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:38,076 INFO L225 Difference]: With dead ends: 67119 [2024-11-24 01:33:38,076 INFO L226 Difference]: Without dead ends: 28683 [2024-11-24 01:33:38,096 INFO L434 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 [2024-11-24 01:33:38,097 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 477 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:38,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1584 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28683 states. [2024-11-24 01:33:38,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28683 to 28590. [2024-11-24 01:33:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28590 states, 28585 states have (on average 1.3416477173342662) internal successors, (38351), 28589 states have internal predecessors, (38351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28590 states to 28590 states and 38351 transitions. [2024-11-24 01:33:38,768 INFO L78 Accepts]: Start accepts. Automaton has 28590 states and 38351 transitions. Word has length 165 [2024-11-24 01:33:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:38,768 INFO L471 AbstractCegarLoop]: Abstraction has 28590 states and 38351 transitions. [2024-11-24 01:33:38,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:38,770 INFO L276 IsEmpty]: Start isEmpty. Operand 28590 states and 38351 transitions. [2024-11-24 01:33:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:33:38,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:38,797 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:38,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:33:38,798 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:38,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:38,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1156742285, now seen corresponding path program 1 times [2024-11-24 01:33:38,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:38,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454401934] [2024-11-24 01:33:38,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:38,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:38,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454401934] [2024-11-24 01:33:38,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454401934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:38,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:38,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:38,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371641762] [2024-11-24 01:33:38,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:38,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:38,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:38,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:38,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:38,949 INFO L87 Difference]: Start difference. First operand 28590 states and 38351 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:39,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:39,645 INFO L93 Difference]: Finished difference Result 75408 states and 102327 transitions. [2024-11-24 01:33:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:39,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-24 01:33:39,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:39,713 INFO L225 Difference]: With dead ends: 75408 [2024-11-24 01:33:39,713 INFO L226 Difference]: Without dead ends: 53191 [2024-11-24 01:33:39,733 INFO L434 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 [2024-11-24 01:33:39,736 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 435 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:39,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 907 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:33:39,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53191 states. [2024-11-24 01:33:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53191 to 53137. [2024-11-24 01:33:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53137 states, 53132 states have (on average 1.3408868478506362) internal successors, (71244), 53136 states have internal predecessors, (71244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53137 states to 53137 states and 71244 transitions. [2024-11-24 01:33:40,675 INFO L78 Accepts]: Start accepts. Automaton has 53137 states and 71244 transitions. Word has length 167 [2024-11-24 01:33:40,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:40,676 INFO L471 AbstractCegarLoop]: Abstraction has 53137 states and 71244 transitions. [2024-11-24 01:33:40,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 53137 states and 71244 transitions. [2024-11-24 01:33:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:33:40,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:40,919 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:40,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:33:40,919 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:40,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:40,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1293957512, now seen corresponding path program 1 times [2024-11-24 01:33:40,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:40,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928642191] [2024-11-24 01:33:40,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:41,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:41,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928642191] [2024-11-24 01:33:41,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928642191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:41,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:41,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:41,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069463653] [2024-11-24 01:33:41,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:41,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:41,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:41,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:41,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:41,291 INFO L87 Difference]: Start difference. First operand 53137 states and 71244 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:41,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:41,627 INFO L93 Difference]: Finished difference Result 112174 states and 150586 transitions. [2024-11-24 01:33:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:41,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-24 01:33:41,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:41,713 INFO L225 Difference]: With dead ends: 112174 [2024-11-24 01:33:41,713 INFO L226 Difference]: Without dead ends: 73484 [2024-11-24 01:33:41,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:41,743 INFO L435 NwaCegarLoop]: 917 mSDtfsCounter, 1035 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:41,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1874 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:41,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73484 states. [2024-11-24 01:33:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73484 to 53329. [2024-11-24 01:33:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53329 states, 53324 states have (on average 1.3403720651113944) internal successors, (71474), 53328 states have internal predecessors, (71474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53329 states to 53329 states and 71474 transitions. [2024-11-24 01:33:43,139 INFO L78 Accepts]: Start accepts. Automaton has 53329 states and 71474 transitions. Word has length 167 [2024-11-24 01:33:43,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:43,139 INFO L471 AbstractCegarLoop]: Abstraction has 53329 states and 71474 transitions. [2024-11-24 01:33:43,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 53329 states and 71474 transitions. [2024-11-24 01:33:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-24 01:33:43,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:43,172 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:43,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:33:43,173 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash -119597428, now seen corresponding path program 1 times [2024-11-24 01:33:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152188922] [2024-11-24 01:33:43,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:43,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:43,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152188922] [2024-11-24 01:33:43,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152188922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:43,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:43,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:43,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438724632] [2024-11-24 01:33:43,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:43,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:43,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:43,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:43,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:43,268 INFO L87 Difference]: Start difference. First operand 53329 states and 71474 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:43,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:43,515 INFO L93 Difference]: Finished difference Result 106066 states and 142259 transitions. [2024-11-24 01:33:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:43,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2024-11-24 01:33:43,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:43,584 INFO L225 Difference]: With dead ends: 106066 [2024-11-24 01:33:43,585 INFO L226 Difference]: Without dead ends: 53345 [2024-11-24 01:33:43,615 INFO L434 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 [2024-11-24 01:33:43,617 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 0 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:43,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1082 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:43,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53345 states. [2024-11-24 01:33:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53345 to 53345. [2024-11-24 01:33:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53345 states, 53340 states have (on average 1.3402699662542181) internal successors, (71490), 53344 states have internal predecessors, (71490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53345 states to 53345 states and 71490 transitions. [2024-11-24 01:33:44,535 INFO L78 Accepts]: Start accepts. Automaton has 53345 states and 71490 transitions. Word has length 168 [2024-11-24 01:33:44,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:44,535 INFO L471 AbstractCegarLoop]: Abstraction has 53345 states and 71490 transitions. [2024-11-24 01:33:44,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 53345 states and 71490 transitions. [2024-11-24 01:33:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 01:33:44,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:44,569 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:44,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 01:33:44,570 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:44,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash 414006733, now seen corresponding path program 1 times [2024-11-24 01:33:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:44,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637305320] [2024-11-24 01:33:44,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:44,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:45,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:45,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637305320] [2024-11-24 01:33:45,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637305320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:45,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:45,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:45,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704700553] [2024-11-24 01:33:45,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:45,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:33:45,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:45,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:33:45,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:33:45,071 INFO L87 Difference]: Start difference. First operand 53345 states and 71490 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:45,520 INFO L93 Difference]: Finished difference Result 87414 states and 118476 transitions. [2024-11-24 01:33:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:33:45,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-24 01:33:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:45,570 INFO L225 Difference]: With dead ends: 87414 [2024-11-24 01:33:45,570 INFO L226 Difference]: Without dead ends: 37340 [2024-11-24 01:33:45,597 INFO L434 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 [2024-11-24 01:33:45,599 INFO L435 NwaCegarLoop]: 409 mSDtfsCounter, 1453 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:45,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 495 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:33:45,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37340 states. [2024-11-24 01:33:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37340 to 28756. [2024-11-24 01:33:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28756 states, 28751 states have (on average 1.3238843866300303) internal successors, (38063), 28755 states have internal predecessors, (38063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28756 states to 28756 states and 38063 transitions. [2024-11-24 01:33:46,289 INFO L78 Accepts]: Start accepts. Automaton has 28756 states and 38063 transitions. Word has length 169 [2024-11-24 01:33:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:46,290 INFO L471 AbstractCegarLoop]: Abstraction has 28756 states and 38063 transitions. [2024-11-24 01:33:46,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 28756 states and 38063 transitions. [2024-11-24 01:33:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 01:33:46,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:46,308 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:46,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 01:33:46,308 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:46,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:46,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1444044968, now seen corresponding path program 1 times [2024-11-24 01:33:46,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:46,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147344256] [2024-11-24 01:33:46,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:46,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:46,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:46,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:46,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147344256] [2024-11-24 01:33:46,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147344256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:46,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:46,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:46,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543202921] [2024-11-24 01:33:46,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:46,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:46,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:46,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:46,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:46,777 INFO L87 Difference]: Start difference. First operand 28756 states and 38063 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:47,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:47,072 INFO L93 Difference]: Finished difference Result 52674 states and 71264 transitions. [2024-11-24 01:33:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:47,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-24 01:33:47,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:47,123 INFO L225 Difference]: With dead ends: 52674 [2024-11-24 01:33:47,123 INFO L226 Difference]: Without dead ends: 41243 [2024-11-24 01:33:47,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:47,141 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 852 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:47,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 936 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:33:47,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41243 states. [2024-11-24 01:33:47,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41243 to 41241. [2024-11-24 01:33:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41241 states, 41236 states have (on average 1.3044427199534387) internal successors, (53790), 41240 states have internal predecessors, (53790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41241 states to 41241 states and 53790 transitions. [2024-11-24 01:33:47,943 INFO L78 Accepts]: Start accepts. Automaton has 41241 states and 53790 transitions. Word has length 169 [2024-11-24 01:33:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:47,943 INFO L471 AbstractCegarLoop]: Abstraction has 41241 states and 53790 transitions. [2024-11-24 01:33:47,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 41241 states and 53790 transitions. [2024-11-24 01:33:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 01:33:47,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:47,962 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:47,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 01:33:47,962 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:47,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1157430736, now seen corresponding path program 1 times [2024-11-24 01:33:47,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:47,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005424266] [2024-11-24 01:33:47,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:47,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:48,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005424266] [2024-11-24 01:33:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005424266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:48,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:48,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:48,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610512902] [2024-11-24 01:33:48,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:48,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:48,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:48,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:48,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:48,290 INFO L87 Difference]: Start difference. First operand 41241 states and 53790 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:48,470 INFO L93 Difference]: Finished difference Result 71823 states and 93725 transitions. [2024-11-24 01:33:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:48,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-24 01:33:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:48,512 INFO L225 Difference]: With dead ends: 71823 [2024-11-24 01:33:48,512 INFO L226 Difference]: Without dead ends: 41966 [2024-11-24 01:33:48,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:48,531 INFO L435 NwaCegarLoop]: 918 mSDtfsCounter, 472 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:48,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1856 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41966 states. [2024-11-24 01:33:49,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41966 to 41561. [2024-11-24 01:33:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41561 states, 41556 states have (on average 1.303181249398402) internal successors, (54155), 41560 states have internal predecessors, (54155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41561 states to 41561 states and 54155 transitions. [2024-11-24 01:33:49,293 INFO L78 Accepts]: Start accepts. Automaton has 41561 states and 54155 transitions. Word has length 169 [2024-11-24 01:33:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:49,293 INFO L471 AbstractCegarLoop]: Abstraction has 41561 states and 54155 transitions. [2024-11-24 01:33:49,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 41561 states and 54155 transitions. [2024-11-24 01:33:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 01:33:49,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:49,312 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:49,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 01:33:49,312 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:49,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:49,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1236291671, now seen corresponding path program 1 times [2024-11-24 01:33:49,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:49,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206966900] [2024-11-24 01:33:49,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:49,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:49,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:49,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206966900] [2024-11-24 01:33:49,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206966900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:49,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:49,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:33:49,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311916830] [2024-11-24 01:33:49,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:49,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:33:49,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:49,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:33:49,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:49,677 INFO L87 Difference]: Start difference. First operand 41561 states and 54155 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:49,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:49,997 INFO L93 Difference]: Finished difference Result 77231 states and 100650 transitions. [2024-11-24 01:33:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:33:49,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-24 01:33:49,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:50,033 INFO L225 Difference]: With dead ends: 77231 [2024-11-24 01:33:50,033 INFO L226 Difference]: Without dead ends: 35970 [2024-11-24 01:33:50,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:33:50,052 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 4 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:50,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1642 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:50,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35970 states. [2024-11-24 01:33:50,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35970 to 35970. [2024-11-24 01:33:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35970 states, 35965 states have (on average 1.302599749756708) internal successors, (46848), 35969 states have internal predecessors, (46848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35970 states to 35970 states and 46848 transitions. [2024-11-24 01:33:50,522 INFO L78 Accepts]: Start accepts. Automaton has 35970 states and 46848 transitions. Word has length 169 [2024-11-24 01:33:50,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:50,522 INFO L471 AbstractCegarLoop]: Abstraction has 35970 states and 46848 transitions. [2024-11-24 01:33:50,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 35970 states and 46848 transitions. [2024-11-24 01:33:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 01:33:50,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:50,536 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:50,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 01:33:50,536 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:50,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash 362923219, now seen corresponding path program 1 times [2024-11-24 01:33:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897242751] [2024-11-24 01:33:50,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:50,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:50,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:50,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897242751] [2024-11-24 01:33:50,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897242751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:50,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:50,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:33:50,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089796305] [2024-11-24 01:33:50,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:50,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:33:50,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:50,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:33:50,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:33:50,624 INFO L87 Difference]: Start difference. First operand 35970 states and 46848 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:33:50,951 INFO L93 Difference]: Finished difference Result 78163 states and 101815 transitions. [2024-11-24 01:33:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:33:50,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2024-11-24 01:33:50,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:33:51,018 INFO L225 Difference]: With dead ends: 78163 [2024-11-24 01:33:51,019 INFO L226 Difference]: Without dead ends: 52302 [2024-11-24 01:33:51,035 INFO L434 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 [2024-11-24 01:33:51,036 INFO L435 NwaCegarLoop]: 949 mSDtfsCounter, 490 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:33:51,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1479 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:33:51,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52302 states. [2024-11-24 01:33:51,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52302 to 35973. [2024-11-24 01:33:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35973 states, 35968 states have (on average 1.3024076957295374) internal successors, (46845), 35972 states have internal predecessors, (46845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35973 states to 35973 states and 46845 transitions. [2024-11-24 01:33:51,799 INFO L78 Accepts]: Start accepts. Automaton has 35973 states and 46845 transitions. Word has length 170 [2024-11-24 01:33:51,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:33:51,799 INFO L471 AbstractCegarLoop]: Abstraction has 35973 states and 46845 transitions. [2024-11-24 01:33:51,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:33:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 35973 states and 46845 transitions. [2024-11-24 01:33:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:33:51,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:33:51,825 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:33:51,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 01:33:51,826 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:33:51,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:33:51,826 INFO L85 PathProgramCache]: Analyzing trace with hash -855174734, now seen corresponding path program 1 times [2024-11-24 01:33:51,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:33:51,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476430647] [2024-11-24 01:33:51,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:33:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:33:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:33:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:33:54,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:33:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476430647] [2024-11-24 01:33:54,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476430647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:33:54,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:33:54,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-24 01:33:54,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076558587] [2024-11-24 01:33:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:33:54,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:33:54,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:33:54,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:33:54,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:33:54,958 INFO L87 Difference]: Start difference. First operand 35973 states and 46845 transitions. Second operand has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:02,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:02,212 INFO L93 Difference]: Finished difference Result 54565 states and 73501 transitions. [2024-11-24 01:34:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-24 01:34:02,212 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:02,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:02,250 INFO L225 Difference]: With dead ends: 54565 [2024-11-24 01:34:02,250 INFO L226 Difference]: Without dead ends: 50145 [2024-11-24 01:34:02,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=399, Invalid=1407, Unknown=0, NotChecked=0, Total=1806 [2024-11-24 01:34:02,258 INFO L435 NwaCegarLoop]: 950 mSDtfsCounter, 5993 mSDsluCounter, 13121 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5993 SdHoareTripleChecker+Valid, 14071 SdHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:02,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5993 Valid, 14071 Invalid, 4773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 01:34:02,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50145 states. [2024-11-24 01:34:02,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50145 to 37339. [2024-11-24 01:34:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37339 states, 37334 states have (on average 1.2981196764343494) internal successors, (48464), 37338 states have internal predecessors, (48464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37339 states to 37339 states and 48464 transitions. [2024-11-24 01:34:02,685 INFO L78 Accepts]: Start accepts. Automaton has 37339 states and 48464 transitions. Word has length 171 [2024-11-24 01:34:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:02,686 INFO L471 AbstractCegarLoop]: Abstraction has 37339 states and 48464 transitions. [2024-11-24 01:34:02,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 37339 states and 48464 transitions. [2024-11-24 01:34:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:02,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:02,703 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:02,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 01:34:02,703 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:02,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:02,704 INFO L85 PathProgramCache]: Analyzing trace with hash -176781235, now seen corresponding path program 1 times [2024-11-24 01:34:02,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:02,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778187146] [2024-11-24 01:34:02,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:02,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778187146] [2024-11-24 01:34:03,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778187146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:03,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:03,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:34:03,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083720533] [2024-11-24 01:34:03,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:03,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:34:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:03,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:34:03,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:34:03,251 INFO L87 Difference]: Start difference. First operand 37339 states and 48464 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:03,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:03,601 INFO L93 Difference]: Finished difference Result 60997 states and 80239 transitions. [2024-11-24 01:34:03,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:03,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:03,632 INFO L225 Difference]: With dead ends: 60997 [2024-11-24 01:34:03,632 INFO L226 Difference]: Without dead ends: 25914 [2024-11-24 01:34:03,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:34:03,652 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 1427 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:03,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 728 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:34:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25914 states. [2024-11-24 01:34:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25914 to 20355. [2024-11-24 01:34:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20355 states, 20350 states have (on average 1.282014742014742) internal successors, (26089), 20354 states have internal predecessors, (26089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20355 states to 20355 states and 26089 transitions. [2024-11-24 01:34:03,936 INFO L78 Accepts]: Start accepts. Automaton has 20355 states and 26089 transitions. Word has length 171 [2024-11-24 01:34:03,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:03,936 INFO L471 AbstractCegarLoop]: Abstraction has 20355 states and 26089 transitions. [2024-11-24 01:34:03,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 20355 states and 26089 transitions. [2024-11-24 01:34:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:03,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:03,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:03,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 01:34:03,949 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:03,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1795637352, now seen corresponding path program 1 times [2024-11-24 01:34:03,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:03,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46668703] [2024-11-24 01:34:03,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:06,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:06,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46668703] [2024-11-24 01:34:06,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46668703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:06,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:06,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-24 01:34:06,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934353104] [2024-11-24 01:34:06,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:06,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 01:34:06,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:06,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 01:34:06,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:34:06,512 INFO L87 Difference]: Start difference. First operand 20355 states and 26089 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:14,460 INFO L93 Difference]: Finished difference Result 32688 states and 43444 transitions. [2024-11-24 01:34:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-24 01:34:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:14,481 INFO L225 Difference]: With dead ends: 32688 [2024-11-24 01:34:14,481 INFO L226 Difference]: Without dead ends: 31376 [2024-11-24 01:34:14,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=496, Invalid=1760, Unknown=0, NotChecked=0, Total=2256 [2024-11-24 01:34:14,488 INFO L435 NwaCegarLoop]: 1046 mSDtfsCounter, 4700 mSDsluCounter, 13735 mSDsCounter, 0 mSdLazyCounter, 4878 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4700 SdHoareTripleChecker+Valid, 14781 SdHoareTripleChecker+Invalid, 4958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:14,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4700 Valid, 14781 Invalid, 4958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [80 Valid, 4878 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:34:14,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31376 states. [2024-11-24 01:34:14,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31376 to 22200. [2024-11-24 01:34:14,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22200 states, 22195 states have (on average 1.2748366749267852) internal successors, (28295), 22199 states have internal predecessors, (28295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22200 states to 22200 states and 28295 transitions. [2024-11-24 01:34:14,722 INFO L78 Accepts]: Start accepts. Automaton has 22200 states and 28295 transitions. Word has length 171 [2024-11-24 01:34:14,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:14,722 INFO L471 AbstractCegarLoop]: Abstraction has 22200 states and 28295 transitions. [2024-11-24 01:34:14,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:14,722 INFO L276 IsEmpty]: Start isEmpty. Operand 22200 states and 28295 transitions. [2024-11-24 01:34:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:14,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:14,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:14,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 01:34:14,730 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:14,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:14,731 INFO L85 PathProgramCache]: Analyzing trace with hash 367317059, now seen corresponding path program 1 times [2024-11-24 01:34:14,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:14,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809894472] [2024-11-24 01:34:14,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:14,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:14,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:14,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809894472] [2024-11-24 01:34:14,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809894472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:14,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:14,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:34:14,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989662006] [2024-11-24 01:34:14,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:14,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:34:14,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:14,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:34:14,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:34:14,842 INFO L87 Difference]: Start difference. First operand 22200 states and 28295 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:15,326 INFO L93 Difference]: Finished difference Result 52519 states and 68017 transitions. [2024-11-24 01:34:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:34:15,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:15,352 INFO L225 Difference]: With dead ends: 52519 [2024-11-24 01:34:15,353 INFO L226 Difference]: Without dead ends: 38204 [2024-11-24 01:34:15,361 INFO L434 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 [2024-11-24 01:34:15,362 INFO L435 NwaCegarLoop]: 602 mSDtfsCounter, 343 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:15,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 1003 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:34:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38204 states. [2024-11-24 01:34:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38204 to 37686. [2024-11-24 01:34:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37686 states, 37681 states have (on average 1.2770892492237467) internal successors, (48122), 37685 states have internal predecessors, (48122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37686 states to 37686 states and 48122 transitions. [2024-11-24 01:34:15,712 INFO L78 Accepts]: Start accepts. Automaton has 37686 states and 48122 transitions. Word has length 171 [2024-11-24 01:34:15,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:15,712 INFO L471 AbstractCegarLoop]: Abstraction has 37686 states and 48122 transitions. [2024-11-24 01:34:15,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 37686 states and 48122 transitions. [2024-11-24 01:34:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:15,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:15,732 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:15,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 01:34:15,733 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:15,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:15,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1127609204, now seen corresponding path program 1 times [2024-11-24 01:34:15,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:15,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023381453] [2024-11-24 01:34:15,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:18,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:18,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023381453] [2024-11-24 01:34:18,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023381453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:18,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:18,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-24 01:34:18,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557409341] [2024-11-24 01:34:18,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:18,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 01:34:18,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:18,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 01:34:18,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:34:18,607 INFO L87 Difference]: Start difference. First operand 37686 states and 48122 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:25,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:25,533 INFO L93 Difference]: Finished difference Result 67970 states and 91703 transitions. [2024-11-24 01:34:25,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-24 01:34:25,534 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:25,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:25,579 INFO L225 Difference]: With dead ends: 67970 [2024-11-24 01:34:25,579 INFO L226 Difference]: Without dead ends: 63161 [2024-11-24 01:34:25,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-11-24 01:34:25,587 INFO L435 NwaCegarLoop]: 1155 mSDtfsCounter, 6106 mSDsluCounter, 13742 mSDsCounter, 0 mSdLazyCounter, 4814 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6106 SdHoareTripleChecker+Valid, 14897 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:25,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6106 Valid, 14897 Invalid, 4831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 4814 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 01:34:25,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63161 states. [2024-11-24 01:34:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63161 to 38418. [2024-11-24 01:34:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38418 states, 38413 states have (on average 1.2749850311092599) internal successors, (48976), 38417 states have internal predecessors, (48976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38418 states to 38418 states and 48976 transitions. [2024-11-24 01:34:26,260 INFO L78 Accepts]: Start accepts. Automaton has 38418 states and 48976 transitions. Word has length 171 [2024-11-24 01:34:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:26,261 INFO L471 AbstractCegarLoop]: Abstraction has 38418 states and 48976 transitions. [2024-11-24 01:34:26,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 38418 states and 48976 transitions. [2024-11-24 01:34:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:26,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:26,297 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:26,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 01:34:26,297 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:26,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:26,298 INFO L85 PathProgramCache]: Analyzing trace with hash 416227804, now seen corresponding path program 1 times [2024-11-24 01:34:26,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:26,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758314319] [2024-11-24 01:34:26,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:26,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:27,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:27,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758314319] [2024-11-24 01:34:27,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758314319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:27,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:27,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 01:34:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656566395] [2024-11-24 01:34:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:27,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:34:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:27,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:34:27,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:34:27,522 INFO L87 Difference]: Start difference. First operand 38418 states and 48976 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:29,771 INFO L93 Difference]: Finished difference Result 105045 states and 140855 transitions. [2024-11-24 01:34:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 01:34:29,772 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:29,876 INFO L225 Difference]: With dead ends: 105045 [2024-11-24 01:34:29,876 INFO L226 Difference]: Without dead ends: 96768 [2024-11-24 01:34:29,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=445, Invalid=1277, Unknown=0, NotChecked=0, Total=1722 [2024-11-24 01:34:29,901 INFO L435 NwaCegarLoop]: 1084 mSDtfsCounter, 5761 mSDsluCounter, 8949 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5761 SdHoareTripleChecker+Valid, 10033 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:29,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5761 Valid, 10033 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 01:34:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96768 states. [2024-11-24 01:34:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96768 to 45872. [2024-11-24 01:34:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45872 states, 45867 states have (on average 1.2551071576514705) internal successors, (57568), 45871 states have internal predecessors, (57568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45872 states to 45872 states and 57568 transitions. [2024-11-24 01:34:31,015 INFO L78 Accepts]: Start accepts. Automaton has 45872 states and 57568 transitions. Word has length 171 [2024-11-24 01:34:31,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:31,016 INFO L471 AbstractCegarLoop]: Abstraction has 45872 states and 57568 transitions. [2024-11-24 01:34:31,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 45872 states and 57568 transitions. [2024-11-24 01:34:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:31,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:31,036 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:31,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-24 01:34:31,036 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:31,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:31,037 INFO L85 PathProgramCache]: Analyzing trace with hash 899792804, now seen corresponding path program 1 times [2024-11-24 01:34:31,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:31,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435365827] [2024-11-24 01:34:31,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:31,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:33,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:33,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435365827] [2024-11-24 01:34:33,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435365827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:33,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:33,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-24 01:34:33,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036048367] [2024-11-24 01:34:33,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:33,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:34:33,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:33,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:34:33,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:34:33,745 INFO L87 Difference]: Start difference. First operand 45872 states and 57568 transitions. Second operand has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:44,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:44,950 INFO L93 Difference]: Finished difference Result 111375 states and 151608 transitions. [2024-11-24 01:34:44,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-24 01:34:44,951 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:44,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:45,033 INFO L225 Difference]: With dead ends: 111375 [2024-11-24 01:34:45,034 INFO L226 Difference]: Without dead ends: 106718 [2024-11-24 01:34:45,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1251 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1063, Invalid=4193, Unknown=0, NotChecked=0, Total=5256 [2024-11-24 01:34:45,045 INFO L435 NwaCegarLoop]: 1117 mSDtfsCounter, 5914 mSDsluCounter, 14286 mSDsCounter, 0 mSdLazyCounter, 4865 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5914 SdHoareTripleChecker+Valid, 15403 SdHoareTripleChecker+Invalid, 5061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 4865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:45,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5914 Valid, 15403 Invalid, 5061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [196 Valid, 4865 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-24 01:34:45,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106718 states. [2024-11-24 01:34:45,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106718 to 48158. [2024-11-24 01:34:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48158 states, 48153 states have (on average 1.2510539322575955) internal successors, (60242), 48157 states have internal predecessors, (60242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48158 states to 48158 states and 60242 transitions. [2024-11-24 01:34:46,002 INFO L78 Accepts]: Start accepts. Automaton has 48158 states and 60242 transitions. Word has length 171 [2024-11-24 01:34:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:46,003 INFO L471 AbstractCegarLoop]: Abstraction has 48158 states and 60242 transitions. [2024-11-24 01:34:46,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 48158 states and 60242 transitions. [2024-11-24 01:34:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:46,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:46,031 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:46,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-24 01:34:46,031 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:46,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:46,032 INFO L85 PathProgramCache]: Analyzing trace with hash -528527489, now seen corresponding path program 1 times [2024-11-24 01:34:46,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:46,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558271497] [2024-11-24 01:34:46,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:46,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:46,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:46,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558271497] [2024-11-24 01:34:46,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558271497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:46,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:46,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:34:46,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295704592] [2024-11-24 01:34:46,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:46,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:34:46,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:46,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:34:46,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:34:46,593 INFO L87 Difference]: Start difference. First operand 48158 states and 60242 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:46,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:46,882 INFO L93 Difference]: Finished difference Result 74687 states and 94708 transitions. [2024-11-24 01:34:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:34:46,883 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:46,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:46,907 INFO L225 Difference]: With dead ends: 74687 [2024-11-24 01:34:46,907 INFO L226 Difference]: Without dead ends: 33790 [2024-11-24 01:34:46,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:34:46,922 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 2250 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:46,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 683 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:34:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33790 states. [2024-11-24 01:34:47,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33790 to 29380. [2024-11-24 01:34:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29380 states, 29375 states have (on average 1.229991489361702) internal successors, (36131), 29379 states have internal predecessors, (36131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:47,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29380 states to 29380 states and 36131 transitions. [2024-11-24 01:34:47,390 INFO L78 Accepts]: Start accepts. Automaton has 29380 states and 36131 transitions. Word has length 171 [2024-11-24 01:34:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:47,390 INFO L471 AbstractCegarLoop]: Abstraction has 29380 states and 36131 transitions. [2024-11-24 01:34:47,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29380 states and 36131 transitions. [2024-11-24 01:34:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:47,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:47,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:47,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-24 01:34:47,412 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:47,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:47,413 INFO L85 PathProgramCache]: Analyzing trace with hash -538738303, now seen corresponding path program 1 times [2024-11-24 01:34:47,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:47,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323708612] [2024-11-24 01:34:47,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:48,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:48,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323708612] [2024-11-24 01:34:48,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323708612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:48,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:48,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:34:48,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040851146] [2024-11-24 01:34:48,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:48,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:34:48,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:48,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:34:48,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:34:48,487 INFO L87 Difference]: Start difference. First operand 29380 states and 36131 transitions. Second operand has 13 states, 13 states have (on average 13.153846153846153) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:49,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:34:49,889 INFO L93 Difference]: Finished difference Result 48199 states and 60276 transitions. [2024-11-24 01:34:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:34:49,890 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.153846153846153) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:34:49,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:34:49,917 INFO L225 Difference]: With dead ends: 48199 [2024-11-24 01:34:49,918 INFO L226 Difference]: Without dead ends: 44746 [2024-11-24 01:34:49,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:34:49,925 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 2578 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 6402 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:34:49,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 6402 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:34:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44746 states. [2024-11-24 01:34:50,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44746 to 35492. [2024-11-24 01:34:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35492 states, 35487 states have (on average 1.2192070335615859) internal successors, (43266), 35491 states have internal predecessors, (43266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35492 states to 35492 states and 43266 transitions. [2024-11-24 01:34:50,289 INFO L78 Accepts]: Start accepts. Automaton has 35492 states and 43266 transitions. Word has length 171 [2024-11-24 01:34:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:34:50,289 INFO L471 AbstractCegarLoop]: Abstraction has 35492 states and 43266 transitions. [2024-11-24 01:34:50,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.153846153846153) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:34:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 35492 states and 43266 transitions. [2024-11-24 01:34:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:34:50,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:34:50,309 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:34:50,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-24 01:34:50,309 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:34:50,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:34:50,310 INFO L85 PathProgramCache]: Analyzing trace with hash -888234575, now seen corresponding path program 1 times [2024-11-24 01:34:50,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:34:50,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079683105] [2024-11-24 01:34:50,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:34:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:34:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:34:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:34:52,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:34:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079683105] [2024-11-24 01:34:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079683105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:34:52,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:34:52,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-24 01:34:52,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345252382] [2024-11-24 01:34:52,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:34:52,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 01:34:52,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:34:52,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 01:34:52,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:34:52,740 INFO L87 Difference]: Start difference. First operand 35492 states and 43266 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:02,418 INFO L93 Difference]: Finished difference Result 79002 states and 104841 transitions. [2024-11-24 01:35:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-24 01:35:02,419 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:35:02,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:02,484 INFO L225 Difference]: With dead ends: 79002 [2024-11-24 01:35:02,484 INFO L226 Difference]: Without dead ends: 76599 [2024-11-24 01:35:02,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=720, Invalid=3312, Unknown=0, NotChecked=0, Total=4032 [2024-11-24 01:35:02,495 INFO L435 NwaCegarLoop]: 1372 mSDtfsCounter, 5253 mSDsluCounter, 18604 mSDsCounter, 0 mSdLazyCounter, 6144 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5253 SdHoareTripleChecker+Valid, 19976 SdHoareTripleChecker+Invalid, 6242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 6144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:02,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5253 Valid, 19976 Invalid, 6242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [98 Valid, 6144 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-24 01:35:02,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76599 states. [2024-11-24 01:35:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76599 to 38819. [2024-11-24 01:35:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38819 states, 38814 states have (on average 1.214948214561756) internal successors, (47157), 38818 states have internal predecessors, (47157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38819 states to 38819 states and 47157 transitions. [2024-11-24 01:35:03,306 INFO L78 Accepts]: Start accepts. Automaton has 38819 states and 47157 transitions. Word has length 171 [2024-11-24 01:35:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:03,307 INFO L471 AbstractCegarLoop]: Abstraction has 38819 states and 47157 transitions. [2024-11-24 01:35:03,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 38819 states and 47157 transitions. [2024-11-24 01:35:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:35:03,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:03,338 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:03,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-24 01:35:03,338 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:03,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:03,338 INFO L85 PathProgramCache]: Analyzing trace with hash 870629111, now seen corresponding path program 1 times [2024-11-24 01:35:03,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:03,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189185738] [2024-11-24 01:35:03,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:04,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:04,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189185738] [2024-11-24 01:35:04,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189185738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:04,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:04,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 01:35:04,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662958835] [2024-11-24 01:35:04,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:04,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:35:04,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:04,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:35:04,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:35:04,282 INFO L87 Difference]: Start difference. First operand 38819 states and 47157 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:06,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:06,338 INFO L93 Difference]: Finished difference Result 58888 states and 72762 transitions. [2024-11-24 01:35:06,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-24 01:35:06,338 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:35:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:06,375 INFO L225 Difference]: With dead ends: 58888 [2024-11-24 01:35:06,375 INFO L226 Difference]: Without dead ends: 55215 [2024-11-24 01:35:06,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=441, Invalid=1199, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 01:35:06,387 INFO L435 NwaCegarLoop]: 1043 mSDtfsCounter, 2977 mSDsluCounter, 8723 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 9766 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:06,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2977 Valid, 9766 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:35:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55215 states. [2024-11-24 01:35:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55215 to 48154. [2024-11-24 01:35:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48154 states, 48149 states have (on average 1.2047809923362893) internal successors, (58009), 48153 states have internal predecessors, (58009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48154 states to 48154 states and 58009 transitions. [2024-11-24 01:35:06,953 INFO L78 Accepts]: Start accepts. Automaton has 48154 states and 58009 transitions. Word has length 171 [2024-11-24 01:35:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:06,953 INFO L471 AbstractCegarLoop]: Abstraction has 48154 states and 58009 transitions. [2024-11-24 01:35:06,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 48154 states and 58009 transitions. [2024-11-24 01:35:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:35:06,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:06,977 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:06,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-24 01:35:06,978 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:06,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:06,978 INFO L85 PathProgramCache]: Analyzing trace with hash -871130332, now seen corresponding path program 1 times [2024-11-24 01:35:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:06,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954118935] [2024-11-24 01:35:06,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:07,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:07,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954118935] [2024-11-24 01:35:07,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954118935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:07,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:07,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 01:35:07,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059559930] [2024-11-24 01:35:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:07,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:35:07,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:07,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:35:07,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:35:07,772 INFO L87 Difference]: Start difference. First operand 48154 states and 58009 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:10,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:10,361 INFO L93 Difference]: Finished difference Result 98451 states and 123256 transitions. [2024-11-24 01:35:10,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 01:35:10,362 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:35:10,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:10,436 INFO L225 Difference]: With dead ends: 98451 [2024-11-24 01:35:10,436 INFO L226 Difference]: Without dead ends: 94998 [2024-11-24 01:35:10,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=445, Invalid=1277, Unknown=0, NotChecked=0, Total=1722 [2024-11-24 01:35:10,455 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 3879 mSDsluCounter, 10732 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 11955 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:10,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3879 Valid, 11955 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:35:10,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94998 states. [2024-11-24 01:35:11,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94998 to 55704. [2024-11-24 01:35:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55704 states, 55699 states have (on average 1.1987468356702993) internal successors, (66769), 55703 states have internal predecessors, (66769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55704 states to 55704 states and 66769 transitions. [2024-11-24 01:35:11,340 INFO L78 Accepts]: Start accepts. Automaton has 55704 states and 66769 transitions. Word has length 171 [2024-11-24 01:35:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:11,340 INFO L471 AbstractCegarLoop]: Abstraction has 55704 states and 66769 transitions. [2024-11-24 01:35:11,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 55704 states and 66769 transitions. [2024-11-24 01:35:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:35:11,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:11,383 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:11,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-24 01:35:11,383 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:11,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:11,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1221057580, now seen corresponding path program 1 times [2024-11-24 01:35:11,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:11,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883833386] [2024-11-24 01:35:11,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:11,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:13,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:13,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883833386] [2024-11-24 01:35:13,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883833386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:13,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:13,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-24 01:35:13,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301914024] [2024-11-24 01:35:13,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:13,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 01:35:13,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:13,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 01:35:13,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:35:13,771 INFO L87 Difference]: Start difference. First operand 55704 states and 66769 transitions. Second operand has 21 states, 21 states have (on average 8.142857142857142) internal successors, (171), 21 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:20,577 INFO L93 Difference]: Finished difference Result 74674 states and 91805 transitions. [2024-11-24 01:35:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-24 01:35:20,577 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.142857142857142) internal successors, (171), 21 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:35:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:20,638 INFO L225 Difference]: With dead ends: 74674 [2024-11-24 01:35:20,638 INFO L226 Difference]: Without dead ends: 66833 [2024-11-24 01:35:20,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2024-11-24 01:35:20,654 INFO L435 NwaCegarLoop]: 1155 mSDtfsCounter, 2570 mSDsluCounter, 12684 mSDsCounter, 0 mSdLazyCounter, 4536 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 13839 SdHoareTripleChecker+Invalid, 4544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:20,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 13839 Invalid, 4544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 4536 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:35:20,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66833 states. [2024-11-24 01:35:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66833 to 55640. [2024-11-24 01:35:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55640 states, 55635 states have (on average 1.1983283904017255) internal successors, (66669), 55639 states have internal predecessors, (66669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:21,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55640 states to 55640 states and 66669 transitions. [2024-11-24 01:35:21,851 INFO L78 Accepts]: Start accepts. Automaton has 55640 states and 66669 transitions. Word has length 171 [2024-11-24 01:35:21,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:21,851 INFO L471 AbstractCegarLoop]: Abstraction has 55640 states and 66669 transitions. [2024-11-24 01:35:21,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.142857142857142) internal successors, (171), 21 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 55640 states and 66669 transitions. [2024-11-24 01:35:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:35:21,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:21,889 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:21,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-24 01:35:21,889 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:21,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:21,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2106972469, now seen corresponding path program 1 times [2024-11-24 01:35:21,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:21,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985491771] [2024-11-24 01:35:21,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:21,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:23,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:23,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985491771] [2024-11-24 01:35:23,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985491771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:23,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:23,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-24 01:35:23,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124431032] [2024-11-24 01:35:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:23,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 01:35:23,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:23,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 01:35:23,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:35:23,771 INFO L87 Difference]: Start difference. First operand 55640 states and 66669 transitions. Second operand has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:33,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:33,677 INFO L93 Difference]: Finished difference Result 80020 states and 99373 transitions. [2024-11-24 01:35:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-24 01:35:33,677 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:35:33,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:33,728 INFO L225 Difference]: With dead ends: 80020 [2024-11-24 01:35:33,728 INFO L226 Difference]: Without dead ends: 76714 [2024-11-24 01:35:33,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1004, Invalid=4108, Unknown=0, NotChecked=0, Total=5112 [2024-11-24 01:35:33,737 INFO L435 NwaCegarLoop]: 1398 mSDtfsCounter, 5469 mSDsluCounter, 18309 mSDsCounter, 0 mSdLazyCounter, 5964 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5469 SdHoareTripleChecker+Valid, 19707 SdHoareTripleChecker+Invalid, 6121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 5964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:33,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5469 Valid, 19707 Invalid, 6121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [157 Valid, 5964 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-24 01:35:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76714 states. [2024-11-24 01:35:34,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76714 to 57944. [2024-11-24 01:35:34,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57944 states, 57939 states have (on average 1.193979875386182) internal successors, (69178), 57943 states have internal predecessors, (69178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57944 states to 57944 states and 69178 transitions. [2024-11-24 01:35:34,500 INFO L78 Accepts]: Start accepts. Automaton has 57944 states and 69178 transitions. Word has length 171 [2024-11-24 01:35:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:34,500 INFO L471 AbstractCegarLoop]: Abstraction has 57944 states and 69178 transitions. [2024-11-24 01:35:34,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 57944 states and 69178 transitions. [2024-11-24 01:35:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:35:34,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:34,539 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:34,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-24 01:35:34,539 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:34,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1638575699, now seen corresponding path program 1 times [2024-11-24 01:35:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:34,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888195530] [2024-11-24 01:35:34,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:36,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:36,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888195530] [2024-11-24 01:35:36,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888195530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:36,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:36,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-24 01:35:36,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873487810] [2024-11-24 01:35:36,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:36,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 01:35:36,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:36,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 01:35:36,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:35:36,603 INFO L87 Difference]: Start difference. First operand 57944 states and 69178 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:44,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:44,342 INFO L93 Difference]: Finished difference Result 72632 states and 89267 transitions. [2024-11-24 01:35:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-24 01:35:44,342 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-24 01:35:44,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:44,379 INFO L225 Difference]: With dead ends: 72632 [2024-11-24 01:35:44,379 INFO L226 Difference]: Without dead ends: 70896 [2024-11-24 01:35:44,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=795, Invalid=3237, Unknown=0, NotChecked=0, Total=4032 [2024-11-24 01:35:44,388 INFO L435 NwaCegarLoop]: 1187 mSDtfsCounter, 5340 mSDsluCounter, 14555 mSDsCounter, 0 mSdLazyCounter, 5124 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5340 SdHoareTripleChecker+Valid, 15742 SdHoareTripleChecker+Invalid, 5224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 5124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:44,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5340 Valid, 15742 Invalid, 5224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [100 Valid, 5124 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:35:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70896 states. [2024-11-24 01:35:44,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70896 to 59860. [2024-11-24 01:35:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59860 states, 59855 states have (on average 1.1926656085540055) internal successors, (71387), 59859 states have internal predecessors, (71387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59860 states to 59860 states and 71387 transitions. [2024-11-24 01:35:45,022 INFO L78 Accepts]: Start accepts. Automaton has 59860 states and 71387 transitions. Word has length 171 [2024-11-24 01:35:45,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:45,023 INFO L471 AbstractCegarLoop]: Abstraction has 59860 states and 71387 transitions. [2024-11-24 01:35:45,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 59860 states and 71387 transitions. [2024-11-24 01:35:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:35:45,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:45,059 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:45,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-24 01:35:45,059 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:45,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1774979606, now seen corresponding path program 1 times [2024-11-24 01:35:45,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:45,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223752005] [2024-11-24 01:35:45,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:45,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:45,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223752005] [2024-11-24 01:35:45,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223752005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:45,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:45,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:45,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882432084] [2024-11-24 01:35:45,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:45,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:45,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:45,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:45,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:45,111 INFO L87 Difference]: Start difference. First operand 59860 states and 71387 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:45,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:45,357 INFO L93 Difference]: Finished difference Result 95651 states and 114492 transitions. [2024-11-24 01:35:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:45,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-24 01:35:45,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:45,406 INFO L225 Difference]: With dead ends: 95651 [2024-11-24 01:35:45,407 INFO L226 Difference]: Without dead ends: 58804 [2024-11-24 01:35:45,427 INFO L434 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 [2024-11-24 01:35:45,428 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 427 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:45,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 559 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58804 states. [2024-11-24 01:35:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58804 to 57688. [2024-11-24 01:35:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57688 states, 57683 states have (on average 1.1858433160549902) internal successors, (68403), 57687 states have internal predecessors, (68403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57688 states to 57688 states and 68403 transitions. [2024-11-24 01:35:46,454 INFO L78 Accepts]: Start accepts. Automaton has 57688 states and 68403 transitions. Word has length 172 [2024-11-24 01:35:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:46,455 INFO L471 AbstractCegarLoop]: Abstraction has 57688 states and 68403 transitions. [2024-11-24 01:35:46,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 57688 states and 68403 transitions. [2024-11-24 01:35:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:35:46,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:46,491 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:46,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-24 01:35:46,491 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:46,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:46,492 INFO L85 PathProgramCache]: Analyzing trace with hash -801815001, now seen corresponding path program 1 times [2024-11-24 01:35:46,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:46,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250187392] [2024-11-24 01:35:46,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:46,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:46,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:46,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250187392] [2024-11-24 01:35:46,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250187392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:46,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:46,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:46,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009949384] [2024-11-24 01:35:46,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:46,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:46,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:46,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:46,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:46,580 INFO L87 Difference]: Start difference. First operand 57688 states and 68403 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:46,893 INFO L93 Difference]: Finished difference Result 79329 states and 95445 transitions. [2024-11-24 01:35:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:46,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-24 01:35:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:46,936 INFO L225 Difference]: With dead ends: 79329 [2024-11-24 01:35:46,936 INFO L226 Difference]: Without dead ends: 50212 [2024-11-24 01:35:46,954 INFO L434 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 [2024-11-24 01:35:46,954 INFO L435 NwaCegarLoop]: 473 mSDtfsCounter, 414 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:46,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 640 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:46,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50212 states. [2024-11-24 01:35:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50212 to 48112. [2024-11-24 01:35:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48112 states, 48107 states have (on average 1.1861683330908184) internal successors, (57063), 48111 states have internal predecessors, (57063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48112 states to 48112 states and 57063 transitions. [2024-11-24 01:35:47,744 INFO L78 Accepts]: Start accepts. Automaton has 48112 states and 57063 transitions. Word has length 172 [2024-11-24 01:35:47,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:47,744 INFO L471 AbstractCegarLoop]: Abstraction has 48112 states and 57063 transitions. [2024-11-24 01:35:47,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 48112 states and 57063 transitions. [2024-11-24 01:35:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:35:47,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:47,771 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:47,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-24 01:35:47,771 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:47,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1354314873, now seen corresponding path program 1 times [2024-11-24 01:35:47,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:47,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804371527] [2024-11-24 01:35:47,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:47,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804371527] [2024-11-24 01:35:47,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804371527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:47,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:47,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:47,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350948102] [2024-11-24 01:35:47,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:47,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:47,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:47,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:47,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:47,868 INFO L87 Difference]: Start difference. First operand 48112 states and 57063 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:48,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:48,105 INFO L93 Difference]: Finished difference Result 75356 states and 89639 transitions. [2024-11-24 01:35:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:48,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-24 01:35:48,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:48,137 INFO L225 Difference]: With dead ends: 75356 [2024-11-24 01:35:48,137 INFO L226 Difference]: Without dead ends: 44986 [2024-11-24 01:35:48,153 INFO L434 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 [2024-11-24 01:35:48,153 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 394 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:48,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 497 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44986 states. [2024-11-24 01:35:48,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44986 to 44882. [2024-11-24 01:35:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44882 states, 44877 states have (on average 1.181785769993538) internal successors, (53035), 44881 states have internal predecessors, (53035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44882 states to 44882 states and 53035 transitions. [2024-11-24 01:35:48,727 INFO L78 Accepts]: Start accepts. Automaton has 44882 states and 53035 transitions. Word has length 172 [2024-11-24 01:35:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:48,728 INFO L471 AbstractCegarLoop]: Abstraction has 44882 states and 53035 transitions. [2024-11-24 01:35:48,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 44882 states and 53035 transitions. [2024-11-24 01:35:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:35:48,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:48,749 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:48,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-24 01:35:48,750 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:48,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1688957006, now seen corresponding path program 1 times [2024-11-24 01:35:48,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:48,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157063737] [2024-11-24 01:35:48,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:48,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:48,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157063737] [2024-11-24 01:35:48,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157063737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:48,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:48,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:48,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417534169] [2024-11-24 01:35:48,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:48,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:48,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:48,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:48,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:48,833 INFO L87 Difference]: Start difference. First operand 44882 states and 53035 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:49,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:49,038 INFO L93 Difference]: Finished difference Result 62542 states and 74549 transitions. [2024-11-24 01:35:49,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:49,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-24 01:35:49,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:49,071 INFO L225 Difference]: With dead ends: 62542 [2024-11-24 01:35:49,071 INFO L226 Difference]: Without dead ends: 37362 [2024-11-24 01:35:49,082 INFO L434 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 [2024-11-24 01:35:49,083 INFO L435 NwaCegarLoop]: 419 mSDtfsCounter, 390 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:49,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 480 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37362 states. [2024-11-24 01:35:49,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37362 to 37258. [2024-11-24 01:35:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37258 states, 37253 states have (on average 1.1779722438461333) internal successors, (43883), 37257 states have internal predecessors, (43883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37258 states to 37258 states and 43883 transitions. [2024-11-24 01:35:49,602 INFO L78 Accepts]: Start accepts. Automaton has 37258 states and 43883 transitions. Word has length 172 [2024-11-24 01:35:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:49,602 INFO L471 AbstractCegarLoop]: Abstraction has 37258 states and 43883 transitions. [2024-11-24 01:35:49,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 37258 states and 43883 transitions. [2024-11-24 01:35:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:35:49,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:49,620 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:49,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-24 01:35:49,621 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:49,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash -992188547, now seen corresponding path program 1 times [2024-11-24 01:35:49,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:49,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868593632] [2024-11-24 01:35:49,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:49,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:49,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868593632] [2024-11-24 01:35:49,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868593632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:49,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:49,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:49,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542331944] [2024-11-24 01:35:49,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:49,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:49,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:49,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:49,697 INFO L87 Difference]: Start difference. First operand 37258 states and 43883 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:49,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:49,963 INFO L93 Difference]: Finished difference Result 61891 states and 73297 transitions. [2024-11-24 01:35:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:49,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-24 01:35:49,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:50,003 INFO L225 Difference]: With dead ends: 61891 [2024-11-24 01:35:50,003 INFO L226 Difference]: Without dead ends: 35418 [2024-11-24 01:35:50,019 INFO L434 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 [2024-11-24 01:35:50,019 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 388 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:50,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 537 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:50,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35418 states. [2024-11-24 01:35:50,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35418 to 34326. [2024-11-24 01:35:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34326 states, 34321 states have (on average 1.1726056933073046) internal successors, (40245), 34325 states have internal predecessors, (40245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34326 states to 34326 states and 40245 transitions. [2024-11-24 01:35:50,596 INFO L78 Accepts]: Start accepts. Automaton has 34326 states and 40245 transitions. Word has length 172 [2024-11-24 01:35:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:50,596 INFO L471 AbstractCegarLoop]: Abstraction has 34326 states and 40245 transitions. [2024-11-24 01:35:50,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34326 states and 40245 transitions. [2024-11-24 01:35:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:35:50,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:50,625 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:50,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-24 01:35:50,625 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:50,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:50,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2046818570, now seen corresponding path program 1 times [2024-11-24 01:35:50,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:50,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161424874] [2024-11-24 01:35:50,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:50,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:50,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:50,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161424874] [2024-11-24 01:35:50,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161424874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:50,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:50,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:50,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197382247] [2024-11-24 01:35:50,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:50,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:50,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:50,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:50,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:50,707 INFO L87 Difference]: Start difference. First operand 34326 states and 40245 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:50,926 INFO L93 Difference]: Finished difference Result 48430 states and 57938 transitions. [2024-11-24 01:35:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:50,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-24 01:35:50,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:50,952 INFO L225 Difference]: With dead ends: 48430 [2024-11-24 01:35:50,952 INFO L226 Difference]: Without dead ends: 29493 [2024-11-24 01:35:50,962 INFO L434 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 [2024-11-24 01:35:50,963 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 392 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:35:50,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 569 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:35:50,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29493 states. [2024-11-24 01:35:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29493 to 27541. [2024-11-24 01:35:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27541 states, 27536 states have (on average 1.1776583381754793) internal successors, (32428), 27540 states have internal predecessors, (32428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27541 states to 27541 states and 32428 transitions. [2024-11-24 01:35:51,340 INFO L78 Accepts]: Start accepts. Automaton has 27541 states and 32428 transitions. Word has length 172 [2024-11-24 01:35:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:51,340 INFO L471 AbstractCegarLoop]: Abstraction has 27541 states and 32428 transitions. [2024-11-24 01:35:51,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 27541 states and 32428 transitions. [2024-11-24 01:35:51,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-24 01:35:51,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:51,361 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:51,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-24 01:35:51,361 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-24 01:35:51,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:51,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2135132961, now seen corresponding path program 1 times [2024-11-24 01:35:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:51,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592968505] [2024-11-24 01:35:51,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:35:51,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:51,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592968505] [2024-11-24 01:35:51,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592968505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:51,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:51,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:35:51,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849870922] [2024-11-24 01:35:51,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:51,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:35:51,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:51,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:35:51,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:35:51,493 INFO L87 Difference]: Start difference. First operand 27541 states and 32428 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:35:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:51,632 INFO L93 Difference]: Finished difference Result 35288 states and 41444 transitions. [2024-11-24 01:35:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:35:51,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2024-11-24 01:35:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:51,665 INFO L225 Difference]: With dead ends: 35288 [2024-11-24 01:35:51,665 INFO L226 Difference]: Without dead ends: 27327 [2024-11-24 01:35:51,675 INFO L434 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 [2024-11-24 01:35:51,676 INFO L435 NwaCegarLoop]: 529 mSDtfsCounter, 346 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1001 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 [2024-11-24 01:35:51,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1001 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:35:51,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27327 states.