./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7853b3826176a0fe575c35877885ca2c640283bf6a2200e21b7819452b726d2c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:46:28,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:46:28,938 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:46:28,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:46:28,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:46:28,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:46:28,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:46:29,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:46:29,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:46:29,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:46:29,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:46:29,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:46:29,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:46:29,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:46:29,011 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:46:29,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:46:29,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:46:29,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:46:29,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:46:29,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:46:29,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:46:29,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:46:29,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:46:29,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:46:29,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:46:29,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:46:29,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:46:29,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:46:29,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:46:29,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:46:29,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:46:29,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:46:29,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:46:29,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:46:29,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:46:29,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:46:29,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:46:29,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:46:29,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:46:29,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:46:29,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:46:29,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:46:29,021 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7853b3826176a0fe575c35877885ca2c640283bf6a2200e21b7819452b726d2c [2024-11-22 02:46:29,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:46:29,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:46:29,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:46:29,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:46:29,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:46:29,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-22 02:46:31,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:46:31,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:46:31,484 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-22 02:46:31,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e77e83b/1b6dcb5ada074595827db183fc23df17/FLAGfba7b4bb0 [2024-11-22 02:46:31,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e77e83b/1b6dcb5ada074595827db183fc23df17 [2024-11-22 02:46:31,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:46:31,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:46:31,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:46:31,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:46:31,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:46:31,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:46:31" (1/1) ... [2024-11-22 02:46:31,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d3e270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:31, skipping insertion in model container [2024-11-22 02:46:31,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:46:31" (1/1) ... [2024-11-22 02:46:31,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:46:32,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2024-11-22 02:46:32,381 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2024-11-22 02:46:32,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2024-11-22 02:46:32,482 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2024-11-22 02:46:32,521 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2024-11-22 02:46:32,561 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2024-11-22 02:46:32,598 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2024-11-22 02:46:32,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:46:32,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:46:33,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2024-11-22 02:46:33,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2024-11-22 02:46:33,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2024-11-22 02:46:33,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2024-11-22 02:46:33,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2024-11-22 02:46:33,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2024-11-22 02:46:33,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2024-11-22 02:46:33,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:46:33,515 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:46:33,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33 WrapperNode [2024-11-22 02:46:33,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:46:33,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:46:33,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:46:33,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:46:33,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:33,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:33,850 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9849 [2024-11-22 02:46:33,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:46:33,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:46:33,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:46:33,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:46:33,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:33,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:33,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:33,954 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]. [2024-11-22 02:46:33,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:33,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:34,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:34,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:34,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:34,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:34,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:46:34,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:46:34,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:46:34,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:46:34,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (1/1) ... [2024-11-22 02:46:34,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:46:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:46:34,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:46:34,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:46:34,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:46:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:46:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:46:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:46:34,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:46:34,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:46:38,856 INFO L? ?]: Removed 1723 outVars from TransFormulas that were not future-live. [2024-11-22 02:46:38,856 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:46:38,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:46:38,900 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 02:46:38,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:38 BoogieIcfgContainer [2024-11-22 02:46:38,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:46:38,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:46:38,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:46:38,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:46:38,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:46:31" (1/3) ... [2024-11-22 02:46:38,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a75bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:46:38, skipping insertion in model container [2024-11-22 02:46:38,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:46:33" (2/3) ... [2024-11-22 02:46:38,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a75bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:46:38, skipping insertion in model container [2024-11-22 02:46:38,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:46:38" (3/3) ... [2024-11-22 02:46:38,908 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-22 02:46:38,922 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:46:38,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-22 02:46:39,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:46:39,018 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;@522d4472, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:46:39,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 02:46:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 2029 states, 2021 states have (on average 1.7986145472538346) internal successors, (3635), 2028 states have internal predecessors, (3635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 02:46:39,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:39,054 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:39,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:39,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:39,059 INFO L85 PathProgramCache]: Analyzing trace with hash -847729376, now seen corresponding path program 1 times [2024-11-22 02:46:39,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:39,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886394707] [2024-11-22 02:46:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:39,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:39,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886394707] [2024-11-22 02:46:39,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886394707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:39,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:39,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:46:39,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580468095] [2024-11-22 02:46:39,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:39,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:46:39,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:39,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:46:39,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:46:39,539 INFO L87 Difference]: Start difference. First operand has 2029 states, 2021 states have (on average 1.7986145472538346) internal successors, (3635), 2028 states have internal predecessors, (3635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:41,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:41,936 INFO L93 Difference]: Finished difference Result 3990 states and 7067 transitions. [2024-11-22 02:46:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:46:41,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-22 02:46:41,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:41,992 INFO L225 Difference]: With dead ends: 3990 [2024-11-22 02:46:41,992 INFO L226 Difference]: Without dead ends: 2653 [2024-11-22 02:46:42,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:46:42,005 INFO L432 NwaCegarLoop]: 1976 mSDtfsCounter, 12884 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12884 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:42,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12884 Valid, 2585 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-22 02:46:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-22 02:46:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2647. [2024-11-22 02:46:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2640 states have (on average 1.3321969696969698) internal successors, (3517), 2646 states have internal predecessors, (3517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3517 transitions. [2024-11-22 02:46:42,122 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3517 transitions. Word has length 64 [2024-11-22 02:46:42,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:42,123 INFO L471 AbstractCegarLoop]: Abstraction has 2647 states and 3517 transitions. [2024-11-22 02:46:42,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3517 transitions. [2024-11-22 02:46:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 02:46:42,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:42,129 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:42,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:46:42,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:42,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:42,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1467352586, now seen corresponding path program 1 times [2024-11-22 02:46:42,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:42,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391367485] [2024-11-22 02:46:42,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:42,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:42,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391367485] [2024-11-22 02:46:42,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391367485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:42,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:42,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:46:42,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065962179] [2024-11-22 02:46:42,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:42,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:46:42,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:42,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:46:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:46:42,283 INFO L87 Difference]: Start difference. First operand 2647 states and 3517 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:43,600 INFO L93 Difference]: Finished difference Result 4535 states and 6097 transitions. [2024-11-22 02:46:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:46:43,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-22 02:46:43,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:43,610 INFO L225 Difference]: With dead ends: 4535 [2024-11-22 02:46:43,611 INFO L226 Difference]: Without dead ends: 2930 [2024-11-22 02:46:43,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:46:43,614 INFO L432 NwaCegarLoop]: 1082 mSDtfsCounter, 7798 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7798 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:43,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7798 Valid, 1463 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 02:46:43,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-11-22 02:46:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2917. [2024-11-22 02:46:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2910 states have (on average 1.354639175257732) internal successors, (3942), 2916 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 3942 transitions. [2024-11-22 02:46:43,666 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 3942 transitions. Word has length 65 [2024-11-22 02:46:43,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:43,667 INFO L471 AbstractCegarLoop]: Abstraction has 2917 states and 3942 transitions. [2024-11-22 02:46:43,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3942 transitions. [2024-11-22 02:46:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 02:46:43,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:43,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:43,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:46:43,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:43,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:43,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1695427145, now seen corresponding path program 1 times [2024-11-22 02:46:43,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:43,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957140175] [2024-11-22 02:46:43,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:43,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:43,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:43,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957140175] [2024-11-22 02:46:43,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957140175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:43,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:43,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:46:43,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191428672] [2024-11-22 02:46:43,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:43,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:46:43,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:43,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:46:43,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:46:43,793 INFO L87 Difference]: Start difference. First operand 2917 states and 3942 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:45,014 INFO L93 Difference]: Finished difference Result 6144 states and 8391 transitions. [2024-11-22 02:46:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:46:45,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-22 02:46:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:45,027 INFO L225 Difference]: With dead ends: 6144 [2024-11-22 02:46:45,027 INFO L226 Difference]: Without dead ends: 4033 [2024-11-22 02:46:45,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:46:45,031 INFO L432 NwaCegarLoop]: 1036 mSDtfsCounter, 7612 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7612 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:45,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7612 Valid, 1434 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 02:46:45,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2024-11-22 02:46:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4019. [2024-11-22 02:46:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 4012 states have (on average 1.3504486540378864) internal successors, (5418), 4018 states have internal predecessors, (5418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5418 transitions. [2024-11-22 02:46:45,087 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5418 transitions. Word has length 65 [2024-11-22 02:46:45,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:45,088 INFO L471 AbstractCegarLoop]: Abstraction has 4019 states and 5418 transitions. [2024-11-22 02:46:45,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5418 transitions. [2024-11-22 02:46:45,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 02:46:45,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:45,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:45,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:46:45,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:45,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:45,092 INFO L85 PathProgramCache]: Analyzing trace with hash -113126011, now seen corresponding path program 1 times [2024-11-22 02:46:45,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:45,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989953809] [2024-11-22 02:46:45,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:45,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:45,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989953809] [2024-11-22 02:46:45,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989953809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:45,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:45,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:46:45,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724093853] [2024-11-22 02:46:45,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:45,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:46:45,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:45,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:46:45,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:46:45,460 INFO L87 Difference]: Start difference. First operand 4019 states and 5418 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:47,845 INFO L93 Difference]: Finished difference Result 5401 states and 7454 transitions. [2024-11-22 02:46:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:46:47,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-22 02:46:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:47,862 INFO L225 Difference]: With dead ends: 5401 [2024-11-22 02:46:47,863 INFO L226 Difference]: Without dead ends: 5396 [2024-11-22 02:46:47,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:46:47,867 INFO L432 NwaCegarLoop]: 1089 mSDtfsCounter, 7582 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 4887 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7582 SdHoareTripleChecker+Valid, 5047 SdHoareTripleChecker+Invalid, 4915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:47,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7582 Valid, 5047 Invalid, 4915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4887 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-22 02:46:47,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5396 states. [2024-11-22 02:46:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5396 to 4019. [2024-11-22 02:46:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 4012 states have (on average 1.3501994017946162) internal successors, (5417), 4018 states have internal predecessors, (5417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5417 transitions. [2024-11-22 02:46:48,093 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5417 transitions. Word has length 66 [2024-11-22 02:46:48,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:48,095 INFO L471 AbstractCegarLoop]: Abstraction has 4019 states and 5417 transitions. [2024-11-22 02:46:48,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5417 transitions. [2024-11-22 02:46:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 02:46:48,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:48,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:48,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:46:48,103 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:48,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash 333187054, now seen corresponding path program 1 times [2024-11-22 02:46:48,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:48,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982682255] [2024-11-22 02:46:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:48,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:48,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982682255] [2024-11-22 02:46:48,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982682255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:48,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:48,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 02:46:48,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479281176] [2024-11-22 02:46:48,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:48,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 02:46:48,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:48,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 02:46:48,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-22 02:46:48,857 INFO L87 Difference]: Start difference. First operand 4019 states and 5417 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:51,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:51,915 INFO L93 Difference]: Finished difference Result 5795 states and 7978 transitions. [2024-11-22 02:46:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:46:51,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-22 02:46:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:51,934 INFO L225 Difference]: With dead ends: 5795 [2024-11-22 02:46:51,935 INFO L226 Difference]: Without dead ends: 4978 [2024-11-22 02:46:51,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:46:51,946 INFO L432 NwaCegarLoop]: 1054 mSDtfsCounter, 9140 mSDsluCounter, 5335 mSDsCounter, 0 mSdLazyCounter, 6659 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9140 SdHoareTripleChecker+Valid, 6389 SdHoareTripleChecker+Invalid, 6669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 6659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:51,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9140 Valid, 6389 Invalid, 6669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 6659 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-22 02:46:51,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4978 states. [2024-11-22 02:46:52,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4978 to 4026. [2024-11-22 02:46:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4026 states, 4019 states have (on average 1.349589450111968) internal successors, (5424), 4025 states have internal predecessors, (5424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 4026 states and 5424 transitions. [2024-11-22 02:46:52,039 INFO L78 Accepts]: Start accepts. Automaton has 4026 states and 5424 transitions. Word has length 66 [2024-11-22 02:46:52,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:52,040 INFO L471 AbstractCegarLoop]: Abstraction has 4026 states and 5424 transitions. [2024-11-22 02:46:52,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4026 states and 5424 transitions. [2024-11-22 02:46:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 02:46:52,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:52,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:52,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:46:52,045 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:52,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:52,046 INFO L85 PathProgramCache]: Analyzing trace with hash 124822112, now seen corresponding path program 1 times [2024-11-22 02:46:52,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:52,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978072030] [2024-11-22 02:46:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:52,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:52,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978072030] [2024-11-22 02:46:52,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978072030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:52,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:52,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:46:52,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881276805] [2024-11-22 02:46:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:52,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:46:52,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:52,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:46:52,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:46:52,667 INFO L87 Difference]: Start difference. First operand 4026 states and 5424 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:54,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:54,353 INFO L93 Difference]: Finished difference Result 5475 states and 7546 transitions. [2024-11-22 02:46:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:46:54,356 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-22 02:46:54,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:54,379 INFO L225 Difference]: With dead ends: 5475 [2024-11-22 02:46:54,379 INFO L226 Difference]: Without dead ends: 4759 [2024-11-22 02:46:54,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:46:54,389 INFO L432 NwaCegarLoop]: 1963 mSDtfsCounter, 14378 mSDsluCounter, 11300 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14378 SdHoareTripleChecker+Valid, 13263 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:54,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14378 Valid, 13263 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:46:54,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4759 states. [2024-11-22 02:46:54,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4759 to 3970. [2024-11-22 02:46:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3970 states, 3964 states have (on average 1.3488900100908174) internal successors, (5347), 3969 states have internal predecessors, (5347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 3970 states and 5347 transitions. [2024-11-22 02:46:54,455 INFO L78 Accepts]: Start accepts. Automaton has 3970 states and 5347 transitions. Word has length 67 [2024-11-22 02:46:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:54,456 INFO L471 AbstractCegarLoop]: Abstraction has 3970 states and 5347 transitions. [2024-11-22 02:46:54,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3970 states and 5347 transitions. [2024-11-22 02:46:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 02:46:54,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:54,461 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:54,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:46:54,461 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:54,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash 400365220, now seen corresponding path program 1 times [2024-11-22 02:46:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105323422] [2024-11-22 02:46:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:54,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:54,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:54,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105323422] [2024-11-22 02:46:54,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105323422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:54,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:54,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:46:54,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482570816] [2024-11-22 02:46:54,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:54,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:46:54,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:54,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:46:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:46:54,583 INFO L87 Difference]: Start difference. First operand 3970 states and 5347 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:55,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:55,699 INFO L93 Difference]: Finished difference Result 7828 states and 10614 transitions. [2024-11-22 02:46:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:46:55,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-22 02:46:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:55,726 INFO L225 Difference]: With dead ends: 7828 [2024-11-22 02:46:55,727 INFO L226 Difference]: Without dead ends: 5212 [2024-11-22 02:46:55,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:46:55,732 INFO L432 NwaCegarLoop]: 883 mSDtfsCounter, 6411 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6411 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:55,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6411 Valid, 1216 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 02:46:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2024-11-22 02:46:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 5202. [2024-11-22 02:46:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5202 states, 5196 states have (on average 1.3525789068514242) internal successors, (7028), 5201 states have internal predecessors, (7028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 5202 states and 7028 transitions. [2024-11-22 02:46:55,912 INFO L78 Accepts]: Start accepts. Automaton has 5202 states and 7028 transitions. Word has length 67 [2024-11-22 02:46:55,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:55,913 INFO L471 AbstractCegarLoop]: Abstraction has 5202 states and 7028 transitions. [2024-11-22 02:46:55,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5202 states and 7028 transitions. [2024-11-22 02:46:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 02:46:55,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:55,928 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:55,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:46:55,928 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1973300712, now seen corresponding path program 1 times [2024-11-22 02:46:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330245052] [2024-11-22 02:46:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:46:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:46:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:46:56,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:46:56,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330245052] [2024-11-22 02:46:56,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330245052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:46:56,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:46:56,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:46:56,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5089505] [2024-11-22 02:46:56,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:46:56,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:46:56,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:46:56,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:46:56,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:46:56,869 INFO L87 Difference]: Start difference. First operand 5202 states and 7028 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:59,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:46:59,605 INFO L93 Difference]: Finished difference Result 9743 states and 13577 transitions. [2024-11-22 02:46:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 02:46:59,605 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-22 02:46:59,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:46:59,648 INFO L225 Difference]: With dead ends: 9743 [2024-11-22 02:46:59,652 INFO L226 Difference]: Without dead ends: 9739 [2024-11-22 02:46:59,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-22 02:46:59,668 INFO L432 NwaCegarLoop]: 1516 mSDtfsCounter, 9207 mSDsluCounter, 10186 mSDsCounter, 0 mSdLazyCounter, 2288 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9207 SdHoareTripleChecker+Valid, 11702 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:46:59,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9207 Valid, 11702 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2288 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 02:46:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9739 states. [2024-11-22 02:46:59,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9739 to 5198. [2024-11-22 02:46:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 5193 states have (on average 1.3523974581166955) internal successors, (7023), 5197 states have internal predecessors, (7023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 7023 transitions. [2024-11-22 02:46:59,946 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 7023 transitions. Word has length 67 [2024-11-22 02:46:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:46:59,946 INFO L471 AbstractCegarLoop]: Abstraction has 5198 states and 7023 transitions. [2024-11-22 02:46:59,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:46:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 7023 transitions. [2024-11-22 02:46:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 02:46:59,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:46:59,964 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:46:59,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:46:59,965 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:46:59,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:46:59,965 INFO L85 PathProgramCache]: Analyzing trace with hash -495050815, now seen corresponding path program 1 times [2024-11-22 02:46:59,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:46:59,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961604117] [2024-11-22 02:46:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:46:59,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:00,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:00,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961604117] [2024-11-22 02:47:00,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961604117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:00,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:00,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 02:47:00,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022677237] [2024-11-22 02:47:00,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:00,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 02:47:00,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:00,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 02:47:00,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 02:47:00,556 INFO L87 Difference]: Start difference. First operand 5198 states and 7023 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:02,920 INFO L93 Difference]: Finished difference Result 7843 states and 10860 transitions. [2024-11-22 02:47:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:47:02,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-11-22 02:47:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:02,930 INFO L225 Difference]: With dead ends: 7843 [2024-11-22 02:47:02,931 INFO L226 Difference]: Without dead ends: 6558 [2024-11-22 02:47:02,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:47:02,938 INFO L432 NwaCegarLoop]: 968 mSDtfsCounter, 6567 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6567 SdHoareTripleChecker+Valid, 5022 SdHoareTripleChecker+Invalid, 4927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:02,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6567 Valid, 5022 Invalid, 4927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 02:47:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6558 states. [2024-11-22 02:47:03,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 5151. [2024-11-22 02:47:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5146 states have (on average 1.351535172949864) internal successors, (6955), 5150 states have internal predecessors, (6955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 6955 transitions. [2024-11-22 02:47:03,024 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 6955 transitions. Word has length 68 [2024-11-22 02:47:03,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:03,026 INFO L471 AbstractCegarLoop]: Abstraction has 5151 states and 6955 transitions. [2024-11-22 02:47:03,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 6955 transitions. [2024-11-22 02:47:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 02:47:03,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:03,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:03,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:47:03,032 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:03,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:03,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1711266081, now seen corresponding path program 1 times [2024-11-22 02:47:03,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:03,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127869520] [2024-11-22 02:47:03,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:03,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:03,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:03,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127869520] [2024-11-22 02:47:03,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127869520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:03,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:03,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:03,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304306117] [2024-11-22 02:47:03,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:03,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:03,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:03,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:03,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:03,271 INFO L87 Difference]: Start difference. First operand 5151 states and 6955 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:05,596 INFO L93 Difference]: Finished difference Result 9034 states and 12598 transitions. [2024-11-22 02:47:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:47:05,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-22 02:47:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:05,616 INFO L225 Difference]: With dead ends: 9034 [2024-11-22 02:47:05,616 INFO L226 Difference]: Without dead ends: 9026 [2024-11-22 02:47:05,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:47:05,620 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 6356 mSDsluCounter, 3927 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 4915 SdHoareTripleChecker+Invalid, 4788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:05,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 4915 Invalid, 4788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 02:47:05,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9026 states. [2024-11-22 02:47:05,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 5151. [2024-11-22 02:47:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5146 states have (on average 1.3513408472600077) internal successors, (6954), 5150 states have internal predecessors, (6954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:05,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 6954 transitions. [2024-11-22 02:47:05,751 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 6954 transitions. Word has length 69 [2024-11-22 02:47:05,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:05,752 INFO L471 AbstractCegarLoop]: Abstraction has 5151 states and 6954 transitions. [2024-11-22 02:47:05,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 6954 transitions. [2024-11-22 02:47:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 02:47:05,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:05,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:05,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:47:05,760 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:05,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:05,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1460371581, now seen corresponding path program 1 times [2024-11-22 02:47:05,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:05,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309656423] [2024-11-22 02:47:05,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:05,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:06,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:06,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309656423] [2024-11-22 02:47:06,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309656423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:06,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:06,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:47:06,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159486088] [2024-11-22 02:47:06,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:06,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:47:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:06,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:47:06,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:47:06,327 INFO L87 Difference]: Start difference. First operand 5151 states and 6954 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:08,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:08,023 INFO L93 Difference]: Finished difference Result 10636 states and 14879 transitions. [2024-11-22 02:47:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 02:47:08,024 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-22 02:47:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:08,038 INFO L225 Difference]: With dead ends: 10636 [2024-11-22 02:47:08,039 INFO L226 Difference]: Without dead ends: 9348 [2024-11-22 02:47:08,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-22 02:47:08,045 INFO L432 NwaCegarLoop]: 1626 mSDtfsCounter, 10948 mSDsluCounter, 8236 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10948 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:08,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10948 Valid, 9862 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:47:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9348 states. [2024-11-22 02:47:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9348 to 5161. [2024-11-22 02:47:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5161 states, 5156 states have (on average 1.3512412723041116) internal successors, (6967), 5160 states have internal predecessors, (6967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 5161 states and 6967 transitions. [2024-11-22 02:47:08,128 INFO L78 Accepts]: Start accepts. Automaton has 5161 states and 6967 transitions. Word has length 69 [2024-11-22 02:47:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:08,128 INFO L471 AbstractCegarLoop]: Abstraction has 5161 states and 6967 transitions. [2024-11-22 02:47:08,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5161 states and 6967 transitions. [2024-11-22 02:47:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 02:47:08,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:08,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:08,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:47:08,135 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:08,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:08,135 INFO L85 PathProgramCache]: Analyzing trace with hash 928751966, now seen corresponding path program 1 times [2024-11-22 02:47:08,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:08,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964471871] [2024-11-22 02:47:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:08,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:08,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:08,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964471871] [2024-11-22 02:47:08,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964471871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:08,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:08,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:08,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388324279] [2024-11-22 02:47:08,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:08,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:08,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:08,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:08,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:08,448 INFO L87 Difference]: Start difference. First operand 5161 states and 6967 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:10,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:10,398 INFO L93 Difference]: Finished difference Result 8967 states and 12524 transitions. [2024-11-22 02:47:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:47:10,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-22 02:47:10,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:10,411 INFO L225 Difference]: With dead ends: 8967 [2024-11-22 02:47:10,411 INFO L226 Difference]: Without dead ends: 7714 [2024-11-22 02:47:10,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:47:10,417 INFO L432 NwaCegarLoop]: 984 mSDtfsCounter, 9148 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 3935 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9148 SdHoareTripleChecker+Valid, 3999 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:10,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9148 Valid, 3999 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3935 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-22 02:47:10,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7714 states. [2024-11-22 02:47:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7714 to 5161. [2024-11-22 02:47:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5161 states, 5156 states have (on average 1.3510473235065943) internal successors, (6966), 5160 states have internal predecessors, (6966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 5161 states and 6966 transitions. [2024-11-22 02:47:10,518 INFO L78 Accepts]: Start accepts. Automaton has 5161 states and 6966 transitions. Word has length 70 [2024-11-22 02:47:10,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:10,519 INFO L471 AbstractCegarLoop]: Abstraction has 5161 states and 6966 transitions. [2024-11-22 02:47:10,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5161 states and 6966 transitions. [2024-11-22 02:47:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 02:47:10,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:10,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:10,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:47:10,527 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:10,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:10,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1006800076, now seen corresponding path program 1 times [2024-11-22 02:47:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:10,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417665829] [2024-11-22 02:47:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:10,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:11,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:11,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417665829] [2024-11-22 02:47:11,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417665829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:11,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:11,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:47:11,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489411829] [2024-11-22 02:47:11,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:11,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:47:11,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:11,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:47:11,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:47:11,247 INFO L87 Difference]: Start difference. First operand 5161 states and 6966 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:12,801 INFO L93 Difference]: Finished difference Result 6457 states and 8775 transitions. [2024-11-22 02:47:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:47:12,801 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-22 02:47:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:12,811 INFO L225 Difference]: With dead ends: 6457 [2024-11-22 02:47:12,812 INFO L226 Difference]: Without dead ends: 6446 [2024-11-22 02:47:12,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:47:12,814 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 8178 mSDsluCounter, 9562 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8178 SdHoareTripleChecker+Valid, 11229 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:12,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8178 Valid, 11229 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 02:47:12,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6446 states. [2024-11-22 02:47:12,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6446 to 5155. [2024-11-22 02:47:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 5150 states have (on average 1.35126213592233) internal successors, (6959), 5154 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 6959 transitions. [2024-11-22 02:47:12,899 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 6959 transitions. Word has length 70 [2024-11-22 02:47:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:12,899 INFO L471 AbstractCegarLoop]: Abstraction has 5155 states and 6959 transitions. [2024-11-22 02:47:12,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 6959 transitions. [2024-11-22 02:47:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 02:47:12,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:12,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:12,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:47:12,906 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:12,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash -412310474, now seen corresponding path program 1 times [2024-11-22 02:47:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:12,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555997932] [2024-11-22 02:47:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:12,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:12,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555997932] [2024-11-22 02:47:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555997932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:12,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:12,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:12,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26453466] [2024-11-22 02:47:12,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:12,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:12,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:12,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:12,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:12,976 INFO L87 Difference]: Start difference. First operand 5155 states and 6959 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:13,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:13,180 INFO L93 Difference]: Finished difference Result 10242 states and 14008 transitions. [2024-11-22 02:47:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:13,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-22 02:47:13,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:13,190 INFO L225 Difference]: With dead ends: 10242 [2024-11-22 02:47:13,190 INFO L226 Difference]: Without dead ends: 6186 [2024-11-22 02:47:13,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:13,198 INFO L432 NwaCegarLoop]: 1550 mSDtfsCounter, 1551 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 2110 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:13,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 2110 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:47:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2024-11-22 02:47:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6176. [2024-11-22 02:47:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6176 states, 6172 states have (on average 1.3522359040829552) internal successors, (8346), 6175 states have internal predecessors, (8346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6176 states to 6176 states and 8346 transitions. [2024-11-22 02:47:13,281 INFO L78 Accepts]: Start accepts. Automaton has 6176 states and 8346 transitions. Word has length 70 [2024-11-22 02:47:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:13,281 INFO L471 AbstractCegarLoop]: Abstraction has 6176 states and 8346 transitions. [2024-11-22 02:47:13,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 6176 states and 8346 transitions. [2024-11-22 02:47:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 02:47:13,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:13,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:13,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:47:13,291 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:13,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:13,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2065139775, now seen corresponding path program 1 times [2024-11-22 02:47:13,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:13,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193871102] [2024-11-22 02:47:13,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:13,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:13,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:13,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193871102] [2024-11-22 02:47:13,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193871102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:13,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:13,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:13,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108354165] [2024-11-22 02:47:13,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:13,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:13,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:13,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:13,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:13,354 INFO L87 Difference]: Start difference. First operand 6176 states and 8346 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:13,475 INFO L93 Difference]: Finished difference Result 9910 states and 13829 transitions. [2024-11-22 02:47:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:13,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-22 02:47:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:13,485 INFO L225 Difference]: With dead ends: 9910 [2024-11-22 02:47:13,485 INFO L226 Difference]: Without dead ends: 5892 [2024-11-22 02:47:13,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:13,493 INFO L432 NwaCegarLoop]: 1242 mSDtfsCounter, 1198 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:13,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 1719 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2024-11-22 02:47:13,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 5888. [2024-11-22 02:47:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5888 states, 5886 states have (on average 1.385321100917431) internal successors, (8154), 5887 states have internal predecessors, (8154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5888 states and 8154 transitions. [2024-11-22 02:47:13,574 INFO L78 Accepts]: Start accepts. Automaton has 5888 states and 8154 transitions. Word has length 70 [2024-11-22 02:47:13,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:13,574 INFO L471 AbstractCegarLoop]: Abstraction has 5888 states and 8154 transitions. [2024-11-22 02:47:13,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5888 states and 8154 transitions. [2024-11-22 02:47:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 02:47:13,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:13,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:13,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:47:13,581 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:13,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash -366010450, now seen corresponding path program 1 times [2024-11-22 02:47:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:13,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607267695] [2024-11-22 02:47:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:13,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:13,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607267695] [2024-11-22 02:47:13,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607267695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:13,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:13,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 02:47:13,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691344444] [2024-11-22 02:47:13,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:13,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 02:47:13,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 02:47:13,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 02:47:13,833 INFO L87 Difference]: Start difference. First operand 5888 states and 8154 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:15,369 INFO L93 Difference]: Finished difference Result 10818 states and 15428 transitions. [2024-11-22 02:47:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:47:15,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-22 02:47:15,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:15,379 INFO L225 Difference]: With dead ends: 10818 [2024-11-22 02:47:15,379 INFO L226 Difference]: Without dead ends: 8056 [2024-11-22 02:47:15,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:47:15,385 INFO L432 NwaCegarLoop]: 672 mSDtfsCounter, 4643 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4643 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:15,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4643 Valid, 3523 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 02:47:15,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8056 states. [2024-11-22 02:47:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8056 to 5888. [2024-11-22 02:47:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5888 states, 5886 states have (on average 1.3851512062521236) internal successors, (8153), 5887 states have internal predecessors, (8153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5888 states and 8153 transitions. [2024-11-22 02:47:15,474 INFO L78 Accepts]: Start accepts. Automaton has 5888 states and 8153 transitions. Word has length 71 [2024-11-22 02:47:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:15,475 INFO L471 AbstractCegarLoop]: Abstraction has 5888 states and 8153 transitions. [2024-11-22 02:47:15,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5888 states and 8153 transitions. [2024-11-22 02:47:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 02:47:15,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:15,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:15,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:47:15,482 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:15,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:15,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2088289519, now seen corresponding path program 1 times [2024-11-22 02:47:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199080765] [2024-11-22 02:47:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:15,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:15,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199080765] [2024-11-22 02:47:15,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199080765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:15,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:15,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:15,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132152887] [2024-11-22 02:47:15,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:15,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:15,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:15,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:15,620 INFO L87 Difference]: Start difference. First operand 5888 states and 8153 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:15,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:15,686 INFO L93 Difference]: Finished difference Result 10066 states and 14614 transitions. [2024-11-22 02:47:15,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:15,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-22 02:47:15,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:15,695 INFO L225 Difference]: With dead ends: 10066 [2024-11-22 02:47:15,695 INFO L226 Difference]: Without dead ends: 6923 [2024-11-22 02:47:15,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:15,700 INFO L432 NwaCegarLoop]: 1276 mSDtfsCounter, 723 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:15,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1870 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:47:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6923 states. [2024-11-22 02:47:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 5595. [2024-11-22 02:47:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.414446629715716) internal successors, (7911), 5594 states have internal predecessors, (7911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7911 transitions. [2024-11-22 02:47:15,769 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7911 transitions. Word has length 71 [2024-11-22 02:47:15,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:15,769 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7911 transitions. [2024-11-22 02:47:15,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7911 transitions. [2024-11-22 02:47:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 02:47:15,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:15,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:15,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:47:15,775 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:15,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:15,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1698940947, now seen corresponding path program 1 times [2024-11-22 02:47:15,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:15,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447335732] [2024-11-22 02:47:15,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:15,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:16,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:16,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447335732] [2024-11-22 02:47:16,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447335732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:16,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:16,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:47:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37488937] [2024-11-22 02:47:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:16,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 02:47:16,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:16,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 02:47:16,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-22 02:47:16,273 INFO L87 Difference]: Start difference. First operand 5595 states and 7911 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:18,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:18,962 INFO L93 Difference]: Finished difference Result 8996 states and 12758 transitions. [2024-11-22 02:47:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 02:47:18,963 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-22 02:47:18,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:18,971 INFO L225 Difference]: With dead ends: 8996 [2024-11-22 02:47:18,972 INFO L226 Difference]: Without dead ends: 8004 [2024-11-22 02:47:18,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-11-22 02:47:18,975 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 4808 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 4479 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4808 SdHoareTripleChecker+Valid, 4671 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:18,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4808 Valid, 4671 Invalid, 4528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4479 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-22 02:47:18,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2024-11-22 02:47:19,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 5595. [2024-11-22 02:47:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.4140890398712676) internal successors, (7909), 5594 states have internal predecessors, (7909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7909 transitions. [2024-11-22 02:47:19,126 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7909 transitions. Word has length 71 [2024-11-22 02:47:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:19,127 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7909 transitions. [2024-11-22 02:47:19,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7909 transitions. [2024-11-22 02:47:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 02:47:19,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:19,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:19,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:47:19,134 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:19,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:19,135 INFO L85 PathProgramCache]: Analyzing trace with hash -55423323, now seen corresponding path program 1 times [2024-11-22 02:47:19,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:19,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203036186] [2024-11-22 02:47:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:19,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:19,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203036186] [2024-11-22 02:47:19,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203036186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:19,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:19,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:47:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768888666] [2024-11-22 02:47:19,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:19,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:47:19,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:47:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:47:19,637 INFO L87 Difference]: Start difference. First operand 5595 states and 7909 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:21,638 INFO L93 Difference]: Finished difference Result 7993 states and 11307 transitions. [2024-11-22 02:47:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 02:47:21,639 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-22 02:47:21,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:21,649 INFO L225 Difference]: With dead ends: 7993 [2024-11-22 02:47:21,649 INFO L226 Difference]: Without dead ends: 7139 [2024-11-22 02:47:21,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2024-11-22 02:47:21,654 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 3412 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:21,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3412 Valid, 4085 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-22 02:47:21,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7139 states. [2024-11-22 02:47:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7139 to 5595. [2024-11-22 02:47:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.4137314500268192) internal successors, (7907), 5594 states have internal predecessors, (7907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:21,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7907 transitions. [2024-11-22 02:47:21,732 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7907 transitions. Word has length 71 [2024-11-22 02:47:21,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:21,732 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7907 transitions. [2024-11-22 02:47:21,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7907 transitions. [2024-11-22 02:47:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 02:47:21,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:21,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:21,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:47:21,736 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:21,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:21,736 INFO L85 PathProgramCache]: Analyzing trace with hash -787185527, now seen corresponding path program 1 times [2024-11-22 02:47:21,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:21,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308353920] [2024-11-22 02:47:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:21,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:22,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:22,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308353920] [2024-11-22 02:47:22,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308353920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:22,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:22,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 02:47:22,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823683140] [2024-11-22 02:47:22,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:22,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 02:47:22,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:22,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 02:47:22,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-22 02:47:22,097 INFO L87 Difference]: Start difference. First operand 5595 states and 7907 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:23,871 INFO L93 Difference]: Finished difference Result 7830 states and 11184 transitions. [2024-11-22 02:47:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:47:23,872 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-22 02:47:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:23,877 INFO L225 Difference]: With dead ends: 7830 [2024-11-22 02:47:23,877 INFO L226 Difference]: Without dead ends: 6791 [2024-11-22 02:47:23,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:47:23,879 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 5190 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5190 SdHoareTripleChecker+Valid, 3866 SdHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:23,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5190 Valid, 3866 Invalid, 3562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3554 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-22 02:47:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6791 states. [2024-11-22 02:47:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6791 to 5595. [2024-11-22 02:47:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.413552655104595) internal successors, (7906), 5594 states have internal predecessors, (7906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7906 transitions. [2024-11-22 02:47:23,925 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7906 transitions. Word has length 71 [2024-11-22 02:47:23,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:23,926 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7906 transitions. [2024-11-22 02:47:23,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7906 transitions. [2024-11-22 02:47:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 02:47:23,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:23,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:23,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:47:23,929 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:23,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:23,929 INFO L85 PathProgramCache]: Analyzing trace with hash -672526792, now seen corresponding path program 1 times [2024-11-22 02:47:23,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:23,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346059401] [2024-11-22 02:47:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:23,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:23,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346059401] [2024-11-22 02:47:23,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346059401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:23,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:23,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:23,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645807609] [2024-11-22 02:47:23,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:23,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:23,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:23,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:23,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:23,991 INFO L87 Difference]: Start difference. First operand 5595 states and 7906 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:24,184 INFO L93 Difference]: Finished difference Result 12052 states and 17763 transitions. [2024-11-22 02:47:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:24,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-22 02:47:24,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:24,194 INFO L225 Difference]: With dead ends: 12052 [2024-11-22 02:47:24,195 INFO L226 Difference]: Without dead ends: 8145 [2024-11-22 02:47:24,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:24,200 INFO L432 NwaCegarLoop]: 1299 mSDtfsCounter, 742 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:24,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1848 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8145 states. [2024-11-22 02:47:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8145 to 8143. [2024-11-22 02:47:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8143 states, 8141 states have (on average 1.4463825082913646) internal successors, (11775), 8142 states have internal predecessors, (11775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8143 states to 8143 states and 11775 transitions. [2024-11-22 02:47:24,326 INFO L78 Accepts]: Start accepts. Automaton has 8143 states and 11775 transitions. Word has length 72 [2024-11-22 02:47:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:24,327 INFO L471 AbstractCegarLoop]: Abstraction has 8143 states and 11775 transitions. [2024-11-22 02:47:24,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8143 states and 11775 transitions. [2024-11-22 02:47:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 02:47:24,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:24,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:24,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:47:24,334 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:24,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:24,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1396973598, now seen corresponding path program 1 times [2024-11-22 02:47:24,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:24,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025567088] [2024-11-22 02:47:24,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:24,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:24,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025567088] [2024-11-22 02:47:24,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025567088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:24,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:24,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:24,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059234919] [2024-11-22 02:47:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:24,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:24,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:24,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:24,408 INFO L87 Difference]: Start difference. First operand 8143 states and 11775 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:24,537 INFO L93 Difference]: Finished difference Result 20657 states and 30470 transitions. [2024-11-22 02:47:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:24,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-22 02:47:24,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:24,557 INFO L225 Difference]: With dead ends: 20657 [2024-11-22 02:47:24,558 INFO L226 Difference]: Without dead ends: 13980 [2024-11-22 02:47:24,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:24,570 INFO L432 NwaCegarLoop]: 1375 mSDtfsCounter, 772 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:24,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2364 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:24,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13980 states. [2024-11-22 02:47:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13980 to 13978. [2024-11-22 02:47:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13978 states, 13976 states have (on average 1.4471951917572983) internal successors, (20226), 13977 states have internal predecessors, (20226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13978 states to 13978 states and 20226 transitions. [2024-11-22 02:47:24,813 INFO L78 Accepts]: Start accepts. Automaton has 13978 states and 20226 transitions. Word has length 72 [2024-11-22 02:47:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:24,813 INFO L471 AbstractCegarLoop]: Abstraction has 13978 states and 20226 transitions. [2024-11-22 02:47:24,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 13978 states and 20226 transitions. [2024-11-22 02:47:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 02:47:24,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:24,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:24,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 02:47:24,821 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:24,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:24,822 INFO L85 PathProgramCache]: Analyzing trace with hash -449647948, now seen corresponding path program 1 times [2024-11-22 02:47:24,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:24,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444239971] [2024-11-22 02:47:24,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:24,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:25,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:25,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444239971] [2024-11-22 02:47:25,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444239971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:25,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:25,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 02:47:25,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864595023] [2024-11-22 02:47:25,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:25,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:47:25,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:25,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:47:25,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:47:25,235 INFO L87 Difference]: Start difference. First operand 13978 states and 20226 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:28,019 INFO L93 Difference]: Finished difference Result 42440 states and 61670 transitions. [2024-11-22 02:47:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 02:47:28,020 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-22 02:47:28,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:28,092 INFO L225 Difference]: With dead ends: 42440 [2024-11-22 02:47:28,092 INFO L226 Difference]: Without dead ends: 42236 [2024-11-22 02:47:28,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-22 02:47:28,116 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 9819 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 3173 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9819 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:28,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9819 Valid, 3339 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3173 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 02:47:28,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42236 states. [2024-11-22 02:47:28,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42236 to 13982. [2024-11-22 02:47:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13982 states, 13980 states have (on average 1.4470672389127324) internal successors, (20230), 13981 states have internal predecessors, (20230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13982 states to 13982 states and 20230 transitions. [2024-11-22 02:47:28,698 INFO L78 Accepts]: Start accepts. Automaton has 13982 states and 20230 transitions. Word has length 73 [2024-11-22 02:47:28,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:28,699 INFO L471 AbstractCegarLoop]: Abstraction has 13982 states and 20230 transitions. [2024-11-22 02:47:28,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 13982 states and 20230 transitions. [2024-11-22 02:47:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 02:47:28,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:28,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:28,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 02:47:28,708 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:28,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:28,709 INFO L85 PathProgramCache]: Analyzing trace with hash -336627394, now seen corresponding path program 1 times [2024-11-22 02:47:28,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:28,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809224522] [2024-11-22 02:47:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:28,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:28,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:28,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809224522] [2024-11-22 02:47:28,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809224522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:28,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:28,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:28,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017576699] [2024-11-22 02:47:28,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:28,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:28,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:28,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:28,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:28,846 INFO L87 Difference]: Start difference. First operand 13982 states and 20230 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:29,200 INFO L93 Difference]: Finished difference Result 29142 states and 42711 transitions. [2024-11-22 02:47:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:29,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-22 02:47:29,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:29,222 INFO L225 Difference]: With dead ends: 29142 [2024-11-22 02:47:29,223 INFO L226 Difference]: Without dead ends: 16098 [2024-11-22 02:47:29,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:29,238 INFO L432 NwaCegarLoop]: 1209 mSDtfsCounter, 1112 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:29,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1607 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:47:29,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16098 states. [2024-11-22 02:47:29,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16098 to 12897. [2024-11-22 02:47:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4615742535866616) internal successors, (18847), 12896 states have internal predecessors, (18847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18847 transitions. [2024-11-22 02:47:29,407 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18847 transitions. Word has length 73 [2024-11-22 02:47:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:29,407 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18847 transitions. [2024-11-22 02:47:29,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18847 transitions. [2024-11-22 02:47:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:47:29,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:29,411 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:29,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 02:47:29,411 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:29,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash 874893139, now seen corresponding path program 1 times [2024-11-22 02:47:29,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:29,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270727030] [2024-11-22 02:47:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:29,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:29,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270727030] [2024-11-22 02:47:29,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270727030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:29,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:29,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:29,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836595170] [2024-11-22 02:47:29,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:29,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:29,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:29,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:29,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:29,669 INFO L87 Difference]: Start difference. First operand 12897 states and 18847 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:31,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:31,205 INFO L93 Difference]: Finished difference Result 16615 states and 24103 transitions. [2024-11-22 02:47:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:47:31,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:47:31,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:31,230 INFO L225 Difference]: With dead ends: 16615 [2024-11-22 02:47:31,230 INFO L226 Difference]: Without dead ends: 16395 [2024-11-22 02:47:31,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:47:31,239 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 5691 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 2527 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5691 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:31,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5691 Valid, 2743 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:47:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16395 states. [2024-11-22 02:47:31,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16395 to 12897. [2024-11-22 02:47:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4614967041488949) internal successors, (18846), 12896 states have internal predecessors, (18846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18846 transitions. [2024-11-22 02:47:31,437 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18846 transitions. Word has length 74 [2024-11-22 02:47:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:31,437 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18846 transitions. [2024-11-22 02:47:31,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18846 transitions. [2024-11-22 02:47:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:47:31,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:31,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:31,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 02:47:31,441 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:31,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:31,442 INFO L85 PathProgramCache]: Analyzing trace with hash 18726279, now seen corresponding path program 1 times [2024-11-22 02:47:31,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:31,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087951693] [2024-11-22 02:47:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:31,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087951693] [2024-11-22 02:47:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087951693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:31,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:31,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:31,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703346124] [2024-11-22 02:47:31,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:31,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:31,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:31,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:31,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:31,702 INFO L87 Difference]: Start difference. First operand 12897 states and 18846 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:33,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:33,386 INFO L93 Difference]: Finished difference Result 30870 states and 45430 transitions. [2024-11-22 02:47:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:47:33,388 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:47:33,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:33,434 INFO L225 Difference]: With dead ends: 30870 [2024-11-22 02:47:33,434 INFO L226 Difference]: Without dead ends: 30669 [2024-11-22 02:47:33,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:47:33,449 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 5241 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5241 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:33,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5241 Valid, 2830 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2493 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:47:33,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30669 states. [2024-11-22 02:47:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30669 to 12897. [2024-11-22 02:47:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4614191547111284) internal successors, (18845), 12896 states have internal predecessors, (18845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18845 transitions. [2024-11-22 02:47:33,729 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18845 transitions. Word has length 74 [2024-11-22 02:47:33,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:33,729 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18845 transitions. [2024-11-22 02:47:33,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18845 transitions. [2024-11-22 02:47:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:47:33,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:33,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:33,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 02:47:33,735 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:33,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:33,735 INFO L85 PathProgramCache]: Analyzing trace with hash 53628504, now seen corresponding path program 1 times [2024-11-22 02:47:33,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:33,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024415228] [2024-11-22 02:47:33,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:33,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:33,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:33,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024415228] [2024-11-22 02:47:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024415228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:33,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:33,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:33,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078229180] [2024-11-22 02:47:33,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:33,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:33,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:33,953 INFO L87 Difference]: Start difference. First operand 12897 states and 18845 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:35,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:35,259 INFO L93 Difference]: Finished difference Result 16615 states and 24100 transitions. [2024-11-22 02:47:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:47:35,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:47:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:35,285 INFO L225 Difference]: With dead ends: 16615 [2024-11-22 02:47:35,285 INFO L226 Difference]: Without dead ends: 16395 [2024-11-22 02:47:35,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:47:35,293 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2772 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 2540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:35,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 2711 Invalid, 2540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2521 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 02:47:35,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16395 states. [2024-11-22 02:47:35,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16395 to 12897. [2024-11-22 02:47:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4613416052733619) internal successors, (18844), 12896 states have internal predecessors, (18844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18844 transitions. [2024-11-22 02:47:35,512 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18844 transitions. Word has length 74 [2024-11-22 02:47:35,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:35,513 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18844 transitions. [2024-11-22 02:47:35,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18844 transitions. [2024-11-22 02:47:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:47:35,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:35,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:35,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 02:47:35,516 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:35,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:35,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1767617348, now seen corresponding path program 1 times [2024-11-22 02:47:35,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236310253] [2024-11-22 02:47:35,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:35,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:35,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236310253] [2024-11-22 02:47:35,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236310253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:35,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:35,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:35,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262706800] [2024-11-22 02:47:35,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:35,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:35,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:35,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:35,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:35,588 INFO L87 Difference]: Start difference. First operand 12897 states and 18844 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:35,723 INFO L93 Difference]: Finished difference Result 30439 states and 45135 transitions. [2024-11-22 02:47:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:47:35,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:35,753 INFO L225 Difference]: With dead ends: 30439 [2024-11-22 02:47:35,753 INFO L226 Difference]: Without dead ends: 18872 [2024-11-22 02:47:35,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:35,773 INFO L432 NwaCegarLoop]: 1235 mSDtfsCounter, 722 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:35,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 1713 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18872 states. [2024-11-22 02:47:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18872 to 15165. [2024-11-22 02:47:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15165 states, 15163 states have (on average 1.4557805183670778) internal successors, (22074), 15164 states have internal predecessors, (22074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15165 states to 15165 states and 22074 transitions. [2024-11-22 02:47:36,120 INFO L78 Accepts]: Start accepts. Automaton has 15165 states and 22074 transitions. Word has length 74 [2024-11-22 02:47:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:36,120 INFO L471 AbstractCegarLoop]: Abstraction has 15165 states and 22074 transitions. [2024-11-22 02:47:36,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 15165 states and 22074 transitions. [2024-11-22 02:47:36,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:47:36,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:36,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:36,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 02:47:36,124 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:36,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:36,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1185358087, now seen corresponding path program 1 times [2024-11-22 02:47:36,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:36,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287110599] [2024-11-22 02:47:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:36,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:36,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:36,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287110599] [2024-11-22 02:47:36,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287110599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:36,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:36,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:36,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157339404] [2024-11-22 02:47:36,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:36,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:36,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:36,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:36,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:36,365 INFO L87 Difference]: Start difference. First operand 15165 states and 22074 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:37,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:37,911 INFO L93 Difference]: Finished difference Result 19367 states and 27983 transitions. [2024-11-22 02:47:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:47:37,911 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:47:37,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:37,938 INFO L225 Difference]: With dead ends: 19367 [2024-11-22 02:47:37,939 INFO L226 Difference]: Without dead ends: 19298 [2024-11-22 02:47:37,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:47:37,949 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 5839 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5839 SdHoareTripleChecker+Valid, 2631 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:37,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5839 Valid, 2631 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 02:47:37,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19298 states. [2024-11-22 02:47:38,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19298 to 15161. [2024-11-22 02:47:38,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15161 states, 15159 states have (on average 1.4558348176001055) internal successors, (22069), 15160 states have internal predecessors, (22069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15161 states to 15161 states and 22069 transitions. [2024-11-22 02:47:38,189 INFO L78 Accepts]: Start accepts. Automaton has 15161 states and 22069 transitions. Word has length 74 [2024-11-22 02:47:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:38,189 INFO L471 AbstractCegarLoop]: Abstraction has 15161 states and 22069 transitions. [2024-11-22 02:47:38,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 15161 states and 22069 transitions. [2024-11-22 02:47:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:47:38,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:38,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:38,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 02:47:38,193 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:38,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash 548991209, now seen corresponding path program 1 times [2024-11-22 02:47:38,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:38,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377489635] [2024-11-22 02:47:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:38,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:38,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377489635] [2024-11-22 02:47:38,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377489635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:38,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:38,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:47:38,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292688713] [2024-11-22 02:47:38,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:38,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:47:38,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:38,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:47:38,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:38,552 INFO L87 Difference]: Start difference. First operand 15161 states and 22069 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:40,259 INFO L93 Difference]: Finished difference Result 19362 states and 27977 transitions. [2024-11-22 02:47:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:47:40,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-22 02:47:40,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:40,293 INFO L225 Difference]: With dead ends: 19362 [2024-11-22 02:47:40,293 INFO L226 Difference]: Without dead ends: 19293 [2024-11-22 02:47:40,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:47:40,305 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 5807 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5807 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 2400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:40,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5807 Valid, 2615 Invalid, 2400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-22 02:47:40,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states. [2024-11-22 02:47:40,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 15156. [2024-11-22 02:47:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15156 states, 15154 states have (on average 1.455721261713079) internal successors, (22060), 15155 states have internal predecessors, (22060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15156 states to 15156 states and 22060 transitions. [2024-11-22 02:47:40,662 INFO L78 Accepts]: Start accepts. Automaton has 15156 states and 22060 transitions. Word has length 74 [2024-11-22 02:47:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:40,662 INFO L471 AbstractCegarLoop]: Abstraction has 15156 states and 22060 transitions. [2024-11-22 02:47:40,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 15156 states and 22060 transitions. [2024-11-22 02:47:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 02:47:40,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:40,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:40,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 02:47:40,668 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:40,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:40,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1653694593, now seen corresponding path program 1 times [2024-11-22 02:47:40,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:40,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010470899] [2024-11-22 02:47:40,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:41,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:41,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010470899] [2024-11-22 02:47:41,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010470899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:41,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:41,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:47:41,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649639975] [2024-11-22 02:47:41,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:41,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:47:41,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:41,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:47:41,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:47:41,633 INFO L87 Difference]: Start difference. First operand 15156 states and 22060 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:42,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:42,940 INFO L93 Difference]: Finished difference Result 32483 states and 47274 transitions. [2024-11-22 02:47:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 02:47:42,941 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-22 02:47:42,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:42,988 INFO L225 Difference]: With dead ends: 32483 [2024-11-22 02:47:42,989 INFO L226 Difference]: Without dead ends: 32358 [2024-11-22 02:47:43,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-22 02:47:43,005 INFO L432 NwaCegarLoop]: 1021 mSDtfsCounter, 6093 mSDsluCounter, 6507 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 7528 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:43,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 7528 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 02:47:43,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32358 states. [2024-11-22 02:47:43,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32358 to 15095. [2024-11-22 02:47:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15095 states, 15094 states have (on average 1.4562077646747051) internal successors, (21980), 15094 states have internal predecessors, (21980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15095 states to 15095 states and 21980 transitions. [2024-11-22 02:47:43,325 INFO L78 Accepts]: Start accepts. Automaton has 15095 states and 21980 transitions. Word has length 76 [2024-11-22 02:47:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:43,325 INFO L471 AbstractCegarLoop]: Abstraction has 15095 states and 21980 transitions. [2024-11-22 02:47:43,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 15095 states and 21980 transitions. [2024-11-22 02:47:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 02:47:43,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:43,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:43,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-22 02:47:43,329 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:43,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:43,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1319372712, now seen corresponding path program 1 times [2024-11-22 02:47:43,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:43,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592769811] [2024-11-22 02:47:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:43,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:43,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:43,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592769811] [2024-11-22 02:47:43,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592769811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:43,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:43,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:47:43,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540904932] [2024-11-22 02:47:43,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:43,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:47:43,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:43,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:47:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:47:43,443 INFO L87 Difference]: Start difference. First operand 15095 states and 21980 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:43,744 INFO L93 Difference]: Finished difference Result 57927 states and 85063 transitions. [2024-11-22 02:47:43,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:47:43,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-22 02:47:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:43,806 INFO L225 Difference]: With dead ends: 57927 [2024-11-22 02:47:43,806 INFO L226 Difference]: Without dead ends: 43973 [2024-11-22 02:47:43,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:47:43,834 INFO L432 NwaCegarLoop]: 1076 mSDtfsCounter, 3797 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:43,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 2321 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:43,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43973 states. [2024-11-22 02:47:44,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43973 to 28297. [2024-11-22 02:47:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28297 states, 28296 states have (on average 1.4483319197059654) internal successors, (40982), 28296 states have internal predecessors, (40982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28297 states to 28297 states and 40982 transitions. [2024-11-22 02:47:44,383 INFO L78 Accepts]: Start accepts. Automaton has 28297 states and 40982 transitions. Word has length 76 [2024-11-22 02:47:44,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:44,384 INFO L471 AbstractCegarLoop]: Abstraction has 28297 states and 40982 transitions. [2024-11-22 02:47:44,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 28297 states and 40982 transitions. [2024-11-22 02:47:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:47:44,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:44,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:44,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-22 02:47:44,387 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:44,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:44,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1265240996, now seen corresponding path program 1 times [2024-11-22 02:47:44,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:44,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406126804] [2024-11-22 02:47:44,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:44,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:44,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:44,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406126804] [2024-11-22 02:47:44,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406126804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:44,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:44,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:47:44,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986704015] [2024-11-22 02:47:44,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:44,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:47:44,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:44,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:47:44,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:47:44,820 INFO L87 Difference]: Start difference. First operand 28297 states and 40982 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:45,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:45,792 INFO L93 Difference]: Finished difference Result 49045 states and 70963 transitions. [2024-11-22 02:47:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:47:45,793 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-22 02:47:45,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:45,868 INFO L225 Difference]: With dead ends: 49045 [2024-11-22 02:47:45,868 INFO L226 Difference]: Without dead ends: 48970 [2024-11-22 02:47:45,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:47:45,891 INFO L432 NwaCegarLoop]: 968 mSDtfsCounter, 6043 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6043 SdHoareTripleChecker+Valid, 4363 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:45,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6043 Valid, 4363 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:47:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48970 states. [2024-11-22 02:47:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48970 to 28286. [2024-11-22 02:47:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28286 states, 28285 states have (on average 1.4483648576984267) internal successors, (40967), 28285 states have internal predecessors, (40967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28286 states to 28286 states and 40967 transitions. [2024-11-22 02:47:46,388 INFO L78 Accepts]: Start accepts. Automaton has 28286 states and 40967 transitions. Word has length 77 [2024-11-22 02:47:46,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:46,389 INFO L471 AbstractCegarLoop]: Abstraction has 28286 states and 40967 transitions. [2024-11-22 02:47:46,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 28286 states and 40967 transitions. [2024-11-22 02:47:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:47:46,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:46,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:46,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-22 02:47:46,393 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:46,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:46,394 INFO L85 PathProgramCache]: Analyzing trace with hash -447815607, now seen corresponding path program 1 times [2024-11-22 02:47:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:46,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622601342] [2024-11-22 02:47:46,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:46,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:46,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622601342] [2024-11-22 02:47:46,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622601342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:46,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:46,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:47:46,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467418789] [2024-11-22 02:47:46,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:46,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:47:46,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:46,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:47:46,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:47:46,973 INFO L87 Difference]: Start difference. First operand 28286 states and 40967 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:48,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:48,474 INFO L93 Difference]: Finished difference Result 35911 states and 51912 transitions. [2024-11-22 02:47:48,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 02:47:48,475 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-22 02:47:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:48,526 INFO L225 Difference]: With dead ends: 35911 [2024-11-22 02:47:48,526 INFO L226 Difference]: Without dead ends: 35821 [2024-11-22 02:47:48,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-22 02:47:48,545 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 5338 mSDsluCounter, 6019 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5338 SdHoareTripleChecker+Valid, 6950 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:48,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5338 Valid, 6950 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 02:47:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35821 states. [2024-11-22 02:47:48,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35821 to 28260. [2024-11-22 02:47:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28260 states, 28259 states have (on average 1.4484942850065465) internal successors, (40933), 28259 states have internal predecessors, (40933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28260 states to 28260 states and 40933 transitions. [2024-11-22 02:47:48,986 INFO L78 Accepts]: Start accepts. Automaton has 28260 states and 40933 transitions. Word has length 77 [2024-11-22 02:47:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:48,987 INFO L471 AbstractCegarLoop]: Abstraction has 28260 states and 40933 transitions. [2024-11-22 02:47:48,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 28260 states and 40933 transitions. [2024-11-22 02:47:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:47:48,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:48,992 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:48,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-22 02:47:48,992 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:48,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:48,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1615837758, now seen corresponding path program 1 times [2024-11-22 02:47:48,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:48,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572919331] [2024-11-22 02:47:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:49,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:49,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572919331] [2024-11-22 02:47:49,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572919331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:49,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:49,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:47:49,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898990061] [2024-11-22 02:47:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:49,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:47:49,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:49,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:47:49,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:47:49,131 INFO L87 Difference]: Start difference. First operand 28260 states and 40933 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:49,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:49,387 INFO L93 Difference]: Finished difference Result 47748 states and 69187 transitions. [2024-11-22 02:47:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:47:49,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-22 02:47:49,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:49,418 INFO L225 Difference]: With dead ends: 47748 [2024-11-22 02:47:49,418 INFO L226 Difference]: Without dead ends: 20553 [2024-11-22 02:47:49,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:47:49,443 INFO L432 NwaCegarLoop]: 1019 mSDtfsCounter, 2679 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2679 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:49,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 1648 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:49,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20553 states. [2024-11-22 02:47:49,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20553 to 20547. [2024-11-22 02:47:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20547 states, 20546 states have (on average 1.4339530808916578) internal successors, (29462), 20546 states have internal predecessors, (29462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 29462 transitions. [2024-11-22 02:47:49,706 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 29462 transitions. Word has length 77 [2024-11-22 02:47:49,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:49,707 INFO L471 AbstractCegarLoop]: Abstraction has 20547 states and 29462 transitions. [2024-11-22 02:47:49,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 29462 transitions. [2024-11-22 02:47:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 02:47:49,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:49,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:49,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-22 02:47:49,712 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:49,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:49,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1791690671, now seen corresponding path program 1 times [2024-11-22 02:47:49,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:49,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915650758] [2024-11-22 02:47:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:49,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:49,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915650758] [2024-11-22 02:47:49,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915650758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:49,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:49,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:49,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471551490] [2024-11-22 02:47:49,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:49,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:49,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:49,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:49,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:49,814 INFO L87 Difference]: Start difference. First operand 20547 states and 29462 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:50,034 INFO L93 Difference]: Finished difference Result 58057 states and 83608 transitions. [2024-11-22 02:47:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:50,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-22 02:47:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:50,090 INFO L225 Difference]: With dead ends: 58057 [2024-11-22 02:47:50,090 INFO L226 Difference]: Without dead ends: 38575 [2024-11-22 02:47:50,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:50,116 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 516 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:50,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1495 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38575 states. [2024-11-22 02:47:50,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38575 to 36621. [2024-11-22 02:47:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36621 states, 36620 states have (on average 1.4311305297651558) internal successors, (52408), 36620 states have internal predecessors, (52408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36621 states to 36621 states and 52408 transitions. [2024-11-22 02:47:50,826 INFO L78 Accepts]: Start accepts. Automaton has 36621 states and 52408 transitions. Word has length 78 [2024-11-22 02:47:50,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:50,826 INFO L471 AbstractCegarLoop]: Abstraction has 36621 states and 52408 transitions. [2024-11-22 02:47:50,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 36621 states and 52408 transitions. [2024-11-22 02:47:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-22 02:47:50,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:50,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:50,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-22 02:47:50,829 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:50,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:50,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1514981376, now seen corresponding path program 1 times [2024-11-22 02:47:50,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:50,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908403156] [2024-11-22 02:47:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:50,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:50,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908403156] [2024-11-22 02:47:50,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908403156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:50,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:50,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:47:50,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142920076] [2024-11-22 02:47:50,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:50,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:47:50,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:50,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:47:50,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:50,907 INFO L87 Difference]: Start difference. First operand 36621 states and 52408 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:51,547 INFO L93 Difference]: Finished difference Result 104825 states and 150090 transitions. [2024-11-22 02:47:51,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:47:51,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-22 02:47:51,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:51,651 INFO L225 Difference]: With dead ends: 104825 [2024-11-22 02:47:51,651 INFO L226 Difference]: Without dead ends: 69269 [2024-11-22 02:47:51,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:47:51,665 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 410 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:51,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1559 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:47:51,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69269 states. [2024-11-22 02:47:52,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69269 to 65363. [2024-11-22 02:47:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65363 states, 65362 states have (on average 1.422783880542211) internal successors, (92996), 65362 states have internal predecessors, (92996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65363 states to 65363 states and 92996 transitions. [2024-11-22 02:47:53,180 INFO L78 Accepts]: Start accepts. Automaton has 65363 states and 92996 transitions. Word has length 81 [2024-11-22 02:47:53,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:47:53,181 INFO L471 AbstractCegarLoop]: Abstraction has 65363 states and 92996 transitions. [2024-11-22 02:47:53,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65363 states and 92996 transitions. [2024-11-22 02:47:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 02:47:53,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:47:53,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:47:53,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-22 02:47:53,184 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:47:53,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:47:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1391568795, now seen corresponding path program 1 times [2024-11-22 02:47:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:47:53,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470200949] [2024-11-22 02:47:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:47:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:47:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:47:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:47:53,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:47:53,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470200949] [2024-11-22 02:47:53,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470200949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:47:53,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:47:53,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:47:53,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434729160] [2024-11-22 02:47:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:47:53,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:47:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:47:53,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:47:53,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:47:53,535 INFO L87 Difference]: Start difference. First operand 65363 states and 92996 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:47:53,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:47:53,752 INFO L93 Difference]: Finished difference Result 69565 states and 98597 transitions. [2024-11-22 02:47:53,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:47:53,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-22 02:47:53,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:47:53,852 INFO L225 Difference]: With dead ends: 69565 [2024-11-22 02:47:53,853 INFO L226 Difference]: Without dead ends: 69563 [2024-11-22 02:47:53,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:47:53,881 INFO L432 NwaCegarLoop]: 965 mSDtfsCounter, 0 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4815 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:47:53,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4815 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:47:53,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69563 states.