./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:25:44,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:25:44,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:25:44,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:25:44,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:25:44,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:25:44,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:25:44,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:25:44,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:25:44,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:25:44,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:25:44,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:25:44,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:25:44,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:25:44,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:25:44,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:25:44,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:25:44,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:25:44,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:25:44,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:25:44,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:25:44,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:25:44,949 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a [2024-11-07 00:25:45,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:25:45,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:25:45,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:25:45,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:25:45,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:25:45,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-07 00:25:46,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:25:47,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:25:47,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-07 00:25:47,293 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67f0d3f9a/ed9d6cf03f784b79b3f6f22679fece61/FLAG5d2b710d4 [2024-11-07 00:25:47,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67f0d3f9a/ed9d6cf03f784b79b3f6f22679fece61 [2024-11-07 00:25:47,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:25:47,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:25:47,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:25:47,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:25:47,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:25:47,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:25:47" (1/1) ... [2024-11-07 00:25:47,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4d88f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:47, skipping insertion in model container [2024-11-07 00:25:47,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:25:47" (1/1) ... [2024-11-07 00:25:47,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:25:47,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11898,11911] [2024-11-07 00:25:47,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18616,18629] [2024-11-07 00:25:47,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20814,20827] [2024-11-07 00:25:47,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21891,21904] [2024-11-07 00:25:47,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25244,25257] [2024-11-07 00:25:47,745 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26324,26337] [2024-11-07 00:25:47,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28553,28566] [2024-11-07 00:25:48,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:25:48,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:25:48,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11898,11911] [2024-11-07 00:25:48,096 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18616,18629] [2024-11-07 00:25:48,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20814,20827] [2024-11-07 00:25:48,101 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21891,21904] [2024-11-07 00:25:48,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25244,25257] [2024-11-07 00:25:48,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26324,26337] [2024-11-07 00:25:48,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28553,28566] [2024-11-07 00:25:48,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:25:48,306 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:25:48,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48 WrapperNode [2024-11-07 00:25:48,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:25:48,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:25:48,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:25:48,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:25:48,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,498 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7044 [2024-11-07 00:25:48,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:25:48,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:25:48,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:25:48,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:25:48,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,556 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]. [2024-11-07 00:25:48,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:25:48,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:25:48,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:25:48,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:25:48,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (1/1) ... [2024-11-07 00:25:48,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:25:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:25:48,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 00:25:48,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 00:25:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:25:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:25:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:25:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:25:48,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:25:49,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:25:51,803 INFO L? ?]: Removed 1112 outVars from TransFormulas that were not future-live. [2024-11-07 00:25:51,803 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:25:51,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:25:51,869 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 00:25:51,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:25:51 BoogieIcfgContainer [2024-11-07 00:25:51,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:25:51,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:25:51,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:25:51,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:25:51,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:25:47" (1/3) ... [2024-11-07 00:25:51,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344c8d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:25:51, skipping insertion in model container [2024-11-07 00:25:51,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:25:48" (2/3) ... [2024-11-07 00:25:51,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344c8d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:25:51, skipping insertion in model container [2024-11-07 00:25:51,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:25:51" (3/3) ... [2024-11-07 00:25:51,907 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-07 00:25:51,933 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:25:51,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-07 00:25:52,002 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:25:52,010 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;@1675e4ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:25:52,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-07 00:25:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 00:25:52,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:52,031 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] [2024-11-07 00:25:52,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:52,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:52,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1027637325, now seen corresponding path program 1 times [2024-11-07 00:25:52,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:52,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774059515] [2024-11-07 00:25:52,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:52,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:52,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:52,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774059515] [2024-11-07 00:25:52,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774059515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:52,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:52,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:25:52,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256109111] [2024-11-07 00:25:52,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:52,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:25:52,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:52,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:25:52,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:25:52,546 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 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 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:53,187 INFO L93 Difference]: Finished difference Result 1790 states and 3275 transitions. [2024-11-07 00:25:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:25:53,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-07 00:25:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:53,199 INFO L225 Difference]: With dead ends: 1790 [2024-11-07 00:25:53,199 INFO L226 Difference]: Without dead ends: 987 [2024-11-07 00:25:53,203 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 [2024-11-07 00:25:53,204 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 5044 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5044 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:53,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5044 Valid, 1250 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:25:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2024-11-07 00:25:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 979. [2024-11-07 00:25:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1310 transitions. [2024-11-07 00:25:53,268 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1310 transitions. Word has length 63 [2024-11-07 00:25:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:53,268 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1310 transitions. [2024-11-07 00:25:53,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1310 transitions. [2024-11-07 00:25:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 00:25:53,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:53,276 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] [2024-11-07 00:25:53,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:25:53,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:53,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:53,281 INFO L85 PathProgramCache]: Analyzing trace with hash 517550277, now seen corresponding path program 1 times [2024-11-07 00:25:53,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:53,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690701182] [2024-11-07 00:25:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:53,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:53,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690701182] [2024-11-07 00:25:53,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690701182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:53,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:53,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:25:53,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318323120] [2024-11-07 00:25:53,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:53,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:25:53,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:53,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:25:53,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:25:53,457 INFO L87 Difference]: Start difference. First operand 979 states and 1310 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-07 00:25:53,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:53,532 INFO L93 Difference]: Finished difference Result 1722 states and 2352 transitions. [2024-11-07 00:25:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:25:53,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 [2024-11-07 00:25:53,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:53,544 INFO L225 Difference]: With dead ends: 1722 [2024-11-07 00:25:53,544 INFO L226 Difference]: Without dead ends: 1402 [2024-11-07 00:25:53,546 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 [2024-11-07 00:25:53,547 INFO L432 NwaCegarLoop]: 1422 mSDtfsCounter, 896 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:53,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2136 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:25:53,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-11-07 00:25:53,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1393. [2024-11-07 00:25:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1857 transitions. [2024-11-07 00:25:53,669 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1857 transitions. Word has length 64 [2024-11-07 00:25:53,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:53,671 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1857 transitions. [2024-11-07 00:25:53,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-07 00:25:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1857 transitions. [2024-11-07 00:25:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 00:25:53,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:53,679 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] [2024-11-07 00:25:53,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:25:53,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:53,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:53,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1546123801, now seen corresponding path program 1 times [2024-11-07 00:25:53,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:53,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555971712] [2024-11-07 00:25:53,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:53,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:53,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:53,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555971712] [2024-11-07 00:25:53,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555971712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:53,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:53,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:25:53,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558918616] [2024-11-07 00:25:53,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:53,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:25:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:25:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:25:53,907 INFO L87 Difference]: Start difference. First operand 1393 states and 1857 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-07 00:25:54,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:54,077 INFO L93 Difference]: Finished difference Result 2185 states and 3029 transitions. [2024-11-07 00:25:54,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:25:54,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 [2024-11-07 00:25:54,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:54,089 INFO L225 Difference]: With dead ends: 2185 [2024-11-07 00:25:54,089 INFO L226 Difference]: Without dead ends: 1800 [2024-11-07 00:25:54,090 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 [2024-11-07 00:25:54,094 INFO L432 NwaCegarLoop]: 1156 mSDtfsCounter, 532 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:54,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1864 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:25:54,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2024-11-07 00:25:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1792. [2024-11-07 00:25:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2436 transitions. [2024-11-07 00:25:54,163 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2436 transitions. Word has length 64 [2024-11-07 00:25:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:54,165 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2436 transitions. [2024-11-07 00:25:54,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-07 00:25:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2436 transitions. [2024-11-07 00:25:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 00:25:54,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:54,170 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] [2024-11-07 00:25:54,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:25:54,170 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:54,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:54,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1930220714, now seen corresponding path program 1 times [2024-11-07 00:25:54,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:54,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862803020] [2024-11-07 00:25:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:54,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:54,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862803020] [2024-11-07 00:25:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862803020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:54,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:54,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:25:54,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427531508] [2024-11-07 00:25:54,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:54,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:25:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:54,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:25:54,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:25:54,333 INFO L87 Difference]: Start difference. First operand 1792 states and 2436 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-07 00:25:54,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:54,455 INFO L93 Difference]: Finished difference Result 3258 states and 4588 transitions. [2024-11-07 00:25:54,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:25:54,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 [2024-11-07 00:25:54,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:54,467 INFO L225 Difference]: With dead ends: 3258 [2024-11-07 00:25:54,468 INFO L226 Difference]: Without dead ends: 2458 [2024-11-07 00:25:54,469 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 [2024-11-07 00:25:54,473 INFO L432 NwaCegarLoop]: 1081 mSDtfsCounter, 553 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:54,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1797 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:25:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2024-11-07 00:25:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2450. [2024-11-07 00:25:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3380 transitions. [2024-11-07 00:25:54,549 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3380 transitions. Word has length 64 [2024-11-07 00:25:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:54,550 INFO L471 AbstractCegarLoop]: Abstraction has 2450 states and 3380 transitions. [2024-11-07 00:25:54,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-07 00:25:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3380 transitions. [2024-11-07 00:25:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 00:25:54,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:54,556 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] [2024-11-07 00:25:54,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:25:54,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:54,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:54,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1847708861, now seen corresponding path program 1 times [2024-11-07 00:25:54,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:54,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385694463] [2024-11-07 00:25:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:54,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:54,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:54,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385694463] [2024-11-07 00:25:54,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385694463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:54,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:54,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:25:54,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45345193] [2024-11-07 00:25:54,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:54,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:25:54,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:54,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:25:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:25:54,825 INFO L87 Difference]: Start difference. First operand 2450 states and 3380 transitions. 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) [2024-11-07 00:25:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:55,727 INFO L93 Difference]: Finished difference Result 4663 states and 6528 transitions. [2024-11-07 00:25:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:25:55,728 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 [2024-11-07 00:25:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:55,738 INFO L225 Difference]: With dead ends: 4663 [2024-11-07 00:25:55,738 INFO L226 Difference]: Without dead ends: 2817 [2024-11-07 00:25:55,744 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 [2024-11-07 00:25:55,745 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 3048 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:55,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 692 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:25:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2024-11-07 00:25:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2803. [2024-11-07 00:25:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3852 transitions. [2024-11-07 00:25:55,818 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3852 transitions. Word has length 64 [2024-11-07 00:25:55,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:55,818 INFO L471 AbstractCegarLoop]: Abstraction has 2803 states and 3852 transitions. [2024-11-07 00:25:55,818 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) [2024-11-07 00:25:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3852 transitions. [2024-11-07 00:25:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 00:25:55,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:55,822 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] [2024-11-07 00:25:55,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:25:55,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:55,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1685345629, now seen corresponding path program 1 times [2024-11-07 00:25:55,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:55,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938828666] [2024-11-07 00:25:55,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:55,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:56,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:56,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938828666] [2024-11-07 00:25:56,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938828666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:56,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:56,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:25:56,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648829102] [2024-11-07 00:25:56,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:56,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:25:56,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:56,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:25:56,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:25:56,024 INFO L87 Difference]: Start difference. First operand 2803 states and 3852 transitions. 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) [2024-11-07 00:25:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:56,552 INFO L93 Difference]: Finished difference Result 6625 states and 9341 transitions. [2024-11-07 00:25:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:25:56,553 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 [2024-11-07 00:25:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:56,567 INFO L225 Difference]: With dead ends: 6625 [2024-11-07 00:25:56,567 INFO L226 Difference]: Without dead ends: 4111 [2024-11-07 00:25:56,570 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 [2024-11-07 00:25:56,571 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 2711 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:56,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2711 Valid, 644 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:25:56,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4111 states. [2024-11-07 00:25:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4111 to 4103. [2024-11-07 00:25:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5782 transitions. [2024-11-07 00:25:56,646 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5782 transitions. Word has length 64 [2024-11-07 00:25:56,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:56,647 INFO L471 AbstractCegarLoop]: Abstraction has 4103 states and 5782 transitions. [2024-11-07 00:25:56,647 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) [2024-11-07 00:25:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5782 transitions. [2024-11-07 00:25:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 00:25:56,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:56,651 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] [2024-11-07 00:25:56,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 00:25:56,652 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)] === [2024-11-07 00:25:56,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:56,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1051430303, now seen corresponding path program 1 times [2024-11-07 00:25:56,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:56,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010314984] [2024-11-07 00:25:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:56,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:56,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010314984] [2024-11-07 00:25:56,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010314984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:56,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:56,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:25:56,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724627514] [2024-11-07 00:25:56,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:56,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:25:56,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:56,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:25:56,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:25:56,770 INFO L87 Difference]: Start difference. First operand 4103 states and 5782 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:56,814 INFO L93 Difference]: Finished difference Result 8762 states and 12471 transitions. [2024-11-07 00:25:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:25:56,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-07 00:25:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:56,830 INFO L225 Difference]: With dead ends: 8762 [2024-11-07 00:25:56,830 INFO L226 Difference]: Without dead ends: 5676 [2024-11-07 00:25:56,834 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 [2024-11-07 00:25:56,835 INFO L432 NwaCegarLoop]: 959 mSDtfsCounter, 583 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:56,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 1523 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:25:56,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5676 states. [2024-11-07 00:25:56,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5676 to 5650. [2024-11-07 00:25:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5650 states, 5643 states have (on average 1.3891547049441786) internal successors, (7839), 5649 states have internal predecessors, (7839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5650 states to 5650 states and 7839 transitions. [2024-11-07 00:25:56,938 INFO L78 Accepts]: Start accepts. Automaton has 5650 states and 7839 transitions. Word has length 65 [2024-11-07 00:25:56,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:56,939 INFO L471 AbstractCegarLoop]: Abstraction has 5650 states and 7839 transitions. [2024-11-07 00:25:56,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5650 states and 7839 transitions. [2024-11-07 00:25:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 00:25:56,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:56,943 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] [2024-11-07 00:25:56,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:25:56,943 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:56,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:56,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1899148000, now seen corresponding path program 1 times [2024-11-07 00:25:56,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:56,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066231971] [2024-11-07 00:25:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:57,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:57,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066231971] [2024-11-07 00:25:57,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066231971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:57,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:57,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:25:57,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704461116] [2024-11-07 00:25:57,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:57,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:25:57,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:57,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:25:57,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:25:57,056 INFO L87 Difference]: Start difference. First operand 5650 states and 7839 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 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) [2024-11-07 00:25:57,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:57,374 INFO L93 Difference]: Finished difference Result 12666 states and 17736 transitions. [2024-11-07 00:25:57,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:25:57,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 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 [2024-11-07 00:25:57,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:57,394 INFO L225 Difference]: With dead ends: 12666 [2024-11-07 00:25:57,395 INFO L226 Difference]: Without dead ends: 7452 [2024-11-07 00:25:57,402 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 [2024-11-07 00:25:57,403 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 2375 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:57,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 577 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:25:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7452 states. [2024-11-07 00:25:57,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7452 to 7417. [2024-11-07 00:25:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7417 states, 7410 states have (on average 1.3913630229419702) internal successors, (10310), 7416 states have internal predecessors, (10310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7417 states to 7417 states and 10310 transitions. [2024-11-07 00:25:57,576 INFO L78 Accepts]: Start accepts. Automaton has 7417 states and 10310 transitions. Word has length 66 [2024-11-07 00:25:57,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:57,576 INFO L471 AbstractCegarLoop]: Abstraction has 7417 states and 10310 transitions. [2024-11-07 00:25:57,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 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) [2024-11-07 00:25:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 7417 states and 10310 transitions. [2024-11-07 00:25:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 00:25:57,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:57,581 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] [2024-11-07 00:25:57,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:25:57,582 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1449474395, now seen corresponding path program 1 times [2024-11-07 00:25:57,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:57,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121037781] [2024-11-07 00:25:57,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:57,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:57,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121037781] [2024-11-07 00:25:57,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121037781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:57,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:57,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:25:57,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257516692] [2024-11-07 00:25:57,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:57,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:25:57,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:57,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:25:57,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:25:57,738 INFO L87 Difference]: Start difference. First operand 7417 states and 10310 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:25:58,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:58,226 INFO L93 Difference]: Finished difference Result 15575 states and 21940 transitions. [2024-11-07 00:25:58,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:25:58,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 [2024-11-07 00:25:58,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:58,247 INFO L225 Difference]: With dead ends: 15575 [2024-11-07 00:25:58,247 INFO L226 Difference]: Without dead ends: 12030 [2024-11-07 00:25:58,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:25:58,256 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2861 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2861 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:58,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2861 Valid, 1054 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:25:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12030 states. [2024-11-07 00:25:58,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12030 to 7445. [2024-11-07 00:25:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7445 states, 7438 states have (on average 1.3909653132562516) internal successors, (10346), 7444 states have internal predecessors, (10346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 10346 transitions. [2024-11-07 00:25:58,494 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 10346 transitions. Word has length 67 [2024-11-07 00:25:58,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:58,494 INFO L471 AbstractCegarLoop]: Abstraction has 7445 states and 10346 transitions. [2024-11-07 00:25:58,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:25:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 10346 transitions. [2024-11-07 00:25:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 00:25:58,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:58,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:25:58,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:25:58,501 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:58,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:58,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1861181409, now seen corresponding path program 1 times [2024-11-07 00:25:58,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:58,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717380392] [2024-11-07 00:25:58,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:58,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:58,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:58,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717380392] [2024-11-07 00:25:58,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717380392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:58,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:58,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:25:58,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355972471] [2024-11-07 00:25:58,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:58,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:25:58,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:58,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:25:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:25:58,666 INFO L87 Difference]: Start difference. First operand 7445 states and 10346 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:25:59,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:25:59,235 INFO L93 Difference]: Finished difference Result 17215 states and 24295 transitions. [2024-11-07 00:25:59,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:25:59,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 [2024-11-07 00:25:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:25:59,258 INFO L225 Difference]: With dead ends: 17215 [2024-11-07 00:25:59,259 INFO L226 Difference]: Without dead ends: 14118 [2024-11-07 00:25:59,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:25:59,268 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3032 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:25:59,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 1079 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:25:59,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14118 states. [2024-11-07 00:25:59,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14118 to 7516. [2024-11-07 00:25:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7516 states, 7509 states have (on average 1.390997469703023) internal successors, (10445), 7515 states have internal predecessors, (10445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:25:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7516 states to 7516 states and 10445 transitions. [2024-11-07 00:25:59,457 INFO L78 Accepts]: Start accepts. Automaton has 7516 states and 10445 transitions. Word has length 67 [2024-11-07 00:25:59,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:25:59,458 INFO L471 AbstractCegarLoop]: Abstraction has 7516 states and 10445 transitions. [2024-11-07 00:25:59,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:25:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7516 states and 10445 transitions. [2024-11-07 00:25:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 00:25:59,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:25:59,464 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] [2024-11-07 00:25:59,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:25:59,464 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:25:59,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:25:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2008504829, now seen corresponding path program 1 times [2024-11-07 00:25:59,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:25:59,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040686520] [2024-11-07 00:25:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:25:59,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:25:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:25:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:25:59,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:25:59,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040686520] [2024-11-07 00:25:59,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040686520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:25:59,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:25:59,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:25:59,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217822932] [2024-11-07 00:25:59,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:25:59,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:25:59,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:25:59,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:25:59,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:25:59,593 INFO L87 Difference]: Start difference. First operand 7516 states and 10445 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:26:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:00,098 INFO L93 Difference]: Finished difference Result 21306 states and 30196 transitions. [2024-11-07 00:26:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:26:00,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 [2024-11-07 00:26:00,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:00,128 INFO L225 Difference]: With dead ends: 21306 [2024-11-07 00:26:00,128 INFO L226 Difference]: Without dead ends: 17763 [2024-11-07 00:26:00,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:26:00,137 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 3205 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:00,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3205 Valid, 1116 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:26:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17763 states. [2024-11-07 00:26:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17763 to 7584. [2024-11-07 00:26:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7584 states, 7577 states have (on average 1.3901280190048833) internal successors, (10533), 7583 states have internal predecessors, (10533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7584 states to 7584 states and 10533 transitions. [2024-11-07 00:26:00,398 INFO L78 Accepts]: Start accepts. Automaton has 7584 states and 10533 transitions. Word has length 67 [2024-11-07 00:26:00,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:00,398 INFO L471 AbstractCegarLoop]: Abstraction has 7584 states and 10533 transitions. [2024-11-07 00:26:00,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:26:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 7584 states and 10533 transitions. [2024-11-07 00:26:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 00:26:00,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:00,404 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] [2024-11-07 00:26:00,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 00:26:00,404 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:00,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:00,405 INFO L85 PathProgramCache]: Analyzing trace with hash 296799215, now seen corresponding path program 1 times [2024-11-07 00:26:00,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:00,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231336493] [2024-11-07 00:26:00,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:00,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:00,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:00,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231336493] [2024-11-07 00:26:00,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231336493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:00,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:00,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:00,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714058694] [2024-11-07 00:26:00,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:00,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:00,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:00,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:00,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:00,541 INFO L87 Difference]: Start difference. First operand 7584 states and 10533 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:26:01,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:01,040 INFO L93 Difference]: Finished difference Result 19404 states and 27435 transitions. [2024-11-07 00:26:01,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:26:01,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 [2024-11-07 00:26:01,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:01,065 INFO L225 Difference]: With dead ends: 19404 [2024-11-07 00:26:01,066 INFO L226 Difference]: Without dead ends: 16043 [2024-11-07 00:26:01,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:26:01,075 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 3109 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:01,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 1098 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:26:01,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16043 states. [2024-11-07 00:26:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16043 to 7713. [2024-11-07 00:26:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7713 states, 7706 states have (on average 1.3890474954580847) internal successors, (10704), 7712 states have internal predecessors, (10704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7713 states to 7713 states and 10704 transitions. [2024-11-07 00:26:01,208 INFO L78 Accepts]: Start accepts. Automaton has 7713 states and 10704 transitions. Word has length 67 [2024-11-07 00:26:01,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:01,208 INFO L471 AbstractCegarLoop]: Abstraction has 7713 states and 10704 transitions. [2024-11-07 00:26:01,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2024-11-07 00:26:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7713 states and 10704 transitions. [2024-11-07 00:26:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 00:26:01,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:01,214 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] [2024-11-07 00:26:01,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 00:26:01,214 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)] === [2024-11-07 00:26:01,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash -766843701, now seen corresponding path program 1 times [2024-11-07 00:26:01,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:01,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817872455] [2024-11-07 00:26:01,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:01,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:01,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817872455] [2024-11-07 00:26:01,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817872455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:01,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:01,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:26:01,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070278030] [2024-11-07 00:26:01,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:01,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:26:01,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:01,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:26:01,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:26:01,552 INFO L87 Difference]: Start difference. First operand 7713 states and 10704 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-07 00:26:02,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:02,267 INFO L93 Difference]: Finished difference Result 16122 states and 22766 transitions. [2024-11-07 00:26:02,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:26:02,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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 [2024-11-07 00:26:02,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:02,285 INFO L225 Difference]: With dead ends: 16122 [2024-11-07 00:26:02,285 INFO L226 Difference]: Without dead ends: 11483 [2024-11-07 00:26:02,293 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 [2024-11-07 00:26:02,293 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 3466 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:02,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 1823 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 00:26:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11483 states. [2024-11-07 00:26:02,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11483 to 7704. [2024-11-07 00:26:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7704 states, 7697 states have (on average 1.3883331167987527) internal successors, (10686), 7703 states have internal predecessors, (10686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7704 states to 7704 states and 10686 transitions. [2024-11-07 00:26:02,399 INFO L78 Accepts]: Start accepts. Automaton has 7704 states and 10686 transitions. Word has length 68 [2024-11-07 00:26:02,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:02,399 INFO L471 AbstractCegarLoop]: Abstraction has 7704 states and 10686 transitions. [2024-11-07 00:26:02,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-07 00:26:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 7704 states and 10686 transitions. [2024-11-07 00:26:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 00:26:02,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:02,405 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] [2024-11-07 00:26:02,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 00:26:02,405 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:02,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:02,406 INFO L85 PathProgramCache]: Analyzing trace with hash -646757943, now seen corresponding path program 1 times [2024-11-07 00:26:02,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:02,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793034410] [2024-11-07 00:26:02,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:02,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:02,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793034410] [2024-11-07 00:26:02,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793034410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:02,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:02,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:26:02,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118096392] [2024-11-07 00:26:02,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:02,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:26:02,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:02,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:26:02,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:26:02,746 INFO L87 Difference]: Start difference. First operand 7704 states and 10686 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-07 00:26:03,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:03,469 INFO L93 Difference]: Finished difference Result 16268 states and 22983 transitions. [2024-11-07 00:26:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:26:03,469 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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 [2024-11-07 00:26:03,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:03,484 INFO L225 Difference]: With dead ends: 16268 [2024-11-07 00:26:03,484 INFO L226 Difference]: Without dead ends: 11599 [2024-11-07 00:26:03,492 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 [2024-11-07 00:26:03,493 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 3545 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:03,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3545 Valid, 1771 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:26:03,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11599 states. [2024-11-07 00:26:03,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11599 to 7680. [2024-11-07 00:26:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7680 states, 7673 states have (on average 1.387592858073765) internal successors, (10647), 7679 states have internal predecessors, (10647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7680 states to 7680 states and 10647 transitions. [2024-11-07 00:26:03,645 INFO L78 Accepts]: Start accepts. Automaton has 7680 states and 10647 transitions. Word has length 68 [2024-11-07 00:26:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:03,646 INFO L471 AbstractCegarLoop]: Abstraction has 7680 states and 10647 transitions. [2024-11-07 00:26:03,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-07 00:26:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 7680 states and 10647 transitions. [2024-11-07 00:26:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 00:26:03,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:03,652 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] [2024-11-07 00:26:03,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 00:26:03,653 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:03,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:03,653 INFO L85 PathProgramCache]: Analyzing trace with hash 850267752, now seen corresponding path program 1 times [2024-11-07 00:26:03,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:03,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363289646] [2024-11-07 00:26:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:03,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:03,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:03,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363289646] [2024-11-07 00:26:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363289646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:03,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:03,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:03,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093837574] [2024-11-07 00:26:03,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:03,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:03,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:03,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:03,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:03,802 INFO L87 Difference]: Start difference. First operand 7680 states and 10647 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 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) [2024-11-07 00:26:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:04,372 INFO L93 Difference]: Finished difference Result 17433 states and 24571 transitions. [2024-11-07 00:26:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:26:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 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 [2024-11-07 00:26:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:04,394 INFO L225 Difference]: With dead ends: 17433 [2024-11-07 00:26:04,394 INFO L226 Difference]: Without dead ends: 14336 [2024-11-07 00:26:04,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:26:04,403 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3020 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:04,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 1079 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:26:04,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14336 states. [2024-11-07 00:26:04,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14336 to 7749. [2024-11-07 00:26:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7749 states, 7742 states have (on average 1.3877551020408163) internal successors, (10744), 7748 states have internal predecessors, (10744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7749 states to 7749 states and 10744 transitions. [2024-11-07 00:26:04,543 INFO L78 Accepts]: Start accepts. Automaton has 7749 states and 10744 transitions. Word has length 68 [2024-11-07 00:26:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:04,544 INFO L471 AbstractCegarLoop]: Abstraction has 7749 states and 10744 transitions. [2024-11-07 00:26:04,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 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) [2024-11-07 00:26:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 7749 states and 10744 transitions. [2024-11-07 00:26:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 00:26:04,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:04,549 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] [2024-11-07 00:26:04,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 00:26:04,549 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:04,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:04,550 INFO L85 PathProgramCache]: Analyzing trace with hash -16939312, now seen corresponding path program 1 times [2024-11-07 00:26:04,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:04,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881116144] [2024-11-07 00:26:04,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:04,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:04,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:04,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881116144] [2024-11-07 00:26:04,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881116144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:04,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:04,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:26:04,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719400151] [2024-11-07 00:26:04,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:04,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:26:04,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:04,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:26:04,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:26:04,850 INFO L87 Difference]: Start difference. First operand 7749 states and 10744 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-07 00:26:05,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:05,527 INFO L93 Difference]: Finished difference Result 16425 states and 23195 transitions. [2024-11-07 00:26:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:26:05,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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 [2024-11-07 00:26:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:05,541 INFO L225 Difference]: With dead ends: 16425 [2024-11-07 00:26:05,541 INFO L226 Difference]: Without dead ends: 11532 [2024-11-07 00:26:05,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:26:05,549 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 3096 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:05,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 2061 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:26:05,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11532 states. [2024-11-07 00:26:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11532 to 7614. [2024-11-07 00:26:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7614 states, 7607 states have (on average 1.387537794136979) internal successors, (10555), 7613 states have internal predecessors, (10555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 10555 transitions. [2024-11-07 00:26:05,647 INFO L78 Accepts]: Start accepts. Automaton has 7614 states and 10555 transitions. Word has length 68 [2024-11-07 00:26:05,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:05,647 INFO L471 AbstractCegarLoop]: Abstraction has 7614 states and 10555 transitions. [2024-11-07 00:26:05,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-07 00:26:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7614 states and 10555 transitions. [2024-11-07 00:26:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 00:26:05,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:05,652 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] [2024-11-07 00:26:05,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 00:26:05,652 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:05,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:05,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1623797592, now seen corresponding path program 1 times [2024-11-07 00:26:05,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:05,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109872219] [2024-11-07 00:26:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:05,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:05,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:05,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109872219] [2024-11-07 00:26:05,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109872219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:05,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:05,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:05,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119153223] [2024-11-07 00:26:05,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:05,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 00:26:05,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:05,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 00:26:05,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:26:05,912 INFO L87 Difference]: Start difference. First operand 7614 states and 10555 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 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) [2024-11-07 00:26:06,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:06,486 INFO L93 Difference]: Finished difference Result 15998 states and 22620 transitions. [2024-11-07 00:26:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:26:06,487 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 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 [2024-11-07 00:26:06,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:06,496 INFO L225 Difference]: With dead ends: 15998 [2024-11-07 00:26:06,497 INFO L226 Difference]: Without dead ends: 10605 [2024-11-07 00:26:06,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-07 00:26:06,502 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 2809 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:06,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2809 Valid, 1558 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:26:06,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10605 states. [2024-11-07 00:26:06,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10605 to 7287. [2024-11-07 00:26:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7287 states, 7280 states have (on average 1.3862637362637362) internal successors, (10092), 7286 states have internal predecessors, (10092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7287 states to 7287 states and 10092 transitions. [2024-11-07 00:26:06,590 INFO L78 Accepts]: Start accepts. Automaton has 7287 states and 10092 transitions. Word has length 68 [2024-11-07 00:26:06,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:06,590 INFO L471 AbstractCegarLoop]: Abstraction has 7287 states and 10092 transitions. [2024-11-07 00:26:06,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 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) [2024-11-07 00:26:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 7287 states and 10092 transitions. [2024-11-07 00:26:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 00:26:06,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:06,595 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] [2024-11-07 00:26:06,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 00:26:06,595 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:06,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash 601134174, now seen corresponding path program 1 times [2024-11-07 00:26:06,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:06,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078510669] [2024-11-07 00:26:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:07,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:07,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078510669] [2024-11-07 00:26:07,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078510669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:07,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:07,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 00:26:07,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901946955] [2024-11-07 00:26:07,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:07,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:26:07,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:07,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:26:07,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:26:07,176 INFO L87 Difference]: Start difference. First operand 7287 states and 10092 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-07 00:26:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:07,708 INFO L93 Difference]: Finished difference Result 17084 states and 24263 transitions. [2024-11-07 00:26:07,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 00:26:07,708 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 [2024-11-07 00:26:07,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:07,719 INFO L225 Difference]: With dead ends: 17084 [2024-11-07 00:26:07,720 INFO L226 Difference]: Without dead ends: 12156 [2024-11-07 00:26:07,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-07 00:26:07,726 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 3817 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:07,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 2769 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:26:07,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12156 states. [2024-11-07 00:26:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12156 to 6954. [2024-11-07 00:26:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 6949 states have (on average 1.3889768311987336) internal successors, (9652), 6953 states have internal predecessors, (9652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 9652 transitions. [2024-11-07 00:26:07,810 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 9652 transitions. Word has length 69 [2024-11-07 00:26:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:07,811 INFO L471 AbstractCegarLoop]: Abstraction has 6954 states and 9652 transitions. [2024-11-07 00:26:07,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-07 00:26:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 9652 transitions. [2024-11-07 00:26:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 00:26:07,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:07,814 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] [2024-11-07 00:26:07,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 00:26:07,814 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:07,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:07,815 INFO L85 PathProgramCache]: Analyzing trace with hash -10442599, now seen corresponding path program 1 times [2024-11-07 00:26:07,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:07,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143969084] [2024-11-07 00:26:07,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:07,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:08,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:08,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143969084] [2024-11-07 00:26:08,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143969084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:08,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 00:26:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310711606] [2024-11-07 00:26:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:08,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:26:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:26:08,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:26:08,228 INFO L87 Difference]: Start difference. First operand 6954 states and 9652 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-07 00:26:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:08,937 INFO L93 Difference]: Finished difference Result 23136 states and 33029 transitions. [2024-11-07 00:26:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 00:26:08,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 [2024-11-07 00:26:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:08,957 INFO L225 Difference]: With dead ends: 23136 [2024-11-07 00:26:08,958 INFO L226 Difference]: Without dead ends: 18243 [2024-11-07 00:26:08,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2024-11-07 00:26:08,969 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 3723 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 2726 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:08,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 2726 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:26:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18243 states. [2024-11-07 00:26:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18243 to 6706. [2024-11-07 00:26:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6706 states, 6702 states have (on average 1.3866010146225007) internal successors, (9293), 6705 states have internal predecessors, (9293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6706 states to 6706 states and 9293 transitions. [2024-11-07 00:26:09,088 INFO L78 Accepts]: Start accepts. Automaton has 6706 states and 9293 transitions. Word has length 69 [2024-11-07 00:26:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:09,088 INFO L471 AbstractCegarLoop]: Abstraction has 6706 states and 9293 transitions. [2024-11-07 00:26:09,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-07 00:26:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6706 states and 9293 transitions. [2024-11-07 00:26:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 00:26:09,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:09,091 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, 1, 1, 1] [2024-11-07 00:26:09,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 00:26:09,091 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)] === [2024-11-07 00:26:09,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1218623503, now seen corresponding path program 1 times [2024-11-07 00:26:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:09,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907121795] [2024-11-07 00:26:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:09,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:09,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907121795] [2024-11-07 00:26:09,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907121795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:09,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:09,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 00:26:09,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282359949] [2024-11-07 00:26:09,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:09,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:26:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:26:09,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:26:09,520 INFO L87 Difference]: Start difference. First operand 6706 states and 9293 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-07 00:26:10,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:10,153 INFO L93 Difference]: Finished difference Result 16255 states and 23115 transitions. [2024-11-07 00:26:10,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:26:10,153 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 [2024-11-07 00:26:10,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:10,163 INFO L225 Difference]: With dead ends: 16255 [2024-11-07 00:26:10,163 INFO L226 Difference]: Without dead ends: 11622 [2024-11-07 00:26:10,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-07 00:26:10,171 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 3317 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:10,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3317 Valid, 2818 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:26:10,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11622 states. [2024-11-07 00:26:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11622 to 6692. [2024-11-07 00:26:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 6689 states have (on average 1.3855583794289132) internal successors, (9268), 6691 states have internal predecessors, (9268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 9268 transitions. [2024-11-07 00:26:10,248 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 9268 transitions. Word has length 69 [2024-11-07 00:26:10,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:10,248 INFO L471 AbstractCegarLoop]: Abstraction has 6692 states and 9268 transitions. [2024-11-07 00:26:10,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-07 00:26:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 9268 transitions. [2024-11-07 00:26:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 00:26:10,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:10,252 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] [2024-11-07 00:26:10,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 00:26:10,252 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:10,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1003005764, now seen corresponding path program 1 times [2024-11-07 00:26:10,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:10,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433886607] [2024-11-07 00:26:10,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:10,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:10,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:10,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433886607] [2024-11-07 00:26:10,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433886607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:10,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:10,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:10,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935488904] [2024-11-07 00:26:10,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:10,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:10,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:10,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:10,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:10,347 INFO L87 Difference]: Start difference. First operand 6692 states and 9268 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) [2024-11-07 00:26:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:10,432 INFO L93 Difference]: Finished difference Result 13560 states and 19050 transitions. [2024-11-07 00:26:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:10,433 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 [2024-11-07 00:26:10,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:10,440 INFO L225 Difference]: With dead ends: 13560 [2024-11-07 00:26:10,440 INFO L226 Difference]: Without dead ends: 9444 [2024-11-07 00:26:10,445 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 [2024-11-07 00:26:10,445 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 379 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:10,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 523 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:10,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9444 states. [2024-11-07 00:26:10,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9444 to 9415. [2024-11-07 00:26:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9415 states, 9414 states have (on average 1.4108774166135543) internal successors, (13282), 9414 states have internal predecessors, (13282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 13282 transitions. [2024-11-07 00:26:10,573 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 13282 transitions. Word has length 71 [2024-11-07 00:26:10,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:10,574 INFO L471 AbstractCegarLoop]: Abstraction has 9415 states and 13282 transitions. [2024-11-07 00:26:10,574 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) [2024-11-07 00:26:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 13282 transitions. [2024-11-07 00:26:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 00:26:10,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:10,586 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:10,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 00:26:10,586 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:10,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:10,587 INFO L85 PathProgramCache]: Analyzing trace with hash -485578834, now seen corresponding path program 1 times [2024-11-07 00:26:10,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:10,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306055468] [2024-11-07 00:26:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:10,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:10,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:10,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306055468] [2024-11-07 00:26:10,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306055468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:10,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:10,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:10,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762880574] [2024-11-07 00:26:10,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:10,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:26:10,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:10,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:26:10,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:26:10,704 INFO L87 Difference]: Start difference. First operand 9415 states and 13282 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:10,890 INFO L93 Difference]: Finished difference Result 47360 states and 68772 transitions. [2024-11-07 00:26:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:26:10,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2024-11-07 00:26:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:10,940 INFO L225 Difference]: With dead ends: 47360 [2024-11-07 00:26:10,941 INFO L226 Difference]: Without dead ends: 39771 [2024-11-07 00:26:10,961 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 [2024-11-07 00:26:10,962 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 2038 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:10,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 1183 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:10,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39771 states. [2024-11-07 00:26:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39771 to 17002. [2024-11-07 00:26:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17002 states, 17001 states have (on average 1.4180930533498028) internal successors, (24109), 17001 states have internal predecessors, (24109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17002 states to 17002 states and 24109 transitions. [2024-11-07 00:26:11,257 INFO L78 Accepts]: Start accepts. Automaton has 17002 states and 24109 transitions. Word has length 84 [2024-11-07 00:26:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:11,257 INFO L471 AbstractCegarLoop]: Abstraction has 17002 states and 24109 transitions. [2024-11-07 00:26:11,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17002 states and 24109 transitions. [2024-11-07 00:26:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 00:26:11,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:11,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:11,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 00:26:11,269 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:11,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:11,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1437916483, now seen corresponding path program 1 times [2024-11-07 00:26:11,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:11,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53597050] [2024-11-07 00:26:11,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:11,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:11,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:11,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53597050] [2024-11-07 00:26:11,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53597050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:11,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:11,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:11,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79404289] [2024-11-07 00:26:11,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:11,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:26:11,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:11,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:26:11,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:26:11,391 INFO L87 Difference]: Start difference. First operand 17002 states and 24109 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:11,580 INFO L93 Difference]: Finished difference Result 28820 states and 40852 transitions. [2024-11-07 00:26:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:26:11,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-07 00:26:11,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:11,604 INFO L225 Difference]: With dead ends: 28820 [2024-11-07 00:26:11,604 INFO L226 Difference]: Without dead ends: 19550 [2024-11-07 00:26:11,616 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 [2024-11-07 00:26:11,616 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 987 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:11,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 1384 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19550 states. [2024-11-07 00:26:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19550 to 14426. [2024-11-07 00:26:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14426 states, 14425 states have (on average 1.3984055459272098) internal successors, (20172), 14425 states have internal predecessors, (20172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14426 states to 14426 states and 20172 transitions. [2024-11-07 00:26:11,943 INFO L78 Accepts]: Start accepts. Automaton has 14426 states and 20172 transitions. Word has length 85 [2024-11-07 00:26:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:11,944 INFO L471 AbstractCegarLoop]: Abstraction has 14426 states and 20172 transitions. [2024-11-07 00:26:11,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14426 states and 20172 transitions. [2024-11-07 00:26:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:11,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:11,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:11,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 00:26:11,956 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:11,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1391083626, now seen corresponding path program 1 times [2024-11-07 00:26:11,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:11,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367044988] [2024-11-07 00:26:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:11,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:12,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:12,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367044988] [2024-11-07 00:26:12,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367044988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:12,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:12,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:12,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559321576] [2024-11-07 00:26:12,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:12,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:12,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:12,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:12,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:12,013 INFO L87 Difference]: Start difference. First operand 14426 states and 20172 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:12,067 INFO L93 Difference]: Finished difference Result 21716 states and 30418 transitions. [2024-11-07 00:26:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:12,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:12,079 INFO L225 Difference]: With dead ends: 21716 [2024-11-07 00:26:12,079 INFO L226 Difference]: Without dead ends: 12940 [2024-11-07 00:26:12,087 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 [2024-11-07 00:26:12,088 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 250 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:12,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 937 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12940 states. [2024-11-07 00:26:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12940 to 12938. [2024-11-07 00:26:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12938 states, 12937 states have (on average 1.3847105202133416) internal successors, (17914), 12937 states have internal predecessors, (17914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12938 states to 12938 states and 17914 transitions. [2024-11-07 00:26:12,212 INFO L78 Accepts]: Start accepts. Automaton has 12938 states and 17914 transitions. Word has length 86 [2024-11-07 00:26:12,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:12,213 INFO L471 AbstractCegarLoop]: Abstraction has 12938 states and 17914 transitions. [2024-11-07 00:26:12,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 12938 states and 17914 transitions. [2024-11-07 00:26:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:12,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:12,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:12,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 00:26:12,224 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:12,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash -214737700, now seen corresponding path program 1 times [2024-11-07 00:26:12,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:12,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128309784] [2024-11-07 00:26:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:12,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:12,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:12,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128309784] [2024-11-07 00:26:12,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128309784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:12,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:12,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:12,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53739567] [2024-11-07 00:26:12,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:12,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:12,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:12,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:12,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:12,318 INFO L87 Difference]: Start difference. First operand 12938 states and 17914 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:12,401 INFO L93 Difference]: Finished difference Result 34794 states and 48696 transitions. [2024-11-07 00:26:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:12,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:12,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:12,425 INFO L225 Difference]: With dead ends: 34794 [2024-11-07 00:26:12,425 INFO L226 Difference]: Without dead ends: 23516 [2024-11-07 00:26:12,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:12,439 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 142 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:12,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 856 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23516 states. [2024-11-07 00:26:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23516 to 22082. [2024-11-07 00:26:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22082 states, 22081 states have (on average 1.38580680222816) internal successors, (30600), 22081 states have internal predecessors, (30600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22082 states to 22082 states and 30600 transitions. [2024-11-07 00:26:12,664 INFO L78 Accepts]: Start accepts. Automaton has 22082 states and 30600 transitions. Word has length 86 [2024-11-07 00:26:12,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:12,665 INFO L471 AbstractCegarLoop]: Abstraction has 22082 states and 30600 transitions. [2024-11-07 00:26:12,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 22082 states and 30600 transitions. [2024-11-07 00:26:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 00:26:12,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:12,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:12,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 00:26:12,675 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:12,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash 181438720, now seen corresponding path program 1 times [2024-11-07 00:26:12,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:12,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378268450] [2024-11-07 00:26:12,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:12,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:12,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:12,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378268450] [2024-11-07 00:26:12,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378268450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:12,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:12,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:12,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371099531] [2024-11-07 00:26:12,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:12,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:12,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:12,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:12,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:12,730 INFO L87 Difference]: Start difference. First operand 22082 states and 30600 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:12,798 INFO L93 Difference]: Finished difference Result 30609 states and 42473 transitions. [2024-11-07 00:26:12,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:12,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-07 00:26:12,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:12,817 INFO L225 Difference]: With dead ends: 30609 [2024-11-07 00:26:12,817 INFO L226 Difference]: Without dead ends: 18076 [2024-11-07 00:26:12,828 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 [2024-11-07 00:26:12,829 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 241 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:12,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 938 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:12,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18076 states. [2024-11-07 00:26:13,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18076 to 18074. [2024-11-07 00:26:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18074 states, 18073 states have (on average 1.3756432246998285) internal successors, (24862), 18073 states have internal predecessors, (24862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18074 states to 18074 states and 24862 transitions. [2024-11-07 00:26:13,129 INFO L78 Accepts]: Start accepts. Automaton has 18074 states and 24862 transitions. Word has length 87 [2024-11-07 00:26:13,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:13,129 INFO L471 AbstractCegarLoop]: Abstraction has 18074 states and 24862 transitions. [2024-11-07 00:26:13,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 18074 states and 24862 transitions. [2024-11-07 00:26:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 00:26:13,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:13,137 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:13,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 00:26:13,138 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:13,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:13,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1393258625, now seen corresponding path program 1 times [2024-11-07 00:26:13,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:13,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73338567] [2024-11-07 00:26:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:13,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:13,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:13,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:13,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73338567] [2024-11-07 00:26:13,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73338567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:13,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:13,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:13,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946803178] [2024-11-07 00:26:13,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:13,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:13,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:13,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:13,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:13,223 INFO L87 Difference]: Start difference. First operand 18074 states and 24862 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:13,340 INFO L93 Difference]: Finished difference Result 49898 states and 69036 transitions. [2024-11-07 00:26:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:13,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-07 00:26:13,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:13,381 INFO L225 Difference]: With dead ends: 49898 [2024-11-07 00:26:13,381 INFO L226 Difference]: Without dead ends: 33436 [2024-11-07 00:26:13,402 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 [2024-11-07 00:26:13,403 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 129 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:13,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 838 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33436 states. [2024-11-07 00:26:13,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33436 to 31218. [2024-11-07 00:26:13,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31218 states, 31217 states have (on average 1.3693179998077971) internal successors, (42746), 31217 states have internal predecessors, (42746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31218 states to 31218 states and 42746 transitions. [2024-11-07 00:26:13,723 INFO L78 Accepts]: Start accepts. Automaton has 31218 states and 42746 transitions. Word has length 87 [2024-11-07 00:26:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:13,723 INFO L471 AbstractCegarLoop]: Abstraction has 31218 states and 42746 transitions. [2024-11-07 00:26:13,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 31218 states and 42746 transitions. [2024-11-07 00:26:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 00:26:13,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:13,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:13,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 00:26:13,731 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash -746388302, now seen corresponding path program 1 times [2024-11-07 00:26:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:13,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51927314] [2024-11-07 00:26:13,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:13,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:13,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:13,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51927314] [2024-11-07 00:26:13,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51927314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:13,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:13,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:13,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194568328] [2024-11-07 00:26:13,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:13,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:13,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:13,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:13,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:13,794 INFO L87 Difference]: Start difference. First operand 31218 states and 42746 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:13,875 INFO L93 Difference]: Finished difference Result 38182 states and 52354 transitions. [2024-11-07 00:26:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:13,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-07 00:26:13,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:13,903 INFO L225 Difference]: With dead ends: 38182 [2024-11-07 00:26:13,903 INFO L226 Difference]: Without dead ends: 25577 [2024-11-07 00:26:13,918 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 [2024-11-07 00:26:13,919 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 198 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:13,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 882 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25577 states. [2024-11-07 00:26:14,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25577 to 25575. [2024-11-07 00:26:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25575 states, 25574 states have (on average 1.3667787596777978) internal successors, (34954), 25574 states have internal predecessors, (34954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25575 states to 25575 states and 34954 transitions. [2024-11-07 00:26:14,335 INFO L78 Accepts]: Start accepts. Automaton has 25575 states and 34954 transitions. Word has length 88 [2024-11-07 00:26:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:14,335 INFO L471 AbstractCegarLoop]: Abstraction has 25575 states and 34954 transitions. [2024-11-07 00:26:14,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 25575 states and 34954 transitions. [2024-11-07 00:26:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 00:26:14,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:14,343 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:14,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 00:26:14,343 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:14,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:14,344 INFO L85 PathProgramCache]: Analyzing trace with hash -384451911, now seen corresponding path program 1 times [2024-11-07 00:26:14,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:14,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922744356] [2024-11-07 00:26:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:14,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:14,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:14,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922744356] [2024-11-07 00:26:14,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922744356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:14,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:14,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:14,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402147615] [2024-11-07 00:26:14,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:14,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:14,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:14,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:14,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:14,449 INFO L87 Difference]: Start difference. First operand 25575 states and 34954 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:14,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:14,581 INFO L93 Difference]: Finished difference Result 70747 states and 96892 transitions. [2024-11-07 00:26:14,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:14,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-07 00:26:14,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:14,643 INFO L225 Difference]: With dead ends: 70747 [2024-11-07 00:26:14,643 INFO L226 Difference]: Without dead ends: 46721 [2024-11-07 00:26:14,673 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 [2024-11-07 00:26:14,674 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 151 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:14,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 877 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:14,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46721 states. [2024-11-07 00:26:15,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46721 to 43295. [2024-11-07 00:26:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43295 states, 43294 states have (on average 1.3587564096641567) internal successors, (58826), 43294 states have internal predecessors, (58826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43295 states to 43295 states and 58826 transitions. [2024-11-07 00:26:15,520 INFO L78 Accepts]: Start accepts. Automaton has 43295 states and 58826 transitions. Word has length 89 [2024-11-07 00:26:15,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:15,520 INFO L471 AbstractCegarLoop]: Abstraction has 43295 states and 58826 transitions. [2024-11-07 00:26:15,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 43295 states and 58826 transitions. [2024-11-07 00:26:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 00:26:15,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:15,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:15,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 00:26:15,526 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:15,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2033472567, now seen corresponding path program 1 times [2024-11-07 00:26:15,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:15,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991871359] [2024-11-07 00:26:15,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:15,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:15,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:15,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991871359] [2024-11-07 00:26:15,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991871359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:15,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:15,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:15,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833884689] [2024-11-07 00:26:15,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:15,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:15,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:15,616 INFO L87 Difference]: Start difference. First operand 43295 states and 58826 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:16,170 INFO L93 Difference]: Finished difference Result 123107 states and 167276 transitions. [2024-11-07 00:26:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:16,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-07 00:26:16,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:16,273 INFO L225 Difference]: With dead ends: 123107 [2024-11-07 00:26:16,273 INFO L226 Difference]: Without dead ends: 81361 [2024-11-07 00:26:16,511 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 [2024-11-07 00:26:16,512 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 107 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:16,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 831 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:16,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81361 states. [2024-11-07 00:26:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81361 to 75727. [2024-11-07 00:26:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75727 states, 75726 states have (on average 1.3501571454982437) internal successors, (102242), 75726 states have internal predecessors, (102242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75727 states to 75727 states and 102242 transitions. [2024-11-07 00:26:17,663 INFO L78 Accepts]: Start accepts. Automaton has 75727 states and 102242 transitions. Word has length 89 [2024-11-07 00:26:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:17,663 INFO L471 AbstractCegarLoop]: Abstraction has 75727 states and 102242 transitions. [2024-11-07 00:26:17,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 75727 states and 102242 transitions. [2024-11-07 00:26:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 00:26:17,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:17,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:17,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 00:26:17,675 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:17,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:17,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1745220661, now seen corresponding path program 1 times [2024-11-07 00:26:17,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:17,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423934283] [2024-11-07 00:26:17,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:17,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:17,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:17,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423934283] [2024-11-07 00:26:17,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423934283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:17,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:17,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:17,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766867625] [2024-11-07 00:26:17,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:17,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:26:17,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:17,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:26:17,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:26:17,967 INFO L87 Difference]: Start difference. First operand 75727 states and 102242 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:18,374 INFO L93 Difference]: Finished difference Result 81969 states and 110563 transitions. [2024-11-07 00:26:18,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:26:18,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-07 00:26:18,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:18,507 INFO L225 Difference]: With dead ends: 81969 [2024-11-07 00:26:18,507 INFO L226 Difference]: Without dead ends: 81967 [2024-11-07 00:26:18,537 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 [2024-11-07 00:26:18,537 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 0 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2090 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 [2024-11-07 00:26:18,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2090 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:18,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81967 states. [2024-11-07 00:26:19,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81967 to 81967. [2024-11-07 00:26:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81967 states, 81966 states have (on average 1.3234999877998195) internal successors, (108482), 81966 states have internal predecessors, (108482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81967 states to 81967 states and 108482 transitions. [2024-11-07 00:26:20,186 INFO L78 Accepts]: Start accepts. Automaton has 81967 states and 108482 transitions. Word has length 91 [2024-11-07 00:26:20,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:20,186 INFO L471 AbstractCegarLoop]: Abstraction has 81967 states and 108482 transitions. [2024-11-07 00:26:20,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 81967 states and 108482 transitions. [2024-11-07 00:26:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 00:26:20,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:20,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:20,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 00:26:20,195 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:20,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:20,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1316288567, now seen corresponding path program 1 times [2024-11-07 00:26:20,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:20,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612685656] [2024-11-07 00:26:20,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:20,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:20,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:20,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612685656] [2024-11-07 00:26:20,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612685656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:20,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:20,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:20,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145752311] [2024-11-07 00:26:20,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:20,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:20,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:20,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:20,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:20,274 INFO L87 Difference]: Start difference. First operand 81967 states and 108482 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:20,981 INFO L93 Difference]: Finished difference Result 204699 states and 270620 transitions. [2024-11-07 00:26:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:20,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-07 00:26:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:21,263 INFO L225 Difference]: With dead ends: 204699 [2024-11-07 00:26:21,263 INFO L226 Difference]: Without dead ends: 124281 [2024-11-07 00:26:21,377 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 [2024-11-07 00:26:21,378 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 324 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:21,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 574 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:21,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124281 states. [2024-11-07 00:26:23,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124281 to 123239. [2024-11-07 00:26:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123239 states, 123238 states have (on average 1.305003326895925) internal successors, (160826), 123238 states have internal predecessors, (160826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:23,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123239 states to 123239 states and 160826 transitions. [2024-11-07 00:26:23,610 INFO L78 Accepts]: Start accepts. Automaton has 123239 states and 160826 transitions. Word has length 92 [2024-11-07 00:26:23,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:23,610 INFO L471 AbstractCegarLoop]: Abstraction has 123239 states and 160826 transitions. [2024-11-07 00:26:23,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:23,611 INFO L276 IsEmpty]: Start isEmpty. Operand 123239 states and 160826 transitions. [2024-11-07 00:26:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 00:26:23,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:23,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:23,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 00:26:23,617 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:23,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:23,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1895115289, now seen corresponding path program 1 times [2024-11-07 00:26:23,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:23,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045565892] [2024-11-07 00:26:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:23,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:23,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:23,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045565892] [2024-11-07 00:26:23,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045565892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:23,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817008268] [2024-11-07 00:26:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:23,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:26:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:26:23,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:26:23,754 INFO L87 Difference]: Start difference. First operand 123239 states and 160826 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:24,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:24,738 INFO L93 Difference]: Finished difference Result 191969 states and 251591 transitions. [2024-11-07 00:26:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:26:24,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-07 00:26:24,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:24,964 INFO L225 Difference]: With dead ends: 191969 [2024-11-07 00:26:24,965 INFO L226 Difference]: Without dead ends: 165147 [2024-11-07 00:26:25,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:26:25,027 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 1570 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:25,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 1328 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 00:26:25,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165147 states. [2024-11-07 00:26:27,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165147 to 141571. [2024-11-07 00:26:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141571 states, 141570 states have (on average 1.3026064844246663) internal successors, (184410), 141570 states have internal predecessors, (184410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141571 states to 141571 states and 184410 transitions. [2024-11-07 00:26:27,695 INFO L78 Accepts]: Start accepts. Automaton has 141571 states and 184410 transitions. Word has length 93 [2024-11-07 00:26:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:27,696 INFO L471 AbstractCegarLoop]: Abstraction has 141571 states and 184410 transitions. [2024-11-07 00:26:27,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 141571 states and 184410 transitions. [2024-11-07 00:26:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:26:27,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:27,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:27,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 00:26:27,705 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:27,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1090055509, now seen corresponding path program 1 times [2024-11-07 00:26:27,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:27,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124675217] [2024-11-07 00:26:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:27,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:27,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124675217] [2024-11-07 00:26:27,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124675217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:27,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:27,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:27,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026552494] [2024-11-07 00:26:27,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:27,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:27,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:27,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:27,759 INFO L87 Difference]: Start difference. First operand 141571 states and 184410 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:28,939 INFO L93 Difference]: Finished difference Result 280712 states and 365724 transitions. [2024-11-07 00:26:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-07 00:26:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:29,207 INFO L225 Difference]: With dead ends: 280712 [2024-11-07 00:26:29,208 INFO L226 Difference]: Without dead ends: 199671 [2024-11-07 00:26:29,283 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 [2024-11-07 00:26:29,284 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 374 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:29,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 565 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199671 states. [2024-11-07 00:26:31,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199671 to 139179. [2024-11-07 00:26:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139179 states, 139178 states have (on average 1.2999180905028094) internal successors, (180920), 139178 states have internal predecessors, (180920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139179 states to 139179 states and 180920 transitions. [2024-11-07 00:26:31,636 INFO L78 Accepts]: Start accepts. Automaton has 139179 states and 180920 transitions. Word has length 94 [2024-11-07 00:26:31,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:31,636 INFO L471 AbstractCegarLoop]: Abstraction has 139179 states and 180920 transitions. [2024-11-07 00:26:31,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 139179 states and 180920 transitions. [2024-11-07 00:26:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 00:26:31,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:31,642 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:31,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 00:26:31,642 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:31,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:31,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1491463166, now seen corresponding path program 1 times [2024-11-07 00:26:31,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:31,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963321169] [2024-11-07 00:26:31,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:31,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:31,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:31,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963321169] [2024-11-07 00:26:31,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963321169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:31,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:31,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:26:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102581427] [2024-11-07 00:26:31,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:31,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:26:31,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:31,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:26:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:26:31,763 INFO L87 Difference]: Start difference. First operand 139179 states and 180920 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:32,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:32,454 INFO L93 Difference]: Finished difference Result 196825 states and 256837 transitions. [2024-11-07 00:26:32,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:26:32,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-07 00:26:32,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:32,708 INFO L225 Difference]: With dead ends: 196825 [2024-11-07 00:26:32,708 INFO L226 Difference]: Without dead ends: 170867 [2024-11-07 00:26:32,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:26:32,791 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 1557 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:32,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 1296 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170867 states. [2024-11-07 00:26:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170867 to 157031. [2024-11-07 00:26:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157031 states, 157030 states have (on average 1.2977392854868497) internal successors, (203784), 157030 states have internal predecessors, (203784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157031 states to 157031 states and 203784 transitions. [2024-11-07 00:26:35,021 INFO L78 Accepts]: Start accepts. Automaton has 157031 states and 203784 transitions. Word has length 95 [2024-11-07 00:26:35,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:35,021 INFO L471 AbstractCegarLoop]: Abstraction has 157031 states and 203784 transitions. [2024-11-07 00:26:35,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 157031 states and 203784 transitions. [2024-11-07 00:26:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 00:26:35,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:35,042 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:35,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 00:26:35,043 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:35,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:35,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2126846625, now seen corresponding path program 1 times [2024-11-07 00:26:35,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:35,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490856907] [2024-11-07 00:26:35,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:35,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:35,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:35,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490856907] [2024-11-07 00:26:35,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490856907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:26:35,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714790066] [2024-11-07 00:26:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:35,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:26:35,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:26:35,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:26:35,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 00:26:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:36,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 00:26:36,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:26:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 00:26:36,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:26:36,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714790066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:36,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:26:36,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-07 00:26:36,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326986987] [2024-11-07 00:26:36,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:36,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:26:36,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:36,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:26:36,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-07 00:26:36,413 INFO L87 Difference]: Start difference. First operand 157031 states and 203784 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:37,861 INFO L93 Difference]: Finished difference Result 380325 states and 493326 transitions. [2024-11-07 00:26:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:26:37,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 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 116 [2024-11-07 00:26:37,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:38,710 INFO L225 Difference]: With dead ends: 380325 [2024-11-07 00:26:38,711 INFO L226 Difference]: Without dead ends: 224024 [2024-11-07 00:26:38,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-07 00:26:38,796 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 1702 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:38,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 1093 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:26:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224024 states. [2024-11-07 00:26:40,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224024 to 156958. [2024-11-07 00:26:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156958 states, 156957 states have (on average 1.2976929987193946) internal successors, (203682), 156957 states have internal predecessors, (203682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156958 states to 156958 states and 203682 transitions. [2024-11-07 00:26:41,165 INFO L78 Accepts]: Start accepts. Automaton has 156958 states and 203682 transitions. Word has length 116 [2024-11-07 00:26:41,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:41,165 INFO L471 AbstractCegarLoop]: Abstraction has 156958 states and 203682 transitions. [2024-11-07 00:26:41,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 156958 states and 203682 transitions. [2024-11-07 00:26:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 00:26:41,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:41,184 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:41,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 00:26:41,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-07 00:26:41,385 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:41,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash -841881477, now seen corresponding path program 1 times [2024-11-07 00:26:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413178360] [2024-11-07 00:26:41,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:41,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:41,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:41,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413178360] [2024-11-07 00:26:41,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413178360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:26:41,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621855841] [2024-11-07 00:26:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:26:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:26:41,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:26:41,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 00:26:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:42,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 00:26:42,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:26:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:42,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:26:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:42,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621855841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:26:42,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:26:42,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-07 00:26:42,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803734013] [2024-11-07 00:26:42,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:26:42,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 00:26:42,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:42,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 00:26:42,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:26:42,581 INFO L87 Difference]: Start difference. First operand 156958 states and 203682 transitions. Second operand has 14 states, 14 states have (on average 22.142857142857142) internal successors, (310), 14 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:44,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:44,614 INFO L93 Difference]: Finished difference Result 407306 states and 529932 transitions. [2024-11-07 00:26:44,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:26:44,614 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.142857142857142) internal successors, (310), 14 states have internal predecessors, (310), 0 states have call successors, (0), 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 116 [2024-11-07 00:26:44,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:45,028 INFO L225 Difference]: With dead ends: 407306 [2024-11-07 00:26:45,029 INFO L226 Difference]: Without dead ends: 251496 [2024-11-07 00:26:45,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:26:45,072 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 2133 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:45,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 1479 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:26:45,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251496 states. [2024-11-07 00:26:47,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251496 to 184070. [2024-11-07 00:26:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184070 states, 184069 states have (on average 1.2787487300957794) internal successors, (235378), 184069 states have internal predecessors, (235378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184070 states to 184070 states and 235378 transitions. [2024-11-07 00:26:48,143 INFO L78 Accepts]: Start accepts. Automaton has 184070 states and 235378 transitions. Word has length 116 [2024-11-07 00:26:48,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:48,143 INFO L471 AbstractCegarLoop]: Abstraction has 184070 states and 235378 transitions. [2024-11-07 00:26:48,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.142857142857142) internal successors, (310), 14 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 184070 states and 235378 transitions. [2024-11-07 00:26:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 00:26:48,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:48,163 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:48,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 00:26:48,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-07 00:26:48,367 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-07 00:26:48,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:48,368 INFO L85 PathProgramCache]: Analyzing trace with hash -212715871, now seen corresponding path program 1 times [2024-11-07 00:26:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539846545] [2024-11-07 00:26:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:48,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:48,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539846545] [2024-11-07 00:26:48,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539846545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:26:48,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615524453] [2024-11-07 00:26:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:48,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:26:48,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:26:48,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:26:48,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 00:26:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:49,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 00:26:49,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:26:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 00:26:49,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:26:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 00:26:49,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615524453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:26:49,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:26:49,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 19 [2024-11-07 00:26:49,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535817487] [2024-11-07 00:26:49,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:26:49,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 00:26:49,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 00:26:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:26:49,734 INFO L87 Difference]: Start difference. First operand 184070 states and 235378 transitions. Second operand has 19 states, 19 states have (on average 17.57894736842105) internal successors, (334), 19 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:56,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:56,670 INFO L93 Difference]: Finished difference Result 1040680 states and 1333482 transitions. [2024-11-07 00:26:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-07 00:26:56,671 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 17.57894736842105) internal successors, (334), 19 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-07 00:26:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:59,422 INFO L225 Difference]: With dead ends: 1040680 [2024-11-07 00:26:59,422 INFO L226 Difference]: Without dead ends: 857758 [2024-11-07 00:26:59,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1557 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=995, Invalid=4261, Unknown=0, NotChecked=0, Total=5256 [2024-11-07 00:26:59,578 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 6189 mSDsluCounter, 3606 mSDsCounter, 0 mSdLazyCounter, 3483 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6189 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:59,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6189 Valid, 4086 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3483 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 00:27:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857758 states.