./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label46+token_ring.12.cil-2.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/combinations/Problem05_label46+token_ring.12.cil-2.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', '7337e3db834e57315ee73ddaf50a0d2f544bd41ddf080ac302a0a29c062196b8'] 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/combinations/Problem05_label46+token_ring.12.cil-2.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 7337e3db834e57315ee73ddaf50a0d2f544bd41ddf080ac302a0a29c062196b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 01:06:12,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 01:06:12,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 01:06:12,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 01:06:12,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 01:06:12,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 01:06:12,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 01:06:12,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 01:06:12,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 01:06:12,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 01:06:12,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 01:06:12,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 01:06:12,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 01:06:12,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 01:06:12,839 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 01:06:12,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 01:06:12,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 01:06:12,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:06:12,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 01:06:12,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 01:06:12,841 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 -> 7337e3db834e57315ee73ddaf50a0d2f544bd41ddf080ac302a0a29c062196b8 [2024-11-07 01:06:13,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 01:06:13,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 01:06:13,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 01:06:13,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 01:06:13,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 01:06:13,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label46+token_ring.12.cil-2.c [2024-11-07 01:06:14,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 01:06:14,731 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 01:06:14,732 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label46+token_ring.12.cil-2.c [2024-11-07 01:06:14,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77fd9e5d0/1190f2c6585545feae2fbda8d3b336d6/FLAGabee0397c [2024-11-07 01:06:15,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77fd9e5d0/1190f2c6585545feae2fbda8d3b336d6 [2024-11-07 01:06:15,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 01:06:15,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 01:06:15,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 01:06:15,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 01:06:15,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 01:06:15,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:06:15" (1/1) ... [2024-11-07 01:06:15,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d94ca76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:15, skipping insertion in model container [2024-11-07 01:06:15,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:06:15" (1/1) ... [2024-11-07 01:06:15,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 01:06:16,279 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/combinations/Problem05_label46+token_ring.12.cil-2.c[382357,382370] [2024-11-07 01:06:16,301 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/combinations/Problem05_label46+token_ring.12.cil-2.c[383339,383352] [2024-11-07 01:06:16,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:06:16,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 01:06:16,955 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/combinations/Problem05_label46+token_ring.12.cil-2.c[382357,382370] [2024-11-07 01:06:16,957 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/combinations/Problem05_label46+token_ring.12.cil-2.c[383339,383352] [2024-11-07 01:06:16,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:06:17,065 INFO L204 MainTranslator]: Completed translation [2024-11-07 01:06:17,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17 WrapperNode [2024-11-07 01:06:17,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 01:06:17,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 01:06:17,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 01:06:17,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 01:06:17,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,505 INFO L138 Inliner]: procedures = 68, calls = 77, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 13233 [2024-11-07 01:06:17,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 01:06:17,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 01:06:17,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 01:06:17,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 01:06:17,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,679 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 01:06:17,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 01:06:17,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 01:06:17,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 01:06:17,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 01:06:17,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (1/1) ... [2024-11-07 01:06:17,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:06:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:06:17,970 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 01:06:17,972 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 01:06:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 01:06:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 01:06:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 01:06:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 01:06:18,082 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 01:06:18,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 01:06:23,965 INFO L? ?]: Removed 1755 outVars from TransFormulas that were not future-live. [2024-11-07 01:06:23,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 01:06:24,017 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 01:06:24,019 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-07 01:06:24,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:06:24 BoogieIcfgContainer [2024-11-07 01:06:24,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 01:06:24,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 01:06:24,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 01:06:24,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 01:06:24,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:06:15" (1/3) ... [2024-11-07 01:06:24,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb5d33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:06:24, skipping insertion in model container [2024-11-07 01:06:24,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:17" (2/3) ... [2024-11-07 01:06:24,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb5d33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:06:24, skipping insertion in model container [2024-11-07 01:06:24,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:06:24" (3/3) ... [2024-11-07 01:06:24,028 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label46+token_ring.12.cil-2.c [2024-11-07 01:06:24,037 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 01:06:24,037 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 01:06:24,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 01:06:24,125 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;@1f98b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 01:06:24,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 01:06:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 2578 states, 2543 states have (on average 1.8387731026346834) internal successors, (4676), 2546 states have internal predecessors, (4676), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 01:06:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:24,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:24,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:24,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:24,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash -80490959, now seen corresponding path program 1 times [2024-11-07 01:06:24,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:24,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683449655] [2024-11-07 01:06:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:24,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:24,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:24,643 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 01:06:24,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:24,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683449655] [2024-11-07 01:06:24,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683449655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:24,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:24,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:06:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196475964] [2024-11-07 01:06:24,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:24,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:06:24,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:24,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:06:24,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:06:24,669 INFO L87 Difference]: Start difference. First operand has 2578 states, 2543 states have (on average 1.8387731026346834) internal successors, (4676), 2546 states have internal predecessors, (4676), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:26,304 INFO L93 Difference]: Finished difference Result 5292 states and 9690 transitions. [2024-11-07 01:06:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 01:06:26,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:26,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:26,326 INFO L225 Difference]: With dead ends: 5292 [2024-11-07 01:06:26,326 INFO L226 Difference]: Without dead ends: 2653 [2024-11-07 01:06:26,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:06:26,338 INFO L432 NwaCegarLoop]: 4383 mSDtfsCounter, 1051 mSDsluCounter, 12491 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 16874 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:26,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 16874 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 01:06:26,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-07 01:06:26,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2511. [2024-11-07 01:06:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2477 states have (on average 1.8219620508679855) internal successors, (4513), 2479 states have internal predecessors, (4513), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 01:06:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 4565 transitions. [2024-11-07 01:06:26,445 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 4565 transitions. Word has length 178 [2024-11-07 01:06:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:26,446 INFO L471 AbstractCegarLoop]: Abstraction has 2511 states and 4565 transitions. [2024-11-07 01:06:26,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 4565 transitions. [2024-11-07 01:06:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:26,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:26,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:26,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 01:06:26,451 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:26,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:26,451 INFO L85 PathProgramCache]: Analyzing trace with hash -170551249, now seen corresponding path program 1 times [2024-11-07 01:06:26,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:26,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440846571] [2024-11-07 01:06:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:26,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:26,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:26,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:26,654 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 01:06:26,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:26,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440846571] [2024-11-07 01:06:26,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440846571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:26,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:26,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:06:26,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004244150] [2024-11-07 01:06:26,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:26,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:06:26,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:26,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:06:26,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:06:26,660 INFO L87 Difference]: Start difference. First operand 2511 states and 4565 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:28,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:28,046 INFO L93 Difference]: Finished difference Result 3028 states and 5392 transitions. [2024-11-07 01:06:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 01:06:28,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:28,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:28,055 INFO L225 Difference]: With dead ends: 3028 [2024-11-07 01:06:28,056 INFO L226 Difference]: Without dead ends: 2653 [2024-11-07 01:06:28,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:06:28,058 INFO L432 NwaCegarLoop]: 4313 mSDtfsCounter, 1037 mSDsluCounter, 12288 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 16601 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:28,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 16601 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:06:28,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-07 01:06:28,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2511. [2024-11-07 01:06:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2477 states have (on average 1.821558336697618) internal successors, (4512), 2479 states have internal predecessors, (4512), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 01:06:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 4564 transitions. [2024-11-07 01:06:28,104 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 4564 transitions. Word has length 178 [2024-11-07 01:06:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:28,104 INFO L471 AbstractCegarLoop]: Abstraction has 2511 states and 4564 transitions. [2024-11-07 01:06:28,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 4564 transitions. [2024-11-07 01:06:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:28,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:28,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:28,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 01:06:28,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:28,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:28,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1574420435, now seen corresponding path program 1 times [2024-11-07 01:06:28,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:28,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202542631] [2024-11-07 01:06:28,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:28,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:28,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:28,397 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 01:06:28,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:28,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202542631] [2024-11-07 01:06:28,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202542631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:28,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:28,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:06:28,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913946009] [2024-11-07 01:06:28,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:28,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:06:28,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:28,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:06:28,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:06:28,399 INFO L87 Difference]: Start difference. First operand 2511 states and 4564 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:30,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:30,685 INFO L93 Difference]: Finished difference Result 3553 states and 6237 transitions. [2024-11-07 01:06:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 01:06:30,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:30,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:30,695 INFO L225 Difference]: With dead ends: 3553 [2024-11-07 01:06:30,695 INFO L226 Difference]: Without dead ends: 3183 [2024-11-07 01:06:30,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:06:30,698 INFO L432 NwaCegarLoop]: 4283 mSDtfsCounter, 5530 mSDsluCounter, 12868 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5549 SdHoareTripleChecker+Valid, 17151 SdHoareTripleChecker+Invalid, 2372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:30,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5549 Valid, 17151 Invalid, 2372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 01:06:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2024-11-07 01:06:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2900. [2024-11-07 01:06:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2838 states have (on average 1.7903453136011276) internal successors, (5081), 2841 states have internal predecessors, (5081), 47 states have call successors, (47), 12 states have call predecessors, (47), 13 states have return successors, (50), 47 states have call predecessors, (50), 47 states have call successors, (50) [2024-11-07 01:06:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 5178 transitions. [2024-11-07 01:06:30,765 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 5178 transitions. Word has length 178 [2024-11-07 01:06:30,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:30,765 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 5178 transitions. [2024-11-07 01:06:30,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 5178 transitions. [2024-11-07 01:06:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:30,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:30,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:30,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 01:06:30,767 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:30,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1844561585, now seen corresponding path program 1 times [2024-11-07 01:06:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:30,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954666343] [2024-11-07 01:06:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:30,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:31,051 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 01:06:31,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954666343] [2024-11-07 01:06:31,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954666343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:31,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:31,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51822950] [2024-11-07 01:06:31,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:31,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:31,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:31,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:31,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:31,053 INFO L87 Difference]: Start difference. First operand 2900 states and 5178 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:33,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:33,825 INFO L93 Difference]: Finished difference Result 4492 states and 7737 transitions. [2024-11-07 01:06:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:33,825 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:33,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:33,835 INFO L225 Difference]: With dead ends: 4492 [2024-11-07 01:06:33,836 INFO L226 Difference]: Without dead ends: 3733 [2024-11-07 01:06:33,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:33,838 INFO L432 NwaCegarLoop]: 4534 mSDtfsCounter, 5565 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 3582 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5584 SdHoareTripleChecker+Valid, 22352 SdHoareTripleChecker+Invalid, 3643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 3582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:33,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5584 Valid, 22352 Invalid, 3643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 3582 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-07 01:06:33,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2024-11-07 01:06:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 3262. [2024-11-07 01:06:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 3172 states have (on average 1.764186633039092) internal successors, (5596), 3176 states have internal predecessors, (5596), 68 states have call successors, (68), 18 states have call predecessors, (68), 20 states have return successors, (73), 69 states have call predecessors, (73), 68 states have call successors, (73) [2024-11-07 01:06:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 5737 transitions. [2024-11-07 01:06:33,916 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 5737 transitions. Word has length 178 [2024-11-07 01:06:33,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:33,917 INFO L471 AbstractCegarLoop]: Abstraction has 3262 states and 5737 transitions. [2024-11-07 01:06:33,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 5737 transitions. [2024-11-07 01:06:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:33,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:33,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:33,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 01:06:33,918 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1233292527, now seen corresponding path program 1 times [2024-11-07 01:06:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644620568] [2024-11-07 01:06:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:33,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:34,148 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 01:06:34,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:34,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644620568] [2024-11-07 01:06:34,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644620568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:34,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:34,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:34,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328400122] [2024-11-07 01:06:34,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:34,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:34,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:34,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:34,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:34,151 INFO L87 Difference]: Start difference. First operand 3262 states and 5737 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:36,753 INFO L93 Difference]: Finished difference Result 5877 states and 9930 transitions. [2024-11-07 01:06:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:36,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:36,770 INFO L225 Difference]: With dead ends: 5877 [2024-11-07 01:06:36,770 INFO L226 Difference]: Without dead ends: 4756 [2024-11-07 01:06:36,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:36,775 INFO L432 NwaCegarLoop]: 4293 mSDtfsCounter, 5677 mSDsluCounter, 17128 mSDsCounter, 0 mSdLazyCounter, 3050 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5696 SdHoareTripleChecker+Valid, 21421 SdHoareTripleChecker+Invalid, 3149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 3050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:36,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5696 Valid, 21421 Invalid, 3149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 3050 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 01:06:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2024-11-07 01:06:36,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 3987. [2024-11-07 01:06:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3987 states, 3841 states have (on average 1.72533194480604) internal successors, (6627), 3847 states have internal predecessors, (6627), 110 states have call successors, (110), 30 states have call predecessors, (110), 34 states have return successors, (123), 113 states have call predecessors, (123), 110 states have call successors, (123) [2024-11-07 01:06:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 6860 transitions. [2024-11-07 01:06:36,932 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 6860 transitions. Word has length 178 [2024-11-07 01:06:36,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:36,932 INFO L471 AbstractCegarLoop]: Abstraction has 3987 states and 6860 transitions. [2024-11-07 01:06:36,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 6860 transitions. [2024-11-07 01:06:36,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:36,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:36,940 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:36,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 01:06:36,940 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:36,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:36,940 INFO L85 PathProgramCache]: Analyzing trace with hash -171899151, now seen corresponding path program 1 times [2024-11-07 01:06:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439377961] [2024-11-07 01:06:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:37,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:37,173 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 01:06:37,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:37,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439377961] [2024-11-07 01:06:37,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439377961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:37,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:37,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:37,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84564088] [2024-11-07 01:06:37,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:37,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:37,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:37,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:37,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:37,174 INFO L87 Difference]: Start difference. First operand 3987 states and 6860 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:39,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:39,964 INFO L93 Difference]: Finished difference Result 8542 states and 14121 transitions. [2024-11-07 01:06:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:39,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:39,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:39,985 INFO L225 Difference]: With dead ends: 8542 [2024-11-07 01:06:39,986 INFO L226 Difference]: Without dead ends: 6696 [2024-11-07 01:06:39,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:39,992 INFO L432 NwaCegarLoop]: 4532 mSDtfsCounter, 5563 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5582 SdHoareTripleChecker+Valid, 22350 SdHoareTripleChecker+Invalid, 3634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:39,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5582 Valid, 22350 Invalid, 3634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 01:06:40,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6696 states. [2024-11-07 01:06:40,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6696 to 5438. [2024-11-07 01:06:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5438 states, 5180 states have (on average 1.6774131274131274) internal successors, (8689), 5190 states have internal predecessors, (8689), 194 states have call successors, (194), 54 states have call predecessors, (194), 62 states have return successors, (229), 201 states have call predecessors, (229), 194 states have call successors, (229) [2024-11-07 01:06:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5438 states to 5438 states and 9112 transitions. [2024-11-07 01:06:40,205 INFO L78 Accepts]: Start accepts. Automaton has 5438 states and 9112 transitions. Word has length 178 [2024-11-07 01:06:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:40,205 INFO L471 AbstractCegarLoop]: Abstraction has 5438 states and 9112 transitions. [2024-11-07 01:06:40,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5438 states and 9112 transitions. [2024-11-07 01:06:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:40,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:40,208 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:40,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 01:06:40,209 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:40,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:40,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1722434735, now seen corresponding path program 1 times [2024-11-07 01:06:40,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:40,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686258080] [2024-11-07 01:06:40,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:40,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:40,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:40,433 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 01:06:40,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:40,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686258080] [2024-11-07 01:06:40,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686258080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:40,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:40,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:40,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173414000] [2024-11-07 01:06:40,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:40,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:40,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:40,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:40,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:40,436 INFO L87 Difference]: Start difference. First operand 5438 states and 9112 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:43,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:43,227 INFO L93 Difference]: Finished difference Result 13864 states and 22507 transitions. [2024-11-07 01:06:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:43,227 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:43,256 INFO L225 Difference]: With dead ends: 13864 [2024-11-07 01:06:43,256 INFO L226 Difference]: Without dead ends: 10567 [2024-11-07 01:06:43,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:43,266 INFO L432 NwaCegarLoop]: 4532 mSDtfsCounter, 5559 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 22350 SdHoareTripleChecker+Invalid, 3606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:43,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5578 Valid, 22350 Invalid, 3606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 01:06:43,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10567 states. [2024-11-07 01:06:43,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10567 to 8354. [2024-11-07 01:06:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8354 states, 7872 states have (on average 1.630716463414634) internal successors, (12837), 7890 states have internal predecessors, (12837), 362 states have call successors, (362), 102 states have call predecessors, (362), 118 states have return successors, (459), 377 states have call predecessors, (459), 362 states have call successors, (459) [2024-11-07 01:06:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8354 states to 8354 states and 13658 transitions. [2024-11-07 01:06:43,641 INFO L78 Accepts]: Start accepts. Automaton has 8354 states and 13658 transitions. Word has length 178 [2024-11-07 01:06:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:43,641 INFO L471 AbstractCegarLoop]: Abstraction has 8354 states and 13658 transitions. [2024-11-07 01:06:43,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 8354 states and 13658 transitions. [2024-11-07 01:06:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:43,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:43,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:43,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 01:06:43,646 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:43,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 799267309, now seen corresponding path program 1 times [2024-11-07 01:06:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:43,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235146835] [2024-11-07 01:06:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:43,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:43,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:06:43,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:43,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235146835] [2024-11-07 01:06:43,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235146835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:43,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:43,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:43,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227224336] [2024-11-07 01:06:43,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:43,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:43,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:43,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:43,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:43,856 INFO L87 Difference]: Start difference. First operand 8354 states and 13658 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:46,836 INFO L93 Difference]: Finished difference Result 24526 states and 39371 transitions. [2024-11-07 01:06:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:46,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:46,880 INFO L225 Difference]: With dead ends: 24526 [2024-11-07 01:06:46,881 INFO L226 Difference]: Without dead ends: 18313 [2024-11-07 01:06:46,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:46,892 INFO L432 NwaCegarLoop]: 4532 mSDtfsCounter, 5558 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 3530 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5577 SdHoareTripleChecker+Valid, 22350 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:46,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5577 Valid, 22350 Invalid, 3593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3530 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 01:06:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18313 states. [2024-11-07 01:06:47,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18313 to 14199. [2024-11-07 01:06:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14199 states, 13269 states have (on average 1.5940161278167158) internal successors, (21151), 13303 states have internal predecessors, (21151), 698 states have call successors, (698), 198 states have call predecessors, (698), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-07 01:06:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14199 states to 14199 states and 22822 transitions. [2024-11-07 01:06:47,402 INFO L78 Accepts]: Start accepts. Automaton has 14199 states and 22822 transitions. Word has length 178 [2024-11-07 01:06:47,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:47,403 INFO L471 AbstractCegarLoop]: Abstraction has 14199 states and 22822 transitions. [2024-11-07 01:06:47,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 14199 states and 22822 transitions. [2024-11-07 01:06:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:47,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:47,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:47,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 01:06:47,409 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:47,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1185129711, now seen corresponding path program 1 times [2024-11-07 01:06:47,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:47,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496845256] [2024-11-07 01:06:47,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:47,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:47,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:47,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:47,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:47,628 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 01:06:47,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:47,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496845256] [2024-11-07 01:06:47,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496845256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:47,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:47,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:47,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880182437] [2024-11-07 01:06:47,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:47,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:47,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:47,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:47,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:47,630 INFO L87 Difference]: Start difference. First operand 14199 states and 22822 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:49,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:49,624 INFO L93 Difference]: Finished difference Result 30624 states and 49244 transitions. [2024-11-07 01:06:49,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:06:49,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:49,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:49,681 INFO L225 Difference]: With dead ends: 30624 [2024-11-07 01:06:49,682 INFO L226 Difference]: Without dead ends: 18566 [2024-11-07 01:06:49,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:06:49,713 INFO L432 NwaCegarLoop]: 4268 mSDtfsCounter, 5111 mSDsluCounter, 16812 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 21080 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:49,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5131 Valid, 21080 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:06:49,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18566 states. [2024-11-07 01:06:50,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18566 to 14199. [2024-11-07 01:06:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14199 states, 13269 states have (on average 1.5915291280428066) internal successors, (21118), 13303 states have internal predecessors, (21118), 698 states have call successors, (698), 198 states have call predecessors, (698), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-07 01:06:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14199 states to 14199 states and 22789 transitions. [2024-11-07 01:06:50,238 INFO L78 Accepts]: Start accepts. Automaton has 14199 states and 22789 transitions. Word has length 178 [2024-11-07 01:06:50,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:50,238 INFO L471 AbstractCegarLoop]: Abstraction has 14199 states and 22789 transitions. [2024-11-07 01:06:50,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 14199 states and 22789 transitions. [2024-11-07 01:06:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:50,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:50,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:50,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 01:06:50,244 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:50,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:50,245 INFO L85 PathProgramCache]: Analyzing trace with hash 920482221, now seen corresponding path program 1 times [2024-11-07 01:06:50,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:50,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467112647] [2024-11-07 01:06:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:50,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:50,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:50,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:50,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:50,445 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 01:06:50,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:50,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467112647] [2024-11-07 01:06:50,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467112647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:50,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:50,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:50,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245061975] [2024-11-07 01:06:50,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:50,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:50,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:50,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:50,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:50,446 INFO L87 Difference]: Start difference. First operand 14199 states and 22789 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:53,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:53,924 INFO L93 Difference]: Finished difference Result 45815 states and 73057 transitions. [2024-11-07 01:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:53,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:53,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:53,993 INFO L225 Difference]: With dead ends: 45815 [2024-11-07 01:06:53,993 INFO L226 Difference]: Without dead ends: 33757 [2024-11-07 01:06:54,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:54,015 INFO L432 NwaCegarLoop]: 4532 mSDtfsCounter, 5550 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5569 SdHoareTripleChecker+Valid, 22350 SdHoareTripleChecker+Invalid, 3555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:54,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5569 Valid, 22350 Invalid, 3555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3492 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 01:06:54,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33757 states. [2024-11-07 01:06:55,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33757 to 25953. [2024-11-07 01:06:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25953 states, 24127 states have (on average 1.5664608115389398) internal successors, (37794), 24193 states have internal predecessors, (37794), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-07 01:06:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25953 states to 25953 states and 41327 transitions. [2024-11-07 01:06:55,124 INFO L78 Accepts]: Start accepts. Automaton has 25953 states and 41327 transitions. Word has length 178 [2024-11-07 01:06:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:06:55,124 INFO L471 AbstractCegarLoop]: Abstraction has 25953 states and 41327 transitions. [2024-11-07 01:06:55,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 25953 states and 41327 transitions. [2024-11-07 01:06:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:06:55,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:06:55,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:55,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 01:06:55,134 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:06:55,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:06:55,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1443359441, now seen corresponding path program 1 times [2024-11-07 01:06:55,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:06:55,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799570893] [2024-11-07 01:06:55,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:06:55,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:06:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:55,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:06:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:55,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:06:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:06:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:06:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:06:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:06:55,317 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 01:06:55,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:06:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799570893] [2024-11-07 01:06:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799570893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:06:55,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:06:55,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:06:55,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091680137] [2024-11-07 01:06:55,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:06:55,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:06:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:06:55,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:06:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:06:55,319 INFO L87 Difference]: Start difference. First operand 25953 states and 41327 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:06:59,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:06:59,546 INFO L93 Difference]: Finished difference Result 88463 states and 141305 transitions. [2024-11-07 01:06:59,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:06:59,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:06:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:06:59,726 INFO L225 Difference]: With dead ends: 88463 [2024-11-07 01:06:59,726 INFO L226 Difference]: Without dead ends: 64651 [2024-11-07 01:06:59,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:06:59,777 INFO L432 NwaCegarLoop]: 4532 mSDtfsCounter, 5549 mSDsluCounter, 17818 mSDsCounter, 0 mSdLazyCounter, 3479 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5568 SdHoareTripleChecker+Valid, 22350 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:06:59,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5568 Valid, 22350 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3479 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 01:06:59,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64651 states. [2024-11-07 01:07:02,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64651 to 49522. [2024-11-07 01:07:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49522 states, 45904 states have (on average 1.5518473335657024) internal successors, (71236), 46034 states have internal predecessors, (71236), 2714 states have call successors, (2714), 774 states have call predecessors, (2714), 902 states have return successors, (5029), 2841 states have call predecessors, (5029), 2714 states have call successors, (5029) [2024-11-07 01:07:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49522 states to 49522 states and 78979 transitions. [2024-11-07 01:07:02,341 INFO L78 Accepts]: Start accepts. Automaton has 49522 states and 78979 transitions. Word has length 178 [2024-11-07 01:07:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:02,341 INFO L471 AbstractCegarLoop]: Abstraction has 49522 states and 78979 transitions. [2024-11-07 01:07:02,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 49522 states and 78979 transitions. [2024-11-07 01:07:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:07:02,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:02,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:02,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 01:07:02,358 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:02,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1528428909, now seen corresponding path program 1 times [2024-11-07 01:07:02,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:02,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370335511] [2024-11-07 01:07:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:02,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:02,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:07:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:07:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:07:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:07:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:02,540 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 01:07:02,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:02,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370335511] [2024-11-07 01:07:02,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370335511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:02,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:02,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:02,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063279725] [2024-11-07 01:07:02,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:02,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:02,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:02,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:02,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:02,542 INFO L87 Difference]: Start difference. First operand 49522 states and 78979 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:08,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:08,969 INFO L93 Difference]: Finished difference Result 173758 states and 279647 transitions. [2024-11-07 01:07:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:08,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:07:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:09,361 INFO L225 Difference]: With dead ends: 173758 [2024-11-07 01:07:09,361 INFO L226 Difference]: Without dead ends: 126377 [2024-11-07 01:07:09,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:09,506 INFO L432 NwaCegarLoop]: 4293 mSDtfsCounter, 5650 mSDsluCounter, 17128 mSDsCounter, 0 mSdLazyCounter, 2974 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5669 SdHoareTripleChecker+Valid, 21421 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:09,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5669 Valid, 21421 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2974 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 01:07:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126377 states. [2024-11-07 01:07:13,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126377 to 96787. [2024-11-07 01:07:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96787 states, 89585 states have (on average 1.5438968577328793) internal successors, (138310), 89843 states have internal predecessors, (138310), 5402 states have call successors, (5402), 1542 states have call predecessors, (5402), 1798 states have return successors, (12219), 5657 states have call predecessors, (12219), 5402 states have call successors, (12219) [2024-11-07 01:07:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96787 states to 96787 states and 155931 transitions. [2024-11-07 01:07:13,668 INFO L78 Accepts]: Start accepts. Automaton has 96787 states and 155931 transitions. Word has length 178 [2024-11-07 01:07:13,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:13,668 INFO L471 AbstractCegarLoop]: Abstraction has 96787 states and 155931 transitions. [2024-11-07 01:07:13,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 96787 states and 155931 transitions. [2024-11-07 01:07:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:07:13,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:13,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:13,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 01:07:13,702 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:13,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:13,702 INFO L85 PathProgramCache]: Analyzing trace with hash -869558929, now seen corresponding path program 1 times [2024-11-07 01:07:13,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:13,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920234120] [2024-11-07 01:07:13,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:13,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:13,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:07:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:13,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:07:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:13,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:07:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:13,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:07:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:13,875 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 01:07:13,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:13,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920234120] [2024-11-07 01:07:13,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920234120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:13,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:13,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:13,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218731939] [2024-11-07 01:07:13,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:13,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:13,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:13,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:13,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:13,877 INFO L87 Difference]: Start difference. First operand 96787 states and 155931 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:20,485 INFO L93 Difference]: Finished difference Result 222896 states and 366531 transitions. [2024-11-07 01:07:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:07:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:07:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:20,877 INFO L225 Difference]: With dead ends: 222896 [2024-11-07 01:07:20,877 INFO L226 Difference]: Without dead ends: 128250 [2024-11-07 01:07:21,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:07:21,073 INFO L432 NwaCegarLoop]: 4268 mSDtfsCounter, 5117 mSDsluCounter, 16812 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5137 SdHoareTripleChecker+Valid, 21080 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:21,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5137 Valid, 21080 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:07:21,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128250 states. [2024-11-07 01:07:25,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128250 to 96787. [2024-11-07 01:07:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96787 states, 89585 states have (on average 1.5410280738962996) internal successors, (138053), 89843 states have internal predecessors, (138053), 5402 states have call successors, (5402), 1542 states have call predecessors, (5402), 1798 states have return successors, (12219), 5657 states have call predecessors, (12219), 5402 states have call successors, (12219) [2024-11-07 01:07:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96787 states to 96787 states and 155674 transitions. [2024-11-07 01:07:25,753 INFO L78 Accepts]: Start accepts. Automaton has 96787 states and 155674 transitions. Word has length 178 [2024-11-07 01:07:25,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:25,753 INFO L471 AbstractCegarLoop]: Abstraction has 96787 states and 155674 transitions. [2024-11-07 01:07:25,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 96787 states and 155674 transitions. [2024-11-07 01:07:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 01:07:25,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:25,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:25,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 01:07:25,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:25,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:25,782 INFO L85 PathProgramCache]: Analyzing trace with hash -531271379, now seen corresponding path program 1 times [2024-11-07 01:07:25,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:25,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248568017] [2024-11-07 01:07:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:25,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 01:07:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:07:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:07:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 01:07:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,957 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 01:07:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248568017] [2024-11-07 01:07:25,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248568017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:25,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:25,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:25,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930453821] [2024-11-07 01:07:25,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:25,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:25,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:25,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:25,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:25,959 INFO L87 Difference]: Start difference. First operand 96787 states and 155674 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:37,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:37,382 INFO L93 Difference]: Finished difference Result 389145 states and 629291 transitions. [2024-11-07 01:07:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 01:07:37,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 178 [2024-11-07 01:07:37,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:38,246 INFO L225 Difference]: With dead ends: 389145 [2024-11-07 01:07:38,246 INFO L226 Difference]: Without dead ends: 294499 [2024-11-07 01:07:38,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:07:38,552 INFO L432 NwaCegarLoop]: 4530 mSDtfsCounter, 6028 mSDsluCounter, 17810 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6060 SdHoareTripleChecker+Valid, 22340 SdHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:38,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6060 Valid, 22340 Invalid, 3468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 01:07:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294499 states.