./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label46+token_ring.15.cil.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.15.cil.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', '5a40438206222cb8b2973fadc665b92d328ce78e3a9921112a2f9717aab2538e'] 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.15.cil.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 5a40438206222cb8b2973fadc665b92d328ce78e3a9921112a2f9717aab2538e --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 01:07:00,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 01:07:00,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 01:07:00,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 01:07:00,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 01:07:00,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 01:07:00,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 01:07:00,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 01:07:00,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 01:07:00,347 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 01:07:00,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 01:07:00,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 01:07:00,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 01:07:00,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 01:07:00,348 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 01:07:00,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 01:07:00,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 01:07:00,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 01:07:00,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 01:07:00,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 01:07:00,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 01:07:00,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 01:07:00,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 01:07:00,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 01:07:00,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 01:07:00,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:07:00,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 01:07:00,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 01:07:00,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 01:07:00,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 01:07:00,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 01:07:00,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 01:07:00,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 01:07:00,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 01:07:00,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 01:07:00,352 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 -> 5a40438206222cb8b2973fadc665b92d328ce78e3a9921112a2f9717aab2538e [2024-11-07 01:07:00,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 01:07:00,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 01:07:00,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 01:07:00,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 01:07:00,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 01:07:00,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label46+token_ring.15.cil.c [2024-11-07 01:07:01,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 01:07:02,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 01:07:02,529 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label46+token_ring.15.cil.c [2024-11-07 01:07:02,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ddfa85e42/83785b90649e41c29a20babed98933db/FLAG078b01f52 [2024-11-07 01:07:02,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ddfa85e42/83785b90649e41c29a20babed98933db [2024-11-07 01:07:02,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 01:07:02,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 01:07:02,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 01:07:02,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 01:07:02,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 01:07:02,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:02" (1/1) ... [2024-11-07 01:07:02,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14158594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:02, skipping insertion in model container [2024-11-07 01:07:02,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:02" (1/1) ... [2024-11-07 01:07:02,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 01:07:03,970 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.15.cil.c[382357,382370] [2024-11-07 01:07:03,998 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.15.cil.c[383339,383352] [2024-11-07 01:07:04,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:07:04,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 01:07:04,887 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.15.cil.c[382357,382370] [2024-11-07 01:07:04,893 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.15.cil.c[383339,383352] [2024-11-07 01:07:04,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:07:04,981 INFO L204 MainTranslator]: Completed translation [2024-11-07 01:07:04,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04 WrapperNode [2024-11-07 01:07:04,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 01:07:04,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 01:07:04,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 01:07:04,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 01:07:04,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,498 INFO L138 Inliner]: procedures = 70, calls = 81, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 13297 [2024-11-07 01:07:05,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 01:07:05,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 01:07:05,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 01:07:05,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 01:07:05,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,556 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,684 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 01:07:05,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:05,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:06,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:06,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 01:07:06,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 01:07:06,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 01:07:06,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 01:07:06,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (1/1) ... [2024-11-07 01:07:06,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:07:06,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:07:06,218 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 01:07:06,237 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 01:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 01:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-07 01:07:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-07 01:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-07 01:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-07 01:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-07 01:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-07 01:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-07 01:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-07 01:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-07 01:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-07 01:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-07 01:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-07 01:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-07 01:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-07 01:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 01:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 01:07:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 01:07:06,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 01:07:06,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 01:07:14,565 INFO L? ?]: Removed 1765 outVars from TransFormulas that were not future-live. [2024-11-07 01:07:14,566 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 01:07:14,626 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 01:07:14,626 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-07 01:07:14,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:14 BoogieIcfgContainer [2024-11-07 01:07:14,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 01:07:14,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 01:07:14,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 01:07:14,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 01:07:14,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:07:02" (1/3) ... [2024-11-07 01:07:14,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b264623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:14, skipping insertion in model container [2024-11-07 01:07:14,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04" (2/3) ... [2024-11-07 01:07:14,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b264623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:14, skipping insertion in model container [2024-11-07 01:07:14,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:14" (3/3) ... [2024-11-07 01:07:14,639 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label46+token_ring.15.cil.c [2024-11-07 01:07:14,651 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 01:07:14,652 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 01:07:14,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 01:07:14,770 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;@5ac76481, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 01:07:14,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 01:07:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 2610 states, 2571 states have (on average 1.837417347335667) internal successors, (4724), 2576 states have internal predecessors, (4724), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 01:07:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:14,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:14,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:14,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:14,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:14,810 INFO L85 PathProgramCache]: Analyzing trace with hash 407671358, now seen corresponding path program 1 times [2024-11-07 01:07:14,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:14,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903671429] [2024-11-07 01:07:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:14,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:15,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:15,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:15,551 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 01:07:15,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:15,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903671429] [2024-11-07 01:07:15,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903671429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:15,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:15,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:07:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633687336] [2024-11-07 01:07:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:15,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:07:15,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:07:15,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:07:15,590 INFO L87 Difference]: Start difference. First operand has 2610 states, 2571 states have (on average 1.837417347335667) internal successors, (4724), 2576 states have internal predecessors, (4724), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:18,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:18,027 INFO L93 Difference]: Finished difference Result 5364 states and 9813 transitions. [2024-11-07 01:07:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 01:07:18,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:18,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:18,066 INFO L225 Difference]: With dead ends: 5364 [2024-11-07 01:07:18,067 INFO L226 Difference]: Without dead ends: 2695 [2024-11-07 01:07:18,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:07:18,083 INFO L432 NwaCegarLoop]: 4413 mSDtfsCounter, 1135 mSDsluCounter, 12529 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 16942 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:18,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 16942 Invalid, 1176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 01:07:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2024-11-07 01:07:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2542. [2024-11-07 01:07:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 2505 states have (on average 1.8199600798403193) internal successors, (4559), 2508 states have internal predecessors, (4559), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 01:07:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 4615 transitions. [2024-11-07 01:07:18,267 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 4615 transitions. Word has length 190 [2024-11-07 01:07:18,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:18,268 INFO L471 AbstractCegarLoop]: Abstraction has 2542 states and 4615 transitions. [2024-11-07 01:07:18,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 4615 transitions. [2024-11-07 01:07:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:18,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:18,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:18,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 01:07:18,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:18,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1223718588, now seen corresponding path program 1 times [2024-11-07 01:07:18,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:18,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530791959] [2024-11-07 01:07:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:18,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:18,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:18,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:18,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:18,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:18,614 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 01:07:18,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:18,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530791959] [2024-11-07 01:07:18,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530791959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:18,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:18,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:07:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530496707] [2024-11-07 01:07:18,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:18,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:07:18,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:07:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:07:18,617 INFO L87 Difference]: Start difference. First operand 2542 states and 4615 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:20,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:20,730 INFO L93 Difference]: Finished difference Result 3099 states and 5507 transitions. [2024-11-07 01:07:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 01:07:20,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:20,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:20,744 INFO L225 Difference]: With dead ends: 3099 [2024-11-07 01:07:20,744 INFO L226 Difference]: Without dead ends: 2695 [2024-11-07 01:07:20,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:07:20,747 INFO L432 NwaCegarLoop]: 4343 mSDtfsCounter, 1121 mSDsluCounter, 12326 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 16669 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:20,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 16669 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 01:07:20,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2024-11-07 01:07:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2542. [2024-11-07 01:07:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 2505 states have (on average 1.8195608782435129) internal successors, (4558), 2508 states have internal predecessors, (4558), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 01:07:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 4614 transitions. [2024-11-07 01:07:20,833 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 4614 transitions. Word has length 190 [2024-11-07 01:07:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:20,834 INFO L471 AbstractCegarLoop]: Abstraction has 2542 states and 4614 transitions. [2024-11-07 01:07:20,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 4614 transitions. [2024-11-07 01:07:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:20,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:20,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:20,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 01:07:20,838 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:20,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash 575125818, now seen corresponding path program 1 times [2024-11-07 01:07:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:20,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256555767] [2024-11-07 01:07:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:21,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:21,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:21,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:21,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:21,267 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 01:07:21,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:21,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256555767] [2024-11-07 01:07:21,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256555767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:21,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:21,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:07:21,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015200329] [2024-11-07 01:07:21,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:21,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:07:21,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:21,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:07:21,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:07:21,272 INFO L87 Difference]: Start difference. First operand 2542 states and 4614 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:24,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:24,877 INFO L93 Difference]: Finished difference Result 3668 states and 6425 transitions. [2024-11-07 01:07:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 01:07:24,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:24,897 INFO L225 Difference]: With dead ends: 3668 [2024-11-07 01:07:24,897 INFO L226 Difference]: Without dead ends: 3268 [2024-11-07 01:07:24,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:07:24,903 INFO L432 NwaCegarLoop]: 4311 mSDtfsCounter, 5658 mSDsluCounter, 12957 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5678 SdHoareTripleChecker+Valid, 17268 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:24,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5678 Valid, 17268 Invalid, 2557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 01:07:24,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2024-11-07 01:07:25,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2961. [2024-11-07 01:07:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2895 states have (on average 1.7875647668393781) internal successors, (5175), 2899 states have internal predecessors, (5175), 51 states have call successors, (51), 13 states have call predecessors, (51), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2024-11-07 01:07:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 5278 transitions. [2024-11-07 01:07:25,019 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 5278 transitions. Word has length 190 [2024-11-07 01:07:25,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:25,020 INFO L471 AbstractCegarLoop]: Abstraction has 2961 states and 5278 transitions. [2024-11-07 01:07:25,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 5278 transitions. [2024-11-07 01:07:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:25,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:25,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:25,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 01:07:25,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:25,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:25,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1271900618, now seen corresponding path program 1 times [2024-11-07 01:07:25,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:25,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100396718] [2024-11-07 01:07:25,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:25,371 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 01:07:25,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:25,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100396718] [2024-11-07 01:07:25,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100396718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:25,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:25,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:25,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235008254] [2024-11-07 01:07:25,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:25,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:25,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:25,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:25,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:25,374 INFO L87 Difference]: Start difference. First operand 2961 states and 5278 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:29,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:29,259 INFO L93 Difference]: Finished difference Result 4680 states and 8048 transitions. [2024-11-07 01:07:29,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:29,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:29,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:29,280 INFO L225 Difference]: With dead ends: 4680 [2024-11-07 01:07:29,280 INFO L226 Difference]: Without dead ends: 3861 [2024-11-07 01:07:29,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:29,285 INFO L432 NwaCegarLoop]: 4586 mSDtfsCounter, 5703 mSDsluCounter, 18002 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5723 SdHoareTripleChecker+Valid, 22588 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:29,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5723 Valid, 22588 Invalid, 3927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 01:07:29,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2024-11-07 01:07:29,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3351. [2024-11-07 01:07:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3351 states, 3256 states have (on average 1.761056511056511) internal successors, (5734), 3261 states have internal predecessors, (5734), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2024-11-07 01:07:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 3351 states and 5883 transitions. [2024-11-07 01:07:29,481 INFO L78 Accepts]: Start accepts. Automaton has 3351 states and 5883 transitions. Word has length 190 [2024-11-07 01:07:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:29,481 INFO L471 AbstractCegarLoop]: Abstraction has 3351 states and 5883 transitions. [2024-11-07 01:07:29,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3351 states and 5883 transitions. [2024-11-07 01:07:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:29,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:29,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:29,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 01:07:29,488 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:29,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:29,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1099816248, now seen corresponding path program 1 times [2024-11-07 01:07:29,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:29,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641175334] [2024-11-07 01:07:29,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:29,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:29,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:29,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:07:29,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:29,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641175334] [2024-11-07 01:07:29,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641175334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:29,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:29,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:29,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238857534] [2024-11-07 01:07:29,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:29,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:29,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:29,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:29,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:29,968 INFO L87 Difference]: Start difference. First operand 3351 states and 5883 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:33,852 INFO L93 Difference]: Finished difference Result 6172 states and 10421 transitions. [2024-11-07 01:07:33,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:33,853 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:33,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:33,874 INFO L225 Difference]: With dead ends: 6172 [2024-11-07 01:07:33,875 INFO L226 Difference]: Without dead ends: 4963 [2024-11-07 01:07:33,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:33,882 INFO L432 NwaCegarLoop]: 4584 mSDtfsCounter, 5697 mSDsluCounter, 18002 mSDsCounter, 0 mSdLazyCounter, 3839 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5717 SdHoareTripleChecker+Valid, 22586 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:33,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5717 Valid, 22586 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3839 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 01:07:33,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2024-11-07 01:07:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4135. [2024-11-07 01:07:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4135 states, 3982 states have (on average 1.7225012556504269) internal successors, (6859), 3989 states have internal predecessors, (6859), 117 states have call successors, (117), 31 states have call predecessors, (117), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2024-11-07 01:07:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 4135 states and 7104 transitions. [2024-11-07 01:07:34,063 INFO L78 Accepts]: Start accepts. Automaton has 4135 states and 7104 transitions. Word has length 190 [2024-11-07 01:07:34,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:34,063 INFO L471 AbstractCegarLoop]: Abstraction has 4135 states and 7104 transitions. [2024-11-07 01:07:34,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 7104 transitions. [2024-11-07 01:07:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:34,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:34,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:34,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 01:07:34,068 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:34,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:34,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1598373050, now seen corresponding path program 1 times [2024-11-07 01:07:34,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:34,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078156544] [2024-11-07 01:07:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:34,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:34,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:34,660 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 01:07:34,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:34,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078156544] [2024-11-07 01:07:34,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078156544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:34,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:34,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:34,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482230954] [2024-11-07 01:07:34,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:34,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:34,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:34,666 INFO L87 Difference]: Start difference. First operand 4135 states and 7104 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:38,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:38,647 INFO L93 Difference]: Finished difference Result 9050 states and 14966 transitions. [2024-11-07 01:07:38,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:38,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:38,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:38,675 INFO L225 Difference]: With dead ends: 9050 [2024-11-07 01:07:38,675 INFO L226 Difference]: Without dead ends: 7057 [2024-11-07 01:07:38,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:38,683 INFO L432 NwaCegarLoop]: 4584 mSDtfsCounter, 5696 mSDsluCounter, 18002 mSDsCounter, 0 mSdLazyCounter, 3826 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5716 SdHoareTripleChecker+Valid, 22586 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:38,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5716 Valid, 22586 Invalid, 3895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3826 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 01:07:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7057 states. [2024-11-07 01:07:38,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7057 to 5704. [2024-11-07 01:07:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5704 states, 5435 states have (on average 1.6759889604415823) internal successors, (9109), 5446 states have internal predecessors, (9109), 205 states have call successors, (205), 55 states have call predecessors, (205), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2024-11-07 01:07:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 9552 transitions. [2024-11-07 01:07:38,926 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 9552 transitions. Word has length 190 [2024-11-07 01:07:38,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:38,926 INFO L471 AbstractCegarLoop]: Abstraction has 5704 states and 9552 transitions. [2024-11-07 01:07:38,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 9552 transitions. [2024-11-07 01:07:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:38,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:38,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:38,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 01:07:38,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:38,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2126322440, now seen corresponding path program 1 times [2024-11-07 01:07:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090276267] [2024-11-07 01:07:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:39,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:39,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:39,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:39,452 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 01:07:39,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:39,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090276267] [2024-11-07 01:07:39,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090276267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:39,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:39,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:39,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569383270] [2024-11-07 01:07:39,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:39,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:39,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:39,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:39,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:39,455 INFO L87 Difference]: Start difference. First operand 5704 states and 9552 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:43,453 INFO L93 Difference]: Finished difference Result 14805 states and 24072 transitions. [2024-11-07 01:07:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:43,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:43,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:43,523 INFO L225 Difference]: With dead ends: 14805 [2024-11-07 01:07:43,523 INFO L226 Difference]: Without dead ends: 11243 [2024-11-07 01:07:43,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:43,549 INFO L432 NwaCegarLoop]: 4584 mSDtfsCounter, 5695 mSDsluCounter, 18002 mSDsCounter, 0 mSdLazyCounter, 3813 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5715 SdHoareTripleChecker+Valid, 22586 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:43,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5715 Valid, 22586 Invalid, 3882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3813 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 01:07:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11243 states. [2024-11-07 01:07:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11243 to 8849. [2024-11-07 01:07:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8849 states, 8348 states have (on average 1.631408720651653) internal successors, (13619), 8367 states have internal predecessors, (13619), 381 states have call successors, (381), 103 states have call predecessors, (381), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2024-11-07 01:07:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8849 states to 8849 states and 14476 transitions. [2024-11-07 01:07:44,149 INFO L78 Accepts]: Start accepts. Automaton has 8849 states and 14476 transitions. Word has length 190 [2024-11-07 01:07:44,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:44,149 INFO L471 AbstractCegarLoop]: Abstraction has 8849 states and 14476 transitions. [2024-11-07 01:07:44,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8849 states and 14476 transitions. [2024-11-07 01:07:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:44,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:44,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:44,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 01:07:44,156 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:44,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:44,157 INFO L85 PathProgramCache]: Analyzing trace with hash -722453254, now seen corresponding path program 1 times [2024-11-07 01:07:44,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:44,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890805162] [2024-11-07 01:07:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:44,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:44,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:44,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:44,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:44,508 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 01:07:44,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:44,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890805162] [2024-11-07 01:07:44,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890805162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:44,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:44,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:44,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35913013] [2024-11-07 01:07:44,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:44,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:44,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:44,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:44,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:44,510 INFO L87 Difference]: Start difference. First operand 8849 states and 14476 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:48,586 INFO L93 Difference]: Finished difference Result 26316 states and 42346 transitions. [2024-11-07 01:07:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:48,587 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:48,651 INFO L225 Difference]: With dead ends: 26316 [2024-11-07 01:07:48,652 INFO L226 Difference]: Without dead ends: 19609 [2024-11-07 01:07:48,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:48,675 INFO L432 NwaCegarLoop]: 4321 mSDtfsCounter, 5808 mSDsluCounter, 17242 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5828 SdHoareTripleChecker+Valid, 21563 SdHoareTripleChecker+Invalid, 3359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:48,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5828 Valid, 21563 Invalid, 3359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3248 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-07 01:07:48,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19609 states. [2024-11-07 01:07:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19609 to 15154. [2024-11-07 01:07:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15154 states, 14189 states have (on average 1.5970822468109098) internal successors, (22661), 14224 states have internal predecessors, (22661), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2024-11-07 01:07:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15154 states to 15154 states and 24400 transitions. [2024-11-07 01:07:49,574 INFO L78 Accepts]: Start accepts. Automaton has 15154 states and 24400 transitions. Word has length 190 [2024-11-07 01:07:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:49,574 INFO L471 AbstractCegarLoop]: Abstraction has 15154 states and 24400 transitions. [2024-11-07 01:07:49,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15154 states and 24400 transitions. [2024-11-07 01:07:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:49,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:49,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:49,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 01:07:49,588 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:49,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:49,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1508451144, now seen corresponding path program 1 times [2024-11-07 01:07:49,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:49,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329006147] [2024-11-07 01:07:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:49,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:50,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:50,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:50,243 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 01:07:50,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:50,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329006147] [2024-11-07 01:07:50,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329006147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:50,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:50,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:50,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800366611] [2024-11-07 01:07:50,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:50,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:50,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:50,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:50,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:50,246 INFO L87 Difference]: Start difference. First operand 15154 states and 24400 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:52,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:52,798 INFO L93 Difference]: Finished difference Result 32900 states and 53033 transitions. [2024-11-07 01:07:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:07:52,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:52,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:52,863 INFO L225 Difference]: With dead ends: 32900 [2024-11-07 01:07:52,863 INFO L226 Difference]: Without dead ends: 19888 [2024-11-07 01:07:52,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:07:52,901 INFO L432 NwaCegarLoop]: 4296 mSDtfsCounter, 5204 mSDsluCounter, 16900 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5225 SdHoareTripleChecker+Valid, 21196 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:52,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5225 Valid, 21196 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 01:07:52,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19888 states. [2024-11-07 01:07:53,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19888 to 15154. [2024-11-07 01:07:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15154 states, 14189 states have (on average 1.5947565015152583) internal successors, (22628), 14224 states have internal predecessors, (22628), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2024-11-07 01:07:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15154 states to 15154 states and 24367 transitions. [2024-11-07 01:07:53,930 INFO L78 Accepts]: Start accepts. Automaton has 15154 states and 24367 transitions. Word has length 190 [2024-11-07 01:07:53,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:07:53,931 INFO L471 AbstractCegarLoop]: Abstraction has 15154 states and 24367 transitions. [2024-11-07 01:07:53,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 15154 states and 24367 transitions. [2024-11-07 01:07:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:07:53,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:07:53,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:07:53,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 01:07:53,940 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:07:53,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:07:53,940 INFO L85 PathProgramCache]: Analyzing trace with hash -841069254, now seen corresponding path program 1 times [2024-11-07 01:07:53,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:07:53,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607247777] [2024-11-07 01:07:53,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:07:53,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:07:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:54,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:07:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:54,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:07:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:54,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:07:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:07:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:07:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:07:54,242 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 01:07:54,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:07:54,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607247777] [2024-11-07 01:07:54,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607247777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:07:54,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:07:54,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:07:54,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512496541] [2024-11-07 01:07:54,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:07:54,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:07:54,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:07:54,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:07:54,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:07:54,244 INFO L87 Difference]: Start difference. First operand 15154 states and 24367 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:07:59,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:07:59,189 INFO L93 Difference]: Finished difference Result 49305 states and 78856 transitions. [2024-11-07 01:07:59,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:07:59,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:07:59,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:07:59,373 INFO L225 Difference]: With dead ends: 49305 [2024-11-07 01:07:59,373 INFO L226 Difference]: Without dead ends: 36293 [2024-11-07 01:07:59,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:07:59,409 INFO L432 NwaCegarLoop]: 4584 mSDtfsCounter, 5686 mSDsluCounter, 18002 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5706 SdHoareTripleChecker+Valid, 22586 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:07:59,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5706 Valid, 22586 Invalid, 3831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3762 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 01:07:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36293 states. [2024-11-07 01:08:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36293 to 27828. [2024-11-07 01:08:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27828 states, 25935 states have (on average 1.5716213610950454) internal successors, (40760), 26002 states have internal predecessors, (40760), 1437 states have call successors, (1437), 391 states have call predecessors, (1437), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2024-11-07 01:08:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27828 states to 27828 states and 44425 transitions. [2024-11-07 01:08:00,682 INFO L78 Accepts]: Start accepts. Automaton has 27828 states and 44425 transitions. Word has length 190 [2024-11-07 01:08:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:08:00,682 INFO L471 AbstractCegarLoop]: Abstraction has 27828 states and 44425 transitions. [2024-11-07 01:08:00,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:08:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27828 states and 44425 transitions. [2024-11-07 01:08:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:08:00,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:08:00,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:08:00,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 01:08:00,699 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:08:00,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:08:00,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1258669176, now seen corresponding path program 1 times [2024-11-07 01:08:00,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:08:00,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501380977] [2024-11-07 01:08:00,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:08:00,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:08:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:00,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:08:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:01,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:08:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:08:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:01,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:08:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:08:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:01,118 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 01:08:01,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:08:01,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501380977] [2024-11-07 01:08:01,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501380977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:08:01,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:08:01,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:08:01,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685934663] [2024-11-07 01:08:01,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:08:01,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:08:01,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:08:01,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:08:01,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:08:01,121 INFO L87 Difference]: Start difference. First operand 27828 states and 44425 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:08:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:08:07,197 INFO L93 Difference]: Finished difference Result 95353 states and 152752 transitions. [2024-11-07 01:08:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:08:07,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2024-11-07 01:08:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:08:07,455 INFO L225 Difference]: With dead ends: 95353 [2024-11-07 01:08:07,455 INFO L226 Difference]: Without dead ends: 69667 [2024-11-07 01:08:07,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:08:07,537 INFO L432 NwaCegarLoop]: 4584 mSDtfsCounter, 5691 mSDsluCounter, 18002 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5711 SdHoareTripleChecker+Valid, 22586 SdHoareTripleChecker+Invalid, 3813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:08:07,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5711 Valid, 22586 Invalid, 3813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 3744 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 01:08:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69667 states. [2024-11-07 01:08:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69667 to 53237. [2024-11-07 01:08:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53237 states, 49488 states have (on average 1.558236340122858) internal successors, (77114), 49619 states have internal predecessors, (77114), 2845 states have call successors, (2845), 775 states have call predecessors, (2845), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2024-11-07 01:08:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53237 states to 53237 states and 85117 transitions. [2024-11-07 01:08:10,793 INFO L78 Accepts]: Start accepts. Automaton has 53237 states and 85117 transitions. Word has length 190 [2024-11-07 01:08:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:08:10,793 INFO L471 AbstractCegarLoop]: Abstraction has 53237 states and 85117 transitions. [2024-11-07 01:08:10,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:08:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 53237 states and 85117 transitions. [2024-11-07 01:08:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 01:08:10,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:08:10,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:08:10,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 01:08:10,820 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:08:10,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:08:10,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1603497338, now seen corresponding path program 1 times [2024-11-07 01:08:10,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:08:10,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502466772] [2024-11-07 01:08:10,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:08:10,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:08:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:10,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:08:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:08:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:08:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:11,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:08:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:11,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:08:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:08:11,066 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 01:08:11,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:08:11,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502466772] [2024-11-07 01:08:11,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502466772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:08:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:08:11,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:08:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085804831] [2024-11-07 01:08:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:08:11,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:08:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:08:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:08:11,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:08:11,068 INFO L87 Difference]: Start difference. First operand 53237 states and 85117 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)