./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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', '64bit', '--witnessprinter.graph.data.programhash', 'eaecbd2b00198626b31f3b7c67d0aafe744fc283c09b33497ad29b2c3fc75ef2'] 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash eaecbd2b00198626b31f3b7c67d0aafe744fc283c09b33497ad29b2c3fc75ef2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 02:04:06,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 02:04:06,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 02:04:06,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 02:04:06,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 02:04:06,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 02:04:06,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 02:04:06,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 02:04:06,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 02:04:06,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 02:04:06,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 02:04:06,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 02:04:06,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 02:04:06,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 02:04:06,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 02:04:06,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 02:04:06,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 02:04:06,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:04:06,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 02:04:06,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 02:04:06,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 02:04:06,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 02:04:06,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 02:04:06,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 02:04:06,915 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaecbd2b00198626b31f3b7c67d0aafe744fc283c09b33497ad29b2c3fc75ef2 [2024-11-07 02:04:07,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 02:04:07,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 02:04:07,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 02:04:07,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 02:04:07,136 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 02:04:07,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c [2024-11-07 02:04:08,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 02:04:08,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 02:04:08,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c [2024-11-07 02:04:08,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/565600e9a/b2cea86cf8e64781ac4ca7ba5dc6413d/FLAGaa044d0ef [2024-11-07 02:04:08,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/565600e9a/b2cea86cf8e64781ac4ca7ba5dc6413d [2024-11-07 02:04:08,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 02:04:08,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 02:04:08,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 02:04:08,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 02:04:08,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 02:04:08,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:04:08" (1/1) ... [2024-11-07 02:04:08,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aadce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:08, skipping insertion in model container [2024-11-07 02:04:08,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:04:08" (1/1) ... [2024-11-07 02:04:09,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 02:04:09,326 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c[1325,1338] [2024-11-07 02:04:10,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:04:10,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 02:04:10,339 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c[1325,1338] [2024-11-07 02:04:10,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 02:04:10,791 INFO L204 MainTranslator]: Completed translation [2024-11-07 02:04:10,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10 WrapperNode [2024-11-07 02:04:10,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 02:04:10,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 02:04:10,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 02:04:10,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 02:04:10,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:10,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:12,557 INFO L138 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24076 [2024-11-07 02:04:12,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 02:04:12,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 02:04:12,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 02:04:12,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 02:04:12,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:12,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:13,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:13,726 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 02:04:13,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:13,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:14,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:14,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:14,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:14,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:14,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 02:04:14,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 02:04:14,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 02:04:14,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 02:04:14,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (1/1) ... [2024-11-07 02:04:14,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 02:04:14,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 02:04:14,938 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 02:04:14,943 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 02:04:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 02:04:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 02:04:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 02:04:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 02:04:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 02:04:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 02:04:16,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 02:04:16,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 02:05:10,802 INFO L? ?]: Removed 14058 outVars from TransFormulas that were not future-live. [2024-11-07 02:05:10,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 02:05:10,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 02:05:10,875 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 02:05:10,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:05:10 BoogieIcfgContainer [2024-11-07 02:05:10,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 02:05:10,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 02:05:10,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 02:05:10,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 02:05:10,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:04:08" (1/3) ... [2024-11-07 02:05:10,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b4160a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:05:10, skipping insertion in model container [2024-11-07 02:05:10,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:04:10" (2/3) ... [2024-11-07 02:05:10,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b4160a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:05:10, skipping insertion in model container [2024-11-07 02:05:10,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:05:10" (3/3) ... [2024-11-07 02:05:10,884 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w16_d64_e0.c [2024-11-07 02:05:10,895 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 02:05:10,896 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 02:05:11,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 02:05:11,030 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;@3549ed25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 02:05:11,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 02:05:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 6534 states, 6515 states have (on average 1.498541826554106) internal successors, (9763), 6516 states have internal predecessors, (9763), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 02:05:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590 [2024-11-07 02:05:11,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:05:11,115 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:11,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:05:11,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:05:11,119 INFO L85 PathProgramCache]: Analyzing trace with hash -203509148, now seen corresponding path program 1 times [2024-11-07 02:05:11,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:05:11,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745356520] [2024-11-07 02:05:11,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:05:11,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:05:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 02:05:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-07 02:05:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-11-07 02:05:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-11-07 02:05:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2024-11-07 02:05:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-11-07 02:05:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-11-07 02:05:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2024-11-07 02:05:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2024-11-07 02:05:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2024-11-07 02:05:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2024-11-07 02:05:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-11-07 02:05:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2024-11-07 02:05:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-07 02:05:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-07 02:05:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-07 02:05:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 02:05:13,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:05:13,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745356520] [2024-11-07 02:05:13,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745356520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:05:13,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:05:13,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 02:05:13,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021572022] [2024-11-07 02:05:13,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:05:13,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 02:05:13,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:05:13,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 02:05:13,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 02:05:13,291 INFO L87 Difference]: Start difference. First operand has 6534 states, 6515 states have (on average 1.498541826554106) internal successors, (9763), 6516 states have internal predecessors, (9763), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 756.0) internal successors, (1512), 2 states have internal predecessors, (1512), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 02:05:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:05:13,487 INFO L93 Difference]: Finished difference Result 11683 states and 17532 transitions. [2024-11-07 02:05:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 02:05:13,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 756.0) internal successors, (1512), 2 states have internal predecessors, (1512), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 1589 [2024-11-07 02:05:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:05:13,530 INFO L225 Difference]: With dead ends: 11683 [2024-11-07 02:05:13,531 INFO L226 Difference]: Without dead ends: 6531 [2024-11-07 02:05:13,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 02:05:13,544 INFO L432 NwaCegarLoop]: 9790 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9790 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:05:13,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9790 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 02:05:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6531 states. [2024-11-07 02:05:13,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6531 to 6531. [2024-11-07 02:05:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 6513 states have (on average 1.4982343006295102) internal successors, (9758), 6513 states have internal predecessors, (9758), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 02:05:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9790 transitions. [2024-11-07 02:05:13,745 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9790 transitions. Word has length 1589 [2024-11-07 02:05:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:05:13,747 INFO L471 AbstractCegarLoop]: Abstraction has 6531 states and 9790 transitions. [2024-11-07 02:05:13,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 756.0) internal successors, (1512), 2 states have internal predecessors, (1512), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 02:05:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9790 transitions. [2024-11-07 02:05:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590 [2024-11-07 02:05:13,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:05:13,794 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:13,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 02:05:13,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:05:13,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:05:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1292810428, now seen corresponding path program 1 times [2024-11-07 02:05:13,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:05:13,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330596038] [2024-11-07 02:05:13,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:05:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:05:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 02:05:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-07 02:05:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-11-07 02:05:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-11-07 02:05:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2024-11-07 02:05:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-11-07 02:05:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-11-07 02:05:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2024-11-07 02:05:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2024-11-07 02:05:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2024-11-07 02:05:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2024-11-07 02:05:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-11-07 02:05:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2024-11-07 02:05:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-07 02:05:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-07 02:05:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-07 02:05:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 02:05:19,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:05:19,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330596038] [2024-11-07 02:05:19,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330596038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:05:19,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:05:19,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 02:05:19,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545287430] [2024-11-07 02:05:19,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:05:19,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 02:05:19,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:05:19,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 02:05:19,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 02:05:19,604 INFO L87 Difference]: Start difference. First operand 6531 states and 9790 transitions. Second operand has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 02:05:21,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:05:21,003 INFO L93 Difference]: Finished difference Result 11680 states and 17508 transitions. [2024-11-07 02:05:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:05:21,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 1589 [2024-11-07 02:05:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:05:21,023 INFO L225 Difference]: With dead ends: 11680 [2024-11-07 02:05:21,023 INFO L226 Difference]: Without dead ends: 6531 [2024-11-07 02:05:21,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:05:21,030 INFO L432 NwaCegarLoop]: 8955 mSDtfsCounter, 8864 mSDsluCounter, 8957 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8864 SdHoareTripleChecker+Valid, 17912 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 02:05:21,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8864 Valid, 17912 Invalid, 1683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 02:05:21,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6531 states. [2024-11-07 02:05:21,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6531 to 6531. [2024-11-07 02:05:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 6513 states have (on average 1.4980807615538154) internal successors, (9757), 6513 states have internal predecessors, (9757), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 02:05:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9789 transitions. [2024-11-07 02:05:21,131 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9789 transitions. Word has length 1589 [2024-11-07 02:05:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:05:21,133 INFO L471 AbstractCegarLoop]: Abstraction has 6531 states and 9789 transitions. [2024-11-07 02:05:21,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 02:05:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9789 transitions. [2024-11-07 02:05:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1591 [2024-11-07 02:05:21,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:05:21,150 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:21,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 02:05:21,150 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:05:21,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:05:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1948297587, now seen corresponding path program 1 times [2024-11-07 02:05:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:05:21,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943837811] [2024-11-07 02:05:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:05:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:05:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 02:05:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-07 02:05:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-11-07 02:05:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-11-07 02:05:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2024-11-07 02:05:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-11-07 02:05:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-11-07 02:05:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2024-11-07 02:05:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2024-11-07 02:05:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2024-11-07 02:05:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2024-11-07 02:05:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-11-07 02:05:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2024-11-07 02:05:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-07 02:05:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-07 02:05:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-07 02:05:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 02:05:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:05:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943837811] [2024-11-07 02:05:24,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943837811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:05:24,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:05:24,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:05:24,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413894773] [2024-11-07 02:05:24,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:05:24,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:05:24,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:05:24,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:05:24,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:05:24,206 INFO L87 Difference]: Start difference. First operand 6531 states and 9789 transitions. Second operand has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 02:05:25,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:05:25,416 INFO L93 Difference]: Finished difference Result 11680 states and 17506 transitions. [2024-11-07 02:05:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:05:25,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 1590 [2024-11-07 02:05:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:05:25,437 INFO L225 Difference]: With dead ends: 11680 [2024-11-07 02:05:25,438 INFO L226 Difference]: Without dead ends: 6531 [2024-11-07 02:05:25,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:05:25,445 INFO L432 NwaCegarLoop]: 8955 mSDtfsCounter, 9751 mSDsluCounter, 8977 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9767 SdHoareTripleChecker+Valid, 17932 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 02:05:25,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9767 Valid, 17932 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 02:05:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6531 states. [2024-11-07 02:05:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6531 to 6531. [2024-11-07 02:05:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 6513 states have (on average 1.4979272224781206) internal successors, (9756), 6513 states have internal predecessors, (9756), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 02:05:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9788 transitions. [2024-11-07 02:05:25,551 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9788 transitions. Word has length 1590 [2024-11-07 02:05:25,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:05:25,553 INFO L471 AbstractCegarLoop]: Abstraction has 6531 states and 9788 transitions. [2024-11-07 02:05:25,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 02:05:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9788 transitions. [2024-11-07 02:05:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1592 [2024-11-07 02:05:25,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:05:25,569 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:25,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 02:05:25,570 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:05:25,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:05:25,570 INFO L85 PathProgramCache]: Analyzing trace with hash 592987869, now seen corresponding path program 1 times [2024-11-07 02:05:25,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:05:25,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047695746] [2024-11-07 02:05:25,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:05:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:05:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 02:05:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-07 02:05:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-11-07 02:05:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-11-07 02:05:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2024-11-07 02:05:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-11-07 02:05:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-11-07 02:05:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2024-11-07 02:05:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2024-11-07 02:05:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2024-11-07 02:05:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2024-11-07 02:05:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-11-07 02:05:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2024-11-07 02:05:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-07 02:05:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-07 02:05:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-07 02:05:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 02:05:28,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:05:28,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047695746] [2024-11-07 02:05:28,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047695746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:05:28,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:05:28,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:05:28,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282023818] [2024-11-07 02:05:28,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:05:28,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:05:28,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:05:28,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:05:28,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:05:28,463 INFO L87 Difference]: Start difference. First operand 6531 states and 9788 transitions. Second operand has 5 states, 5 states have (on average 302.8) internal successors, (1514), 5 states have internal predecessors, (1514), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 02:05:29,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 02:05:29,620 INFO L93 Difference]: Finished difference Result 11680 states and 17504 transitions. [2024-11-07 02:05:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 02:05:29,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 302.8) internal successors, (1514), 5 states have internal predecessors, (1514), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 1591 [2024-11-07 02:05:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 02:05:29,645 INFO L225 Difference]: With dead ends: 11680 [2024-11-07 02:05:29,646 INFO L226 Difference]: Without dead ends: 6531 [2024-11-07 02:05:29,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 02:05:29,656 INFO L432 NwaCegarLoop]: 8955 mSDtfsCounter, 18601 mSDsluCounter, 8957 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18617 SdHoareTripleChecker+Valid, 17912 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 02:05:29,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18617 Valid, 17912 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 02:05:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6531 states. [2024-11-07 02:05:29,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6531 to 6531. [2024-11-07 02:05:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 6513 states have (on average 1.497773683402426) internal successors, (9755), 6513 states have internal predecessors, (9755), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 02:05:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9787 transitions. [2024-11-07 02:05:29,849 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9787 transitions. Word has length 1591 [2024-11-07 02:05:29,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 02:05:29,850 INFO L471 AbstractCegarLoop]: Abstraction has 6531 states and 9787 transitions. [2024-11-07 02:05:29,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 302.8) internal successors, (1514), 5 states have internal predecessors, (1514), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 02:05:29,851 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9787 transitions. [2024-11-07 02:05:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1593 [2024-11-07 02:05:29,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 02:05:29,885 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:29,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 02:05:29,886 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 02:05:29,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 02:05:29,887 INFO L85 PathProgramCache]: Analyzing trace with hash -298571092, now seen corresponding path program 1 times [2024-11-07 02:05:29,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 02:05:29,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864887019] [2024-11-07 02:05:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 02:05:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 02:05:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-07 02:05:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-07 02:05:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-11-07 02:05:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-11-07 02:05:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2024-11-07 02:05:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-11-07 02:05:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-11-07 02:05:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2024-11-07 02:05:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2024-11-07 02:05:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2024-11-07 02:05:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2024-11-07 02:05:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-11-07 02:05:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2024-11-07 02:05:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-07 02:05:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-07 02:05:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-07 02:05:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 02:05:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 02:05:32,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 02:05:32,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864887019] [2024-11-07 02:05:32,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864887019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 02:05:32,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 02:05:32,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 02:05:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831119319] [2024-11-07 02:05:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 02:05:32,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 02:05:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 02:05:32,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 02:05:32,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 02:05:32,865 INFO L87 Difference]: Start difference. First operand 6531 states and 9787 transitions. Second operand has 5 states, 5 states have (on average 303.0) internal successors, (1515), 5 states have internal predecessors, (1515), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)