./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8'] 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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:13:03,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:13:03,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:13:03,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:13:03,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:13:03,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:13:03,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:13:03,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:13:03,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:13:03,714 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:13:03,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:13:03,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:13:03,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:13:03,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:13:03,715 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:13:03,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:13:03,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:13:03,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:13:03,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:13:03,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:13:03,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:13:03,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:13:03,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:13:03,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:13:03,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:13:03,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:13:03,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:13:03,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:13:03,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:13:03,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:13:03,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:13:03,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:13:03,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:13:03,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:13:03,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:13:03,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:13:03,719 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 [2024-11-07 08:13:04,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:13:04,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:13:04,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:13:04,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:13:04,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:13:04,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-07 08:13:05,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:13:05,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:13:05,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-07 08:13:05,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9ddefee7/82b18ddb03d34f1ab6a3dd00a1e5bc86/FLAGc3a6ccc1f [2024-11-07 08:13:05,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9ddefee7/82b18ddb03d34f1ab6a3dd00a1e5bc86 [2024-11-07 08:13:05,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:13:05,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:13:05,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:13:05,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:13:05,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:13:05,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:05,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612db83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05, skipping insertion in model container [2024-11-07 08:13:05,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:05,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:13:05,797 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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i[916,929] [2024-11-07 08:13:05,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:13:05,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:13:05,903 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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i[916,929] [2024-11-07 08:13:05,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:13:05,958 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:13:05,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05 WrapperNode [2024-11-07 08:13:05,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:13:05,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:13:05,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:13:05,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:13:05,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:05,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,041 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2024-11-07 08:13:06,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:13:06,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:13:06,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:13:06,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:13:06,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,084 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 08:13:06,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:13:06,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:13:06,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:13:06,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:13:06,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (1/1) ... [2024-11-07 08:13:06,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:13:06,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:06,174 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 08:13:06,179 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 08:13:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:13:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:13:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:13:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:13:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:13:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:13:06,310 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:13:06,312 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:13:07,142 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-07 08:13:07,143 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:13:07,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:13:07,162 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:13:07,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:13:07 BoogieIcfgContainer [2024-11-07 08:13:07,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:13:07,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:13:07,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:13:07,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:13:07,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:13:05" (1/3) ... [2024-11-07 08:13:07,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ac67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:13:07, skipping insertion in model container [2024-11-07 08:13:07,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:13:05" (2/3) ... [2024-11-07 08:13:07,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ac67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:13:07, skipping insertion in model container [2024-11-07 08:13:07,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:13:07" (3/3) ... [2024-11-07 08:13:07,173 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-07 08:13:07,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:13:07,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:13:07,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:13:07,309 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;@4c96ffc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:13:07,310 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:13:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 121 states have internal predecessors, (175), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 08:13:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-07 08:13:07,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:07,336 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:07,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:07,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:07,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1492570003, now seen corresponding path program 1 times [2024-11-07 08:13:07,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:07,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547919225] [2024-11-07 08:13:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:08,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:08,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547919225] [2024-11-07 08:13:08,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547919225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:08,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:08,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:13:08,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203089861] [2024-11-07 08:13:08,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:08,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:13:08,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:08,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:13:08,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:13:08,034 INFO L87 Difference]: Start difference. First operand has 163 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 121 states have internal predecessors, (175), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 08:13:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:08,073 INFO L93 Difference]: Finished difference Result 319 states and 544 transitions. [2024-11-07 08:13:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:13:08,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-11-07 08:13:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:08,082 INFO L225 Difference]: With dead ends: 319 [2024-11-07 08:13:08,082 INFO L226 Difference]: Without dead ends: 159 [2024-11-07 08:13:08,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 08:13:08,089 INFO L432 NwaCegarLoop]: 248 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, 248 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 08:13:08,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:13:08,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-07 08:13:08,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-07 08:13:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 117 states have (on average 1.435897435897436) internal successors, (168), 117 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 08:13:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 248 transitions. [2024-11-07 08:13:08,158 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 248 transitions. Word has length 269 [2024-11-07 08:13:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:08,158 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 248 transitions. [2024-11-07 08:13:08,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 08:13:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2024-11-07 08:13:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-07 08:13:08,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:08,166 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:08,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:13:08,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:08,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:08,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1558472791, now seen corresponding path program 1 times [2024-11-07 08:13:08,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:08,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514404948] [2024-11-07 08:13:08,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:08,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:08,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:08,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514404948] [2024-11-07 08:13:08,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514404948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:08,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:08,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:13:08,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508019403] [2024-11-07 08:13:08,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:08,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:13:08,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:13:08,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:13:08,834 INFO L87 Difference]: Start difference. First operand 159 states and 248 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:08,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:08,888 INFO L93 Difference]: Finished difference Result 315 states and 493 transitions. [2024-11-07 08:13:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:13:08,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-11-07 08:13:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:08,893 INFO L225 Difference]: With dead ends: 315 [2024-11-07 08:13:08,894 INFO L226 Difference]: Without dead ends: 159 [2024-11-07 08:13:08,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:13:08,896 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:08,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 489 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:13:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-07 08:13:08,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-07 08:13:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 117 states have internal predecessors, (167), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 08:13:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 247 transitions. [2024-11-07 08:13:08,911 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 247 transitions. Word has length 269 [2024-11-07 08:13:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:08,914 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 247 transitions. [2024-11-07 08:13:08,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:08,914 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 247 transitions. [2024-11-07 08:13:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-07 08:13:08,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:08,922 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:08,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:13:08,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:08,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:08,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1952839577, now seen corresponding path program 1 times [2024-11-07 08:13:08,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:08,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577252043] [2024-11-07 08:13:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:08,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:11,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577252043] [2024-11-07 08:13:11,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577252043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:11,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:11,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 08:13:11,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520705484] [2024-11-07 08:13:11,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:11,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 08:13:11,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:11,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 08:13:11,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:13:11,304 INFO L87 Difference]: Start difference. First operand 159 states and 247 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 08:13:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:12,438 INFO L93 Difference]: Finished difference Result 477 states and 733 transitions. [2024-11-07 08:13:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:13:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-11-07 08:13:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:12,443 INFO L225 Difference]: With dead ends: 477 [2024-11-07 08:13:12,443 INFO L226 Difference]: Without dead ends: 321 [2024-11-07 08:13:12,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:13:12,445 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 780 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:12,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 589 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 08:13:12,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-07 08:13:12,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 296. [2024-11-07 08:13:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 250 states have (on average 1.476) internal successors, (369), 251 states have internal predecessors, (369), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 455 transitions. [2024-11-07 08:13:12,483 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 455 transitions. Word has length 269 [2024-11-07 08:13:12,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:12,484 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 455 transitions. [2024-11-07 08:13:12,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 08:13:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 455 transitions. [2024-11-07 08:13:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-07 08:13:12,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:12,489 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:12,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 08:13:12,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:12,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:12,490 INFO L85 PathProgramCache]: Analyzing trace with hash 753779817, now seen corresponding path program 1 times [2024-11-07 08:13:12,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:12,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323363732] [2024-11-07 08:13:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:12,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:13,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323363732] [2024-11-07 08:13:13,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323363732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85269685] [2024-11-07 08:13:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:13,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:13,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:13,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:13,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 08:13:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:13,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 08:13:13,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-07 08:13:14,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-07 08:13:14,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85269685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:14,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:14,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-07 08:13:14,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787558914] [2024-11-07 08:13:14,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:14,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 08:13:14,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:14,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 08:13:14,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-07 08:13:14,977 INFO L87 Difference]: Start difference. First operand 296 states and 455 transitions. Second operand has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-07 08:13:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:15,742 INFO L93 Difference]: Finished difference Result 553 states and 843 transitions. [2024-11-07 08:13:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 08:13:15,743 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 269 [2024-11-07 08:13:15,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:15,748 INFO L225 Difference]: With dead ends: 553 [2024-11-07 08:13:15,748 INFO L226 Difference]: Without dead ends: 260 [2024-11-07 08:13:15,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-11-07 08:13:15,753 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 265 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:15,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 594 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 08:13:15,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-07 08:13:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2024-11-07 08:13:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 210 states have internal predecessors, (284), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 370 transitions. [2024-11-07 08:13:15,785 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 370 transitions. Word has length 269 [2024-11-07 08:13:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:15,786 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 370 transitions. [2024-11-07 08:13:15,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-07 08:13:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 370 transitions. [2024-11-07 08:13:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 08:13:15,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:15,790 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:15,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 08:13:15,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:15,995 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:15,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:15,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1064010365, now seen corresponding path program 1 times [2024-11-07 08:13:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:15,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823612387] [2024-11-07 08:13:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:18,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:18,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823612387] [2024-11-07 08:13:18,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823612387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:18,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:18,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:13:18,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853428984] [2024-11-07 08:13:18,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:18,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:13:18,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:18,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:13:18,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:13:18,261 INFO L87 Difference]: Start difference. First operand 258 states and 370 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:19,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:19,794 INFO L93 Difference]: Finished difference Result 773 states and 1085 transitions. [2024-11-07 08:13:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:13:19,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-07 08:13:19,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:19,799 INFO L225 Difference]: With dead ends: 773 [2024-11-07 08:13:19,800 INFO L226 Difference]: Without dead ends: 518 [2024-11-07 08:13:19,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:13:19,801 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 719 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:19,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1159 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 08:13:19,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-07 08:13:19,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 295. [2024-11-07 08:13:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 246 states have (on average 1.3780487804878048) internal successors, (339), 247 states have internal predecessors, (339), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 425 transitions. [2024-11-07 08:13:19,831 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 425 transitions. Word has length 271 [2024-11-07 08:13:19,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:19,833 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 425 transitions. [2024-11-07 08:13:19,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 425 transitions. [2024-11-07 08:13:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 08:13:19,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:19,838 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:19,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 08:13:19,838 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:19,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:19,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1951093253, now seen corresponding path program 1 times [2024-11-07 08:13:19,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:19,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305761623] [2024-11-07 08:13:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:19,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:21,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:21,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305761623] [2024-11-07 08:13:21,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305761623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:21,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:21,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 08:13:21,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635133464] [2024-11-07 08:13:21,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:21,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 08:13:21,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:21,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 08:13:21,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:13:21,124 INFO L87 Difference]: Start difference. First operand 295 states and 425 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:22,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:22,135 INFO L93 Difference]: Finished difference Result 910 states and 1279 transitions. [2024-11-07 08:13:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:13:22,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-07 08:13:22,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:22,143 INFO L225 Difference]: With dead ends: 910 [2024-11-07 08:13:22,143 INFO L226 Difference]: Without dead ends: 616 [2024-11-07 08:13:22,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:13:22,145 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 517 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:22,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 909 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 08:13:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-07 08:13:22,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 307. [2024-11-07 08:13:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 258 states have (on average 1.372093023255814) internal successors, (354), 259 states have internal predecessors, (354), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 440 transitions. [2024-11-07 08:13:22,175 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 440 transitions. Word has length 271 [2024-11-07 08:13:22,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:22,175 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 440 transitions. [2024-11-07 08:13:22,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:22,176 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 440 transitions. [2024-11-07 08:13:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 08:13:22,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:22,179 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:22,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 08:13:22,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:22,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash 362745351, now seen corresponding path program 1 times [2024-11-07 08:13:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:22,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928350210] [2024-11-07 08:13:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:22,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:22,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928350210] [2024-11-07 08:13:22,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928350210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096730681] [2024-11-07 08:13:22,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:22,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:22,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:22,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:22,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 08:13:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:22,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 08:13:22,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-11-07 08:13:23,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:23,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096730681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:23,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:23,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 16 [2024-11-07 08:13:23,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771925476] [2024-11-07 08:13:23,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:23,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 08:13:23,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:23,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 08:13:23,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-07 08:13:23,634 INFO L87 Difference]: Start difference. First operand 307 states and 440 transitions. Second operand has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2024-11-07 08:13:26,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:26,033 INFO L93 Difference]: Finished difference Result 1285 states and 1814 transitions. [2024-11-07 08:13:26,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-07 08:13:26,035 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 271 [2024-11-07 08:13:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:26,045 INFO L225 Difference]: With dead ends: 1285 [2024-11-07 08:13:26,046 INFO L226 Difference]: Without dead ends: 981 [2024-11-07 08:13:26,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 620 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1675 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1017, Invalid=3675, Unknown=0, NotChecked=0, Total=4692 [2024-11-07 08:13:26,053 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 1440 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:26,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 1140 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 08:13:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-07 08:13:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 337. [2024-11-07 08:13:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 284 states have (on average 1.3556338028169015) internal successors, (385), 285 states have internal predecessors, (385), 43 states have call successors, (43), 9 states have call predecessors, (43), 9 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 471 transitions. [2024-11-07 08:13:26,110 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 471 transitions. Word has length 271 [2024-11-07 08:13:26,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:26,111 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 471 transitions. [2024-11-07 08:13:26,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2024-11-07 08:13:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 471 transitions. [2024-11-07 08:13:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:26,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:26,116 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:26,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 08:13:26,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:26,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:26,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:26,318 INFO L85 PathProgramCache]: Analyzing trace with hash -578461059, now seen corresponding path program 1 times [2024-11-07 08:13:26,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:26,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494724393] [2024-11-07 08:13:26,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:26,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:26,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494724393] [2024-11-07 08:13:26,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494724393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:26,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857323740] [2024-11-07 08:13:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:26,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:26,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:26,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:26,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 08:13:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:27,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 08:13:27,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1417 proven. 78 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2024-11-07 08:13:27,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:28,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857323740] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:28,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:28,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-11-07 08:13:28,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901212850] [2024-11-07 08:13:28,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:28,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 08:13:28,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:28,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 08:13:28,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:13:28,107 INFO L87 Difference]: Start difference. First operand 337 states and 471 transitions. Second operand has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-07 08:13:28,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:28,496 INFO L93 Difference]: Finished difference Result 675 states and 943 transitions. [2024-11-07 08:13:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 08:13:28,498 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 273 [2024-11-07 08:13:28,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:28,503 INFO L225 Difference]: With dead ends: 675 [2024-11-07 08:13:28,503 INFO L226 Difference]: Without dead ends: 341 [2024-11-07 08:13:28,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-07 08:13:28,506 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 266 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:28,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 692 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:13:28,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-07 08:13:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2024-11-07 08:13:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 284 states have (on average 1.3485915492957747) internal successors, (383), 285 states have internal predecessors, (383), 43 states have call successors, (43), 9 states have call predecessors, (43), 9 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 469 transitions. [2024-11-07 08:13:28,559 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 469 transitions. Word has length 273 [2024-11-07 08:13:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:28,560 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 469 transitions. [2024-11-07 08:13:28,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-07 08:13:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 469 transitions. [2024-11-07 08:13:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:28,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:28,567 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:28,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 08:13:28,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:28,772 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:28,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1422466561, now seen corresponding path program 1 times [2024-11-07 08:13:28,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:28,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452975832] [2024-11-07 08:13:28,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:28,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:29,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:29,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452975832] [2024-11-07 08:13:29,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452975832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:29,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152338935] [2024-11-07 08:13:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:29,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:29,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:29,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 08:13:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:29,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 08:13:29,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2021 proven. 126 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2024-11-07 08:13:30,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-07 08:13:30,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152338935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:30,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:30,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 27 [2024-11-07 08:13:30,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952395099] [2024-11-07 08:13:30,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:30,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-07 08:13:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-07 08:13:30,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-11-07 08:13:30,823 INFO L87 Difference]: Start difference. First operand 337 states and 469 transitions. Second operand has 27 states, 26 states have (on average 6.576923076923077) internal successors, (171), 25 states have internal predecessors, (171), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) [2024-11-07 08:13:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:32,527 INFO L93 Difference]: Finished difference Result 1177 states and 1638 transitions. [2024-11-07 08:13:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 08:13:32,528 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.576923076923077) internal successors, (171), 25 states have internal predecessors, (171), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) Word has length 273 [2024-11-07 08:13:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:32,532 INFO L225 Difference]: With dead ends: 1177 [2024-11-07 08:13:32,532 INFO L226 Difference]: Without dead ends: 843 [2024-11-07 08:13:32,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=979, Invalid=2327, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 08:13:32,535 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 1864 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1864 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:32,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1864 Valid, 902 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 08:13:32,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-07 08:13:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 508. [2024-11-07 08:13:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 452 states have (on average 1.3716814159292035) internal successors, (620), 453 states have internal predecessors, (620), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 706 transitions. [2024-11-07 08:13:32,583 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 706 transitions. Word has length 273 [2024-11-07 08:13:32,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:32,584 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 706 transitions. [2024-11-07 08:13:32,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.576923076923077) internal successors, (171), 25 states have internal predecessors, (171), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) [2024-11-07 08:13:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 706 transitions. [2024-11-07 08:13:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:32,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:32,587 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:32,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 08:13:32,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-07 08:13:32,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:32,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:32,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1028954878, now seen corresponding path program 1 times [2024-11-07 08:13:32,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:32,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438212564] [2024-11-07 08:13:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:32,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:35,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:35,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438212564] [2024-11-07 08:13:35,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438212564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:35,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:35,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:13:35,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186389601] [2024-11-07 08:13:35,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:35,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:13:35,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:35,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:13:35,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:13:35,273 INFO L87 Difference]: Start difference. First operand 508 states and 706 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:37,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:37,580 INFO L93 Difference]: Finished difference Result 1407 states and 1962 transitions. [2024-11-07 08:13:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 08:13:37,581 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 273 [2024-11-07 08:13:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:37,588 INFO L225 Difference]: With dead ends: 1407 [2024-11-07 08:13:37,588 INFO L226 Difference]: Without dead ends: 902 [2024-11-07 08:13:37,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2024-11-07 08:13:37,591 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 841 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:37,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 845 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 08:13:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-07 08:13:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 528. [2024-11-07 08:13:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 472 states have (on average 1.38135593220339) internal successors, (652), 473 states have internal predecessors, (652), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 738 transitions. [2024-11-07 08:13:37,637 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 738 transitions. Word has length 273 [2024-11-07 08:13:37,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:37,638 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 738 transitions. [2024-11-07 08:13:37,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 738 transitions. [2024-11-07 08:13:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:37,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:37,640 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:37,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 08:13:37,641 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:37,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:37,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1677664516, now seen corresponding path program 1 times [2024-11-07 08:13:37,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:37,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239514660] [2024-11-07 08:13:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:37,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:39,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:39,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239514660] [2024-11-07 08:13:39,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239514660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:39,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:39,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 08:13:39,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702868022] [2024-11-07 08:13:39,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:39,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 08:13:39,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 08:13:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:13:39,610 INFO L87 Difference]: Start difference. First operand 528 states and 738 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 08:13:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:41,933 INFO L93 Difference]: Finished difference Result 1748 states and 2404 transitions. [2024-11-07 08:13:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 08:13:41,935 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 273 [2024-11-07 08:13:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:41,942 INFO L225 Difference]: With dead ends: 1748 [2024-11-07 08:13:41,942 INFO L226 Difference]: Without dead ends: 1223 [2024-11-07 08:13:41,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2024-11-07 08:13:41,945 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1624 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:41,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 1124 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 08:13:41,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-07 08:13:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 613. [2024-11-07 08:13:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 557 states have (on average 1.3967684021543985) internal successors, (778), 558 states have internal predecessors, (778), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 08:13:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 864 transitions. [2024-11-07 08:13:42,003 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 864 transitions. Word has length 273 [2024-11-07 08:13:42,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:42,003 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 864 transitions. [2024-11-07 08:13:42,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 08:13:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 864 transitions. [2024-11-07 08:13:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:42,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:42,007 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:42,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 08:13:42,008 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:42,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash 397800838, now seen corresponding path program 1 times [2024-11-07 08:13:42,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:42,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96195913] [2024-11-07 08:13:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:42,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 138 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-07 08:13:43,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:43,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96195913] [2024-11-07 08:13:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96195913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:43,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997180604] [2024-11-07 08:13:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:43,601 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:43,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 08:13:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:43,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 08:13:43,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-11-07 08:13:44,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:44,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997180604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:44,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:44,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 19 [2024-11-07 08:13:44,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749296886] [2024-11-07 08:13:44,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:44,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 08:13:44,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:44,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 08:13:44,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-07 08:13:44,468 INFO L87 Difference]: Start difference. First operand 613 states and 864 transitions. Second operand has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 6 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 6 states have call predecessors, (117), 6 states have call successors, (117) [2024-11-07 08:13:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:45,686 INFO L93 Difference]: Finished difference Result 1253 states and 1760 transitions. [2024-11-07 08:13:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 08:13:45,687 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 6 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 6 states have call predecessors, (117), 6 states have call successors, (117) Word has length 273 [2024-11-07 08:13:45,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:45,691 INFO L225 Difference]: With dead ends: 1253 [2024-11-07 08:13:45,691 INFO L226 Difference]: Without dead ends: 643 [2024-11-07 08:13:45,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 08:13:45,694 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 1217 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:45,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1116 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 08:13:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-07 08:13:45,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 414. [2024-11-07 08:13:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 361 states have (on average 1.3545706371191135) internal successors, (489), 361 states have internal predecessors, (489), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 08:13:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 569 transitions. [2024-11-07 08:13:45,738 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 569 transitions. Word has length 273 [2024-11-07 08:13:45,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:45,738 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 569 transitions. [2024-11-07 08:13:45,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 6 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 6 states have call predecessors, (117), 6 states have call successors, (117) [2024-11-07 08:13:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 569 transitions. [2024-11-07 08:13:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:45,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:45,742 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:45,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 08:13:45,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 08:13:45,943 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:45,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:45,943 INFO L85 PathProgramCache]: Analyzing trace with hash -119627544, now seen corresponding path program 1 times [2024-11-07 08:13:45,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:45,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228874411] [2024-11-07 08:13:45,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:45,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:46,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:46,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228874411] [2024-11-07 08:13:46,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228874411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:46,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55490976] [2024-11-07 08:13:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:46,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:46,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:46,357 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:46,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 08:13:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:46,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 08:13:46,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-11-07 08:13:46,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-07 08:13:47,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55490976] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:47,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:47,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-07 08:13:47,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022864052] [2024-11-07 08:13:47,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:47,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 08:13:47,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:47,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 08:13:47,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 08:13:47,078 INFO L87 Difference]: Start difference. First operand 414 states and 569 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-07 08:13:47,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:47,523 INFO L93 Difference]: Finished difference Result 1256 states and 1719 transitions. [2024-11-07 08:13:47,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 08:13:47,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 273 [2024-11-07 08:13:47,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:47,528 INFO L225 Difference]: With dead ends: 1256 [2024-11-07 08:13:47,528 INFO L226 Difference]: Without dead ends: 845 [2024-11-07 08:13:47,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 622 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-07 08:13:47,530 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 386 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:47,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 676 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:13:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-11-07 08:13:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 831. [2024-11-07 08:13:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 724 states have (on average 1.3453038674033149) internal successors, (974), 724 states have internal predecessors, (974), 80 states have call successors, (80), 26 states have call predecessors, (80), 26 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 08:13:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1134 transitions. [2024-11-07 08:13:47,614 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1134 transitions. Word has length 273 [2024-11-07 08:13:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:47,615 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1134 transitions. [2024-11-07 08:13:47,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-07 08:13:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1134 transitions. [2024-11-07 08:13:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-07 08:13:47,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:47,618 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:47,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 08:13:47,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 08:13:47,819 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:47,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1707975446, now seen corresponding path program 1 times [2024-11-07 08:13:47,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:47,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012785819] [2024-11-07 08:13:47,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:47,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 147 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-07 08:13:48,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:48,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012785819] [2024-11-07 08:13:48,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012785819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:13:48,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153009076] [2024-11-07 08:13:48,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:48,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:48,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:48,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:48,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 08:13:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:48,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 08:13:48,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-11-07 08:13:49,118 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:13:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-07 08:13:49,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153009076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:13:49,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:13:49,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 28 [2024-11-07 08:13:49,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805241529] [2024-11-07 08:13:49,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:13:49,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 08:13:49,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:49,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 08:13:49,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-11-07 08:13:49,748 INFO L87 Difference]: Start difference. First operand 831 states and 1134 transitions. Second operand has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 26 states have internal predecessors, (170), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-07 08:13:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:53,242 INFO L93 Difference]: Finished difference Result 3423 states and 4598 transitions. [2024-11-07 08:13:53,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-07 08:13:53,243 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 26 states have internal predecessors, (170), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) Word has length 273 [2024-11-07 08:13:53,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:53,265 INFO L225 Difference]: With dead ends: 3423 [2024-11-07 08:13:53,266 INFO L226 Difference]: Without dead ends: 2595 [2024-11-07 08:13:53,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3495 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2551, Invalid=8579, Unknown=0, NotChecked=0, Total=11130 [2024-11-07 08:13:53,271 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 4062 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 623 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:53,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4062 Valid, 907 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [623 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 08:13:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2024-11-07 08:13:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 1259. [2024-11-07 08:13:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1096 states have (on average 1.3175182481751824) internal successors, (1444), 1098 states have internal predecessors, (1444), 110 states have call successors, (110), 52 states have call predecessors, (110), 52 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-07 08:13:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1664 transitions. [2024-11-07 08:13:53,472 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1664 transitions. Word has length 273 [2024-11-07 08:13:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:53,472 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1664 transitions. [2024-11-07 08:13:53,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 26 states have internal predecessors, (170), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-07 08:13:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1664 transitions. [2024-11-07 08:13:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-07 08:13:53,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:53,476 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:53,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 08:13:53,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:53,677 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:53,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:53,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1460239965, now seen corresponding path program 1 times [2024-11-07 08:13:53,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:53,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568346186] [2024-11-07 08:13:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:54,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:54,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568346186] [2024-11-07 08:13:54,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568346186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:54,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:54,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:13:54,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442191787] [2024-11-07 08:13:54,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:54,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:13:54,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:54,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:13:54,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:13:54,340 INFO L87 Difference]: Start difference. First operand 1259 states and 1664 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:54,694 INFO L93 Difference]: Finished difference Result 2777 states and 3658 transitions. [2024-11-07 08:13:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:13:54,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 276 [2024-11-07 08:13:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:54,702 INFO L225 Difference]: With dead ends: 2777 [2024-11-07 08:13:54,702 INFO L226 Difference]: Without dead ends: 1521 [2024-11-07 08:13:54,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:13:54,705 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 178 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:54,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 709 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:13:54,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-07 08:13:54,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 949. [2024-11-07 08:13:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 786 states have (on average 1.262086513994911) internal successors, (992), 788 states have internal predecessors, (992), 110 states have call successors, (110), 52 states have call predecessors, (110), 52 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-07 08:13:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1212 transitions. [2024-11-07 08:13:54,891 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1212 transitions. Word has length 276 [2024-11-07 08:13:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:54,892 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1212 transitions. [2024-11-07 08:13:54,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1212 transitions. [2024-11-07 08:13:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-07 08:13:54,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:54,895 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:54,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 08:13:54,895 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:54,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1803178920, now seen corresponding path program 1 times [2024-11-07 08:13:54,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:54,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742721162] [2024-11-07 08:13:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 08:13:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 08:13:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 08:13:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 08:13:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 08:13:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 08:13:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 08:13:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:13:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 08:13:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:13:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 08:13:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:13:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 08:13:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:13:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 08:13:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:13:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:13:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 08:13:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 08:13:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 08:13:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 08:13:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 08:13:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 08:13:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 08:13:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 08:13:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 08:13:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 08:13:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 08:13:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 08:13:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 08:13:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 08:13:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 08:13:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 08:13:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 08:13:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 08:13:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 08:13:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 08:13:55,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:55,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742721162] [2024-11-07 08:13:55,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742721162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:55,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:55,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:13:55,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118536895] [2024-11-07 08:13:55,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:55,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:13:55,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:55,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:13:55,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:13:55,173 INFO L87 Difference]: Start difference. First operand 949 states and 1212 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:55,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:55,538 INFO L93 Difference]: Finished difference Result 2049 states and 2637 transitions. [2024-11-07 08:13:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:13:55,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-07 08:13:55,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:55,545 INFO L225 Difference]: With dead ends: 2049 [2024-11-07 08:13:55,546 INFO L226 Difference]: Without dead ends: 1103 [2024-11-07 08:13:55,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 08:13:55,549 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 225 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:55,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 568 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:13:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-07 08:13:55,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 965. [2024-11-07 08:13:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 802 states have (on average 1.256857855361596) internal successors, (1008), 804 states have internal predecessors, (1008), 110 states have call successors, (110), 52 states have call predecessors, (110), 52 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-07 08:13:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1228 transitions. [2024-11-07 08:13:55,799 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1228 transitions. Word has length 278 [2024-11-07 08:13:55,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:55,800 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1228 transitions. [2024-11-07 08:13:55,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 08:13:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1228 transitions. [2024-11-07 08:13:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-07 08:13:55,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:55,802 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:55,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 08:13:55,803 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:55,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:55,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1662630310, now seen corresponding path program 1 times [2024-11-07 08:13:55,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:55,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075827590] [2024-11-07 08:13:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 08:13:56,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504151619] [2024-11-07 08:13:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:13:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:13:56,023 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:13:56,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 08:13:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:56,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 08:13:56,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:13:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2173 proven. 126 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2024-11-07 08:13:57,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:14:02,316 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (mod c_~var_1_19~0 65536))) (let ((.cse1 (+ 2 .cse3)) (.cse2 (mod c_~var_1_29~0 256))) (and (forall ((v_z_30 Int)) (let ((.cse0 (+ .cse2 (* (- 1) v_z_30)))) (or (< v_z_30 0) (< 126 v_z_30) (< (div c_~last_1_var_1_40~0 .cse0) .cse1) (not (= (mod c_~last_1_var_1_40~0 .cse0) 0))))) (forall ((v_z_30 Int)) (or (< v_z_30 0) (< 126 v_z_30) (< .cse2 v_z_30) (< (div c_~last_1_var_1_40~0 (+ .cse2 (* (- 1) v_z_30))) .cse1))) (forall ((v_z_30 Int)) (or (< v_z_30 0) (< (div c_~last_1_var_1_40~0 (+ .cse2 (* (- 1) v_z_30))) (+ 3 .cse3)) (< 126 v_z_30))) (or (forall ((v_z_30 Int)) (let ((.cse4 (+ .cse2 (* (- 1) v_z_30)))) (or (< (div c_~last_1_var_1_40~0 .cse4) (+ .cse3 1)) (= (mod c_~last_1_var_1_40~0 .cse4) 0) (< 126 v_z_30) (< .cse2 v_z_30)))) (< 0 (+ c_~last_1_var_1_40~0 1)))))) is different from false [2024-11-07 08:14:02,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:14:02,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075827590] [2024-11-07 08:14:02,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 08:14:02,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504151619] [2024-11-07 08:14:02,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504151619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:14:02,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 08:14:02,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-07 08:14:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113416035] [2024-11-07 08:14:02,333 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 08:14:02,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 08:14:02,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:14:02,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 08:14:02,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=184, Unknown=1, NotChecked=28, Total=272 [2024-11-07 08:14:02,335 INFO L87 Difference]: Start difference. First operand 965 states and 1228 transitions. Second operand has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-07 08:14:03,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:14:03,810 INFO L93 Difference]: Finished difference Result 2506 states and 3198 transitions. [2024-11-07 08:14:03,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 08:14:03,810 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 278 [2024-11-07 08:14:03,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:14:03,818 INFO L225 Difference]: With dead ends: 2506 [2024-11-07 08:14:03,818 INFO L226 Difference]: Without dead ends: 1544 [2024-11-07 08:14:03,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=263, Invalid=732, Unknown=1, NotChecked=60, Total=1056 [2024-11-07 08:14:03,822 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 212 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 08:14:03,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1379 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 08:14:03,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-07 08:14:04,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1113. [2024-11-07 08:14:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 892 states have (on average 1.2354260089686098) internal successors, (1102), 894 states have internal predecessors, (1102), 150 states have call successors, (150), 70 states have call predecessors, (150), 70 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-07 08:14:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1402 transitions. [2024-11-07 08:14:04,043 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1402 transitions. Word has length 278 [2024-11-07 08:14:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:14:04,043 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1402 transitions. [2024-11-07 08:14:04,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-07 08:14:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1402 transitions. [2024-11-07 08:14:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-07 08:14:04,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:14:04,046 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:14:04,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 08:14:04,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 08:14:04,247 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:14:04,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:14:04,248 INFO L85 PathProgramCache]: Analyzing trace with hash 265642392, now seen corresponding path program 1 times [2024-11-07 08:14:04,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:14:04,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182690597] [2024-11-07 08:14:04,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:14:04,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:14:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 08:14:04,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628172410] [2024-11-07 08:14:04,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:14:04,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:14:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:14:04,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:14:04,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 08:14:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:14:04,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-07 08:14:04,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:14:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2132 proven. 390 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-11-07 08:14:13,154 INFO L311 TraceCheckSpWp]: Computing backward predicates...