./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-44.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_operatoramount_amount500_file-44.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', '220ce7b7c26744c9904e5fd461259f8f4f4bb30e1410a3523238b4cddd16ae20'] 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_operatoramount_amount500_file-44.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 220ce7b7c26744c9904e5fd461259f8f4f4bb30e1410a3523238b4cddd16ae20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:41:10,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:41:10,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:41:10,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:41:10,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:41:10,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:41:10,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:41:10,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:41:10,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:41:10,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:41:10,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:41:10,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:41:10,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:41:10,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:41:10,691 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:41:10,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:41:10,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:41:10,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:41:10,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:41:10,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:41:10,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:41:10,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:41:10,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:41:10,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:41:10,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:41:10,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:41:10,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:41:10,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:41:10,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:41:10,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:41:10,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:41:10,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:41:10,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:41:10,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:41:10,695 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 -> 220ce7b7c26744c9904e5fd461259f8f4f4bb30e1410a3523238b4cddd16ae20 [2024-11-07 09:41:10,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:41:10,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:41:10,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:41:10,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:41:10,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:41:10,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-44.i [2024-11-07 09:41:12,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:41:12,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:41:12,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-44.i [2024-11-07 09:41:12,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d558b54bc/4688e805aff342289e1b565b89042087/FLAG8f90e20f3 [2024-11-07 09:41:12,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d558b54bc/4688e805aff342289e1b565b89042087 [2024-11-07 09:41:12,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:41:12,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:41:12,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:41:12,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:41:12,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:41:12,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:41:12" (1/1) ... [2024-11-07 09:41:12,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9ab70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:12, skipping insertion in model container [2024-11-07 09:41:12,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:41:12" (1/1) ... [2024-11-07 09:41:12,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:41:12,672 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_operatoramount_amount500_file-44.i[916,929] [2024-11-07 09:41:12,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:41:12,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:41:12,918 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_operatoramount_amount500_file-44.i[916,929] [2024-11-07 09:41:13,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:41:13,038 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:41:13,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13 WrapperNode [2024-11-07 09:41:13,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:41:13,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:41:13,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:41:13,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:41:13,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,160 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 772 [2024-11-07 09:41:13,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:41:13,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:41:13,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:41:13,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:41:13,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,220 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 09:41:13,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:41:13,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:41:13,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:41:13,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:41:13,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (1/1) ... [2024-11-07 09:41:13,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:41:13,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:41:13,318 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 09:41:13,321 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 09:41:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:41:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:41:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:41:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:41:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:41:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:41:13,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:41:13,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:41:14,776 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-07 09:41:14,777 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:41:14,796 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:41:14,797 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:41:14,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:41:14 BoogieIcfgContainer [2024-11-07 09:41:14,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:41:14,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:41:14,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:41:14,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:41:14,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:41:12" (1/3) ... [2024-11-07 09:41:14,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c14fd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:41:14, skipping insertion in model container [2024-11-07 09:41:14,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:41:13" (2/3) ... [2024-11-07 09:41:14,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c14fd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:41:14, skipping insertion in model container [2024-11-07 09:41:14,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:41:14" (3/3) ... [2024-11-07 09:41:14,812 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-44.i [2024-11-07 09:41:14,827 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:41:14,827 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:41:14,902 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:41:14,927 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;@2989bb5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:41:14,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:41:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 235 states have (on average 1.574468085106383) internal successors, (370), 236 states have internal predecessors, (370), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-07 09:41:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-07 09:41:14,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:14,970 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:14,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:14,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:14,974 INFO L85 PathProgramCache]: Analyzing trace with hash 635257499, now seen corresponding path program 1 times [2024-11-07 09:41:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:14,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246162862] [2024-11-07 09:41:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:14,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:15,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:15,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246162862] [2024-11-07 09:41:15,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246162862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:15,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:15,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:41:15,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043946605] [2024-11-07 09:41:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:15,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:41:15,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:15,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:41:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:41:15,874 INFO L87 Difference]: Start difference. First operand has 289 states, 235 states have (on average 1.574468085106383) internal successors, (370), 236 states have internal predecessors, (370), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 09:41:15,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:15,912 INFO L93 Difference]: Finished difference Result 563 states and 976 transitions. [2024-11-07 09:41:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:41:15,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) Word has length 373 [2024-11-07 09:41:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:15,920 INFO L225 Difference]: With dead ends: 563 [2024-11-07 09:41:15,920 INFO L226 Difference]: Without dead ends: 277 [2024-11-07 09:41:15,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 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 09:41:15,926 INFO L432 NwaCegarLoop]: 450 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, 450 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 09:41:15,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:41:15,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-07 09:41:15,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-07 09:41:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 224 states have (on average 1.5535714285714286) internal successors, (348), 224 states have internal predecessors, (348), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-07 09:41:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 450 transitions. [2024-11-07 09:41:15,999 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 450 transitions. Word has length 373 [2024-11-07 09:41:15,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:15,999 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 450 transitions. [2024-11-07 09:41:16,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 09:41:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 450 transitions. [2024-11-07 09:41:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-07 09:41:16,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:16,005 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:16,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:41:16,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:16,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:16,006 INFO L85 PathProgramCache]: Analyzing trace with hash -229126947, now seen corresponding path program 1 times [2024-11-07 09:41:16,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:16,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219948904] [2024-11-07 09:41:16,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:16,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:16,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:16,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219948904] [2024-11-07 09:41:16,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219948904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:16,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:16,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:16,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492803144] [2024-11-07 09:41:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:16,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:16,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:16,683 INFO L87 Difference]: Start difference. First operand 277 states and 450 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:16,838 INFO L93 Difference]: Finished difference Result 756 states and 1228 transitions. [2024-11-07 09:41:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:16,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 373 [2024-11-07 09:41:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:16,843 INFO L225 Difference]: With dead ends: 756 [2024-11-07 09:41:16,843 INFO L226 Difference]: Without dead ends: 482 [2024-11-07 09:41:16,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:41:16,845 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 328 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:16,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 896 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:41:16,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-07 09:41:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 479. [2024-11-07 09:41:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 414 states have (on average 1.5748792270531402) internal successors, (652), 415 states have internal predecessors, (652), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:41:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 776 transitions. [2024-11-07 09:41:16,928 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 776 transitions. Word has length 373 [2024-11-07 09:41:16,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:16,929 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 776 transitions. [2024-11-07 09:41:16,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 776 transitions. [2024-11-07 09:41:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-07 09:41:16,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:16,938 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:16,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:41:16,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:16,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1888592091, now seen corresponding path program 1 times [2024-11-07 09:41:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:16,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973428171] [2024-11-07 09:41:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:17,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:17,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973428171] [2024-11-07 09:41:17,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973428171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:17,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:17,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:17,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047232697] [2024-11-07 09:41:17,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:17,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:17,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:17,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:17,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:17,462 INFO L87 Difference]: Start difference. First operand 479 states and 776 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:17,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:17,563 INFO L93 Difference]: Finished difference Result 1429 states and 2318 transitions. [2024-11-07 09:41:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:17,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 373 [2024-11-07 09:41:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:17,571 INFO L225 Difference]: With dead ends: 1429 [2024-11-07 09:41:17,571 INFO L226 Difference]: Without dead ends: 953 [2024-11-07 09:41:17,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:41:17,573 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 440 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:17,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1073 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:41:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-07 09:41:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 517. [2024-11-07 09:41:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 452 states have (on average 1.5685840707964602) internal successors, (709), 453 states have internal predecessors, (709), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:41:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 833 transitions. [2024-11-07 09:41:17,612 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 833 transitions. Word has length 373 [2024-11-07 09:41:17,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:17,612 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 833 transitions. [2024-11-07 09:41:17,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 833 transitions. [2024-11-07 09:41:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-07 09:41:17,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:17,616 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:17,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 09:41:17,617 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:17,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1066965983, now seen corresponding path program 1 times [2024-11-07 09:41:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:17,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330057604] [2024-11-07 09:41:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:17,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:17,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330057604] [2024-11-07 09:41:17,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330057604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:17,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:17,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:17,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113703116] [2024-11-07 09:41:17,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:17,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:17,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:17,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:17,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:17,936 INFO L87 Difference]: Start difference. First operand 517 states and 833 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:18,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:18,011 INFO L93 Difference]: Finished difference Result 1505 states and 2427 transitions. [2024-11-07 09:41:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 373 [2024-11-07 09:41:18,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:18,018 INFO L225 Difference]: With dead ends: 1505 [2024-11-07 09:41:18,018 INFO L226 Difference]: Without dead ends: 991 [2024-11-07 09:41:18,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:41:18,020 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 417 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:18,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 886 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:41:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-11-07 09:41:18,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 525. [2024-11-07 09:41:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 460 states have (on average 1.567391304347826) internal successors, (721), 461 states have internal predecessors, (721), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:41:18,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 845 transitions. [2024-11-07 09:41:18,073 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 845 transitions. Word has length 373 [2024-11-07 09:41:18,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:18,074 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 845 transitions. [2024-11-07 09:41:18,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 845 transitions. [2024-11-07 09:41:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-07 09:41:18,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:18,078 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:18,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 09:41:18,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:18,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash -818819489, now seen corresponding path program 1 times [2024-11-07 09:41:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597112471] [2024-11-07 09:41:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:18,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:18,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597112471] [2024-11-07 09:41:18,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597112471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:18,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:18,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:18,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763926474] [2024-11-07 09:41:18,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:18,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:18,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:18,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:18,412 INFO L87 Difference]: Start difference. First operand 525 states and 845 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:18,531 INFO L93 Difference]: Finished difference Result 1557 states and 2505 transitions. [2024-11-07 09:41:18,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:18,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 373 [2024-11-07 09:41:18,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:18,539 INFO L225 Difference]: With dead ends: 1557 [2024-11-07 09:41:18,540 INFO L226 Difference]: Without dead ends: 1035 [2024-11-07 09:41:18,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:41:18,544 INFO L432 NwaCegarLoop]: 729 mSDtfsCounter, 422 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:18,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1159 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:41:18,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2024-11-07 09:41:18,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 623. [2024-11-07 09:41:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 558 states have (on average 1.5949820788530467) internal successors, (890), 559 states have internal predecessors, (890), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:41:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1014 transitions. [2024-11-07 09:41:18,588 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1014 transitions. Word has length 373 [2024-11-07 09:41:18,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:18,589 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 1014 transitions. [2024-11-07 09:41:18,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1014 transitions. [2024-11-07 09:41:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-07 09:41:18,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:18,597 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:18,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 09:41:18,597 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:18,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:18,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1213186275, now seen corresponding path program 1 times [2024-11-07 09:41:18,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:18,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113450756] [2024-11-07 09:41:18,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:18,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113450756] [2024-11-07 09:41:18,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113450756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:18,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:18,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:18,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920555061] [2024-11-07 09:41:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:18,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:18,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:18,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:18,922 INFO L87 Difference]: Start difference. First operand 623 states and 1014 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:19,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:19,018 INFO L93 Difference]: Finished difference Result 1655 states and 2668 transitions. [2024-11-07 09:41:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:19,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 373 [2024-11-07 09:41:19,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:19,025 INFO L225 Difference]: With dead ends: 1655 [2024-11-07 09:41:19,025 INFO L226 Difference]: Without dead ends: 1035 [2024-11-07 09:41:19,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:41:19,027 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 426 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:19,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1005 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:41:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2024-11-07 09:41:19,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 623. [2024-11-07 09:41:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 558 states have (on average 1.5842293906810037) internal successors, (884), 559 states have internal predecessors, (884), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 09:41:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1008 transitions. [2024-11-07 09:41:19,075 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1008 transitions. Word has length 373 [2024-11-07 09:41:19,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:19,076 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 1008 transitions. [2024-11-07 09:41:19,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:19,077 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1008 transitions. [2024-11-07 09:41:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-11-07 09:41:19,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:19,083 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:19,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 09:41:19,083 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:19,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:19,084 INFO L85 PathProgramCache]: Analyzing trace with hash -2137981204, now seen corresponding path program 1 times [2024-11-07 09:41:19,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:19,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134468946] [2024-11-07 09:41:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:19,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:19,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:19,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134468946] [2024-11-07 09:41:19,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134468946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:19,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:19,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:19,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210416481] [2024-11-07 09:41:19,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:19,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:19,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:19,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:19,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:19,726 INFO L87 Difference]: Start difference. First operand 623 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:19,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:19,799 INFO L93 Difference]: Finished difference Result 1863 states and 3018 transitions. [2024-11-07 09:41:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:19,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 374 [2024-11-07 09:41:19,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:19,807 INFO L225 Difference]: With dead ends: 1863 [2024-11-07 09:41:19,808 INFO L226 Difference]: Without dead ends: 1243 [2024-11-07 09:41:19,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 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 09:41:19,810 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 383 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:19,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 881 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:41:19,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2024-11-07 09:41:19,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1241. [2024-11-07 09:41:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1112 states have (on average 1.5827338129496402) internal successors, (1760), 1114 states have internal predecessors, (1760), 124 states have call successors, (124), 4 states have call predecessors, (124), 4 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-07 09:41:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 2008 transitions. [2024-11-07 09:41:19,875 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 2008 transitions. Word has length 374 [2024-11-07 09:41:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:19,877 INFO L471 AbstractCegarLoop]: Abstraction has 1241 states and 2008 transitions. [2024-11-07 09:41:19,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 2008 transitions. [2024-11-07 09:41:19,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-11-07 09:41:19,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:19,882 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:19,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 09:41:19,883 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:19,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:19,883 INFO L85 PathProgramCache]: Analyzing trace with hash 568638190, now seen corresponding path program 1 times [2024-11-07 09:41:19,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:19,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621933438] [2024-11-07 09:41:19,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:20,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:20,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621933438] [2024-11-07 09:41:20,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621933438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:20,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:20,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:41:20,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546365090] [2024-11-07 09:41:20,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:20,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:41:20,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:20,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:41:20,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:41:20,929 INFO L87 Difference]: Start difference. First operand 1241 states and 2008 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:21,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:21,414 INFO L93 Difference]: Finished difference Result 3570 states and 5787 transitions. [2024-11-07 09:41:21,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 09:41:21,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 374 [2024-11-07 09:41:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:21,425 INFO L225 Difference]: With dead ends: 3570 [2024-11-07 09:41:21,425 INFO L226 Difference]: Without dead ends: 2332 [2024-11-07 09:41:21,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:41:21,429 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 389 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:21,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 2054 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 09:41:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2024-11-07 09:41:21,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 1398. [2024-11-07 09:41:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1217 states have (on average 1.5735414954806901) internal successors, (1915), 1219 states have internal predecessors, (1915), 175 states have call successors, (175), 5 states have call predecessors, (175), 5 states have return successors, (175), 173 states have call predecessors, (175), 175 states have call successors, (175) [2024-11-07 09:41:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 2265 transitions. [2024-11-07 09:41:21,533 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 2265 transitions. Word has length 374 [2024-11-07 09:41:21,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:21,533 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 2265 transitions. [2024-11-07 09:41:21,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2265 transitions. [2024-11-07 09:41:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-11-07 09:41:21,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:21,541 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:21,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 09:41:21,541 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:21,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:21,542 INFO L85 PathProgramCache]: Analyzing trace with hash 645538988, now seen corresponding path program 1 times [2024-11-07 09:41:21,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:21,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146186144] [2024-11-07 09:41:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:21,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:22,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:22,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146186144] [2024-11-07 09:41:22,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146186144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:22,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:22,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:41:22,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673464313] [2024-11-07 09:41:22,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:22,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:41:22,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:22,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:41:22,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:22,714 INFO L87 Difference]: Start difference. First operand 1398 states and 2265 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:23,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:23,244 INFO L93 Difference]: Finished difference Result 4415 states and 7156 transitions. [2024-11-07 09:41:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:41:23,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 374 [2024-11-07 09:41:23,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:23,258 INFO L225 Difference]: With dead ends: 4415 [2024-11-07 09:41:23,259 INFO L226 Difference]: Without dead ends: 3110 [2024-11-07 09:41:23,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 09:41:23,263 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 710 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:23,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 1483 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 09:41:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2024-11-07 09:41:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2126. [2024-11-07 09:41:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2126 states, 1839 states have (on average 1.5671560630777597) internal successors, (2882), 1841 states have internal predecessors, (2882), 277 states have call successors, (277), 9 states have call predecessors, (277), 9 states have return successors, (277), 275 states have call predecessors, (277), 277 states have call successors, (277) [2024-11-07 09:41:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 3436 transitions. [2024-11-07 09:41:23,431 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 3436 transitions. Word has length 374 [2024-11-07 09:41:23,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:23,432 INFO L471 AbstractCegarLoop]: Abstraction has 2126 states and 3436 transitions. [2024-11-07 09:41:23,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 3436 transitions. [2024-11-07 09:41:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-07 09:41:23,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:23,437 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:23,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 09:41:23,437 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:23,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:23,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1596422542, now seen corresponding path program 1 times [2024-11-07 09:41:23,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:23,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345287083] [2024-11-07 09:41:23,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:23,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:24,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:24,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345287083] [2024-11-07 09:41:24,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345287083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:24,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:24,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:41:24,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695512108] [2024-11-07 09:41:24,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:24,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:41:24,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:24,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:41:24,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:24,813 INFO L87 Difference]: Start difference. First operand 2126 states and 3436 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:25,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:25,219 INFO L93 Difference]: Finished difference Result 5968 states and 9654 transitions. [2024-11-07 09:41:25,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:41:25,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 375 [2024-11-07 09:41:25,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:25,236 INFO L225 Difference]: With dead ends: 5968 [2024-11-07 09:41:25,236 INFO L226 Difference]: Without dead ends: 3940 [2024-11-07 09:41:25,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 09:41:25,242 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 442 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:25,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1406 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:41:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2024-11-07 09:41:25,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 2498. [2024-11-07 09:41:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2211 states have (on average 1.5685210312075983) internal successors, (3468), 2213 states have internal predecessors, (3468), 277 states have call successors, (277), 9 states have call predecessors, (277), 9 states have return successors, (277), 275 states have call predecessors, (277), 277 states have call successors, (277) [2024-11-07 09:41:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 4022 transitions. [2024-11-07 09:41:25,381 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 4022 transitions. Word has length 375 [2024-11-07 09:41:25,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:25,382 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 4022 transitions. [2024-11-07 09:41:25,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 4022 transitions. [2024-11-07 09:41:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-07 09:41:25,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:25,388 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:25,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 09:41:25,389 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:25,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:25,390 INFO L85 PathProgramCache]: Analyzing trace with hash -560662834, now seen corresponding path program 1 times [2024-11-07 09:41:25,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:25,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586052480] [2024-11-07 09:41:25,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:25,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:26,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586052480] [2024-11-07 09:41:26,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586052480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:26,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:26,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:41:26,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319023664] [2024-11-07 09:41:26,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:26,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:41:26,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:41:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:26,184 INFO L87 Difference]: Start difference. First operand 2498 states and 4022 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:26,405 INFO L93 Difference]: Finished difference Result 6182 states and 9938 transitions. [2024-11-07 09:41:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:41:26,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 376 [2024-11-07 09:41:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:26,426 INFO L225 Difference]: With dead ends: 6182 [2024-11-07 09:41:26,426 INFO L226 Difference]: Without dead ends: 4238 [2024-11-07 09:41:26,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:26,434 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 623 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:26,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1140 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:41:26,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4238 states. [2024-11-07 09:41:26,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4238 to 3876. [2024-11-07 09:41:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 3431 states have (on average 1.5616438356164384) internal successors, (5358), 3439 states have internal predecessors, (5358), 423 states have call successors, (423), 21 states have call predecessors, (423), 21 states have return successors, (423), 415 states have call predecessors, (423), 423 states have call successors, (423) [2024-11-07 09:41:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 6204 transitions. [2024-11-07 09:41:26,638 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 6204 transitions. Word has length 376 [2024-11-07 09:41:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:26,639 INFO L471 AbstractCegarLoop]: Abstraction has 3876 states and 6204 transitions. [2024-11-07 09:41:26,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 6204 transitions. [2024-11-07 09:41:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-07 09:41:26,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:26,647 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:26,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 09:41:26,647 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:26,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:26,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2009393714, now seen corresponding path program 1 times [2024-11-07 09:41:26,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:26,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251877259] [2024-11-07 09:41:26,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:26,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:27,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:27,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251877259] [2024-11-07 09:41:27,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251877259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:27,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:27,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:41:27,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667886586] [2024-11-07 09:41:27,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:27,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:41:27,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:27,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:41:27,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:27,604 INFO L87 Difference]: Start difference. First operand 3876 states and 6204 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:27,973 INFO L93 Difference]: Finished difference Result 11730 states and 18618 transitions. [2024-11-07 09:41:27,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:41:27,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 376 [2024-11-07 09:41:27,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:28,009 INFO L225 Difference]: With dead ends: 11730 [2024-11-07 09:41:28,010 INFO L226 Difference]: Without dead ends: 8084 [2024-11-07 09:41:28,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 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 09:41:28,016 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 590 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:28,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1277 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 09:41:28,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8084 states. [2024-11-07 09:41:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8084 to 6658. [2024-11-07 09:41:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6658 states, 6146 states have (on average 1.5611780019524895) internal successors, (9595), 6166 states have internal predecessors, (9595), 471 states have call successors, (471), 40 states have call predecessors, (471), 40 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6658 states to 6658 states and 10537 transitions. [2024-11-07 09:41:28,269 INFO L78 Accepts]: Start accepts. Automaton has 6658 states and 10537 transitions. Word has length 376 [2024-11-07 09:41:28,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:28,269 INFO L471 AbstractCegarLoop]: Abstraction has 6658 states and 10537 transitions. [2024-11-07 09:41:28,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 6658 states and 10537 transitions. [2024-11-07 09:41:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-07 09:41:28,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:28,294 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:28,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 09:41:28,294 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:28,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1544640149, now seen corresponding path program 1 times [2024-11-07 09:41:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258590156] [2024-11-07 09:41:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:28,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:28,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258590156] [2024-11-07 09:41:28,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258590156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:28,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:28,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:41:28,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945655551] [2024-11-07 09:41:28,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:28,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:41:28,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:28,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:41:28,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:41:28,494 INFO L87 Difference]: Start difference. First operand 6658 states and 10537 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:28,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:28,773 INFO L93 Difference]: Finished difference Result 15352 states and 24319 transitions. [2024-11-07 09:41:28,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:41:28,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 376 [2024-11-07 09:41:28,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:28,799 INFO L225 Difference]: With dead ends: 15352 [2024-11-07 09:41:28,799 INFO L226 Difference]: Without dead ends: 9528 [2024-11-07 09:41:28,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:41:28,809 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 148 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:28,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 929 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:41:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9528 states. [2024-11-07 09:41:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9528 to 7294. [2024-11-07 09:41:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7294 states, 6782 states have (on average 1.5716602772043644) internal successors, (10659), 6802 states have internal predecessors, (10659), 471 states have call successors, (471), 40 states have call predecessors, (471), 40 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7294 states to 7294 states and 11601 transitions. [2024-11-07 09:41:29,061 INFO L78 Accepts]: Start accepts. Automaton has 7294 states and 11601 transitions. Word has length 376 [2024-11-07 09:41:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:29,062 INFO L471 AbstractCegarLoop]: Abstraction has 7294 states and 11601 transitions. [2024-11-07 09:41:29,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 7294 states and 11601 transitions. [2024-11-07 09:41:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-07 09:41:29,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:29,075 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:29,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 09:41:29,076 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:29,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash 756182441, now seen corresponding path program 1 times [2024-11-07 09:41:29,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:29,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29461315] [2024-11-07 09:41:29,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:30,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:30,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29461315] [2024-11-07 09:41:30,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29461315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:30,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 09:41:30,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211327645] [2024-11-07 09:41:30,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:30,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 09:41:30,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:30,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 09:41:30,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:41:30,479 INFO L87 Difference]: Start difference. First operand 7294 states and 11601 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:31,276 INFO L93 Difference]: Finished difference Result 19574 states and 31321 transitions. [2024-11-07 09:41:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 09:41:31,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 376 [2024-11-07 09:41:31,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:31,308 INFO L225 Difference]: With dead ends: 19574 [2024-11-07 09:41:31,308 INFO L226 Difference]: Without dead ends: 12756 [2024-11-07 09:41:31,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 09:41:31,325 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 393 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:31,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1635 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 09:41:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12756 states. [2024-11-07 09:41:31,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12756 to 7294. [2024-11-07 09:41:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7294 states, 6782 states have (on average 1.571070480684164) internal successors, (10655), 6802 states have internal predecessors, (10655), 471 states have call successors, (471), 40 states have call predecessors, (471), 40 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7294 states to 7294 states and 11597 transitions. [2024-11-07 09:41:31,590 INFO L78 Accepts]: Start accepts. Automaton has 7294 states and 11597 transitions. Word has length 376 [2024-11-07 09:41:31,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:31,591 INFO L471 AbstractCegarLoop]: Abstraction has 7294 states and 11597 transitions. [2024-11-07 09:41:31,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 7294 states and 11597 transitions. [2024-11-07 09:41:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-07 09:41:31,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:31,603 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:31,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 09:41:31,604 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:31,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash 696118565, now seen corresponding path program 1 times [2024-11-07 09:41:31,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:31,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717877007] [2024-11-07 09:41:31,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:31,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:32,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:32,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717877007] [2024-11-07 09:41:32,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717877007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:32,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:32,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:41:32,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596078994] [2024-11-07 09:41:32,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:32,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:41:32,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:32,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:41:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:32,668 INFO L87 Difference]: Start difference. First operand 7294 states and 11597 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:33,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:33,179 INFO L93 Difference]: Finished difference Result 17729 states and 28233 transitions. [2024-11-07 09:41:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:41:33,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 377 [2024-11-07 09:41:33,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:33,204 INFO L225 Difference]: With dead ends: 17729 [2024-11-07 09:41:33,204 INFO L226 Difference]: Without dead ends: 11269 [2024-11-07 09:41:33,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:41:33,216 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 725 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:33,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1150 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:41:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11269 states. [2024-11-07 09:41:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11269 to 10199. [2024-11-07 09:41:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 9687 states have (on average 1.5945081036440591) internal successors, (15446), 9707 states have internal predecessors, (15446), 471 states have call successors, (471), 40 states have call predecessors, (471), 40 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 16388 transitions. [2024-11-07 09:41:33,460 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 16388 transitions. Word has length 377 [2024-11-07 09:41:33,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:33,461 INFO L471 AbstractCegarLoop]: Abstraction has 10199 states and 16388 transitions. [2024-11-07 09:41:33,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 16388 transitions. [2024-11-07 09:41:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-07 09:41:33,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:33,476 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:33,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 09:41:33,476 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:33,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:33,476 INFO L85 PathProgramCache]: Analyzing trace with hash -892229337, now seen corresponding path program 1 times [2024-11-07 09:41:33,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:33,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409963502] [2024-11-07 09:41:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:33,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:37,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:37,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409963502] [2024-11-07 09:41:37,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409963502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:37,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:37,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:41:37,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505565957] [2024-11-07 09:41:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:37,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:41:37,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:37,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:41:37,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:41:37,841 INFO L87 Difference]: Start difference. First operand 10199 states and 16388 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:39,780 INFO L93 Difference]: Finished difference Result 37690 states and 61036 transitions. [2024-11-07 09:41:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 09:41:39,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 377 [2024-11-07 09:41:39,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:39,844 INFO L225 Difference]: With dead ends: 37690 [2024-11-07 09:41:39,844 INFO L226 Difference]: Without dead ends: 31618 [2024-11-07 09:41:39,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:41:39,861 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 3215 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 2546 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:39,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 2546 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 09:41:39,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31618 states. [2024-11-07 09:41:40,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31618 to 14501. [2024-11-07 09:41:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14501 states, 13989 states have (on average 1.6014011008649653) internal successors, (22402), 14009 states have internal predecessors, (22402), 471 states have call successors, (471), 40 states have call predecessors, (471), 40 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14501 states to 14501 states and 23344 transitions. [2024-11-07 09:41:40,349 INFO L78 Accepts]: Start accepts. Automaton has 14501 states and 23344 transitions. Word has length 377 [2024-11-07 09:41:40,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:40,350 INFO L471 AbstractCegarLoop]: Abstraction has 14501 states and 23344 transitions. [2024-11-07 09:41:40,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 14501 states and 23344 transitions. [2024-11-07 09:41:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-07 09:41:40,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:40,372 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:40,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 09:41:40,372 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:40,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:40,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1871670124, now seen corresponding path program 1 times [2024-11-07 09:41:40,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:40,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671972768] [2024-11-07 09:41:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-11-07 09:41:41,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:41,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671972768] [2024-11-07 09:41:41,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671972768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:41:41,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166779821] [2024-11-07 09:41:41,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:41,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:41:41,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:41:41,614 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 09:41:41,616 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 09:41:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:41,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 09:41:42,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:41:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 2600 proven. 75 refuted. 0 times theorem prover too weak. 2425 trivial. 0 not checked. [2024-11-07 09:41:42,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:41:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 75 proven. 75 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-11-07 09:41:42,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166779821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:41:42,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:41:42,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-11-07 09:41:42,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133446173] [2024-11-07 09:41:42,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:41:42,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 09:41:42,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:42,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 09:41:42,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:41:42,535 INFO L87 Difference]: Start difference. First operand 14501 states and 23344 transitions. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 4 states have call successors, (126), 2 states have call predecessors, (126), 4 states have return successors, (128), 4 states have call predecessors, (128), 4 states have call successors, (128) [2024-11-07 09:41:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:43,957 INFO L93 Difference]: Finished difference Result 34881 states and 56152 transitions. [2024-11-07 09:41:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 09:41:43,958 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 4 states have call successors, (126), 2 states have call predecessors, (126), 4 states have return successors, (128), 4 states have call predecessors, (128), 4 states have call successors, (128) Word has length 377 [2024-11-07 09:41:43,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:44,006 INFO L225 Difference]: With dead ends: 34881 [2024-11-07 09:41:44,006 INFO L226 Difference]: Without dead ends: 23677 [2024-11-07 09:41:44,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2024-11-07 09:41:44,023 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 1550 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:44,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 2176 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 09:41:44,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23677 states. [2024-11-07 09:41:44,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23677 to 19880. [2024-11-07 09:41:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19880 states, 19336 states have (on average 1.583678113363674) internal successors, (30622), 19356 states have internal predecessors, (30622), 471 states have call successors, (471), 72 states have call predecessors, (471), 72 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19880 states to 19880 states and 31564 transitions. [2024-11-07 09:41:44,461 INFO L78 Accepts]: Start accepts. Automaton has 19880 states and 31564 transitions. Word has length 377 [2024-11-07 09:41:44,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:44,462 INFO L471 AbstractCegarLoop]: Abstraction has 19880 states and 31564 transitions. [2024-11-07 09:41:44,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 4 states have call successors, (126), 2 states have call predecessors, (126), 4 states have return successors, (128), 4 states have call predecessors, (128), 4 states have call successors, (128) [2024-11-07 09:41:44,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19880 states and 31564 transitions. [2024-11-07 09:41:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-07 09:41:44,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:44,496 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:44,514 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 09:41:44,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 09:41:44,702 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:44,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:44,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1198756395, now seen corresponding path program 1 times [2024-11-07 09:41:44,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:44,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284471563] [2024-11-07 09:41:44,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:44,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:46,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284471563] [2024-11-07 09:41:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284471563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:46,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:46,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 09:41:46,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466570721] [2024-11-07 09:41:46,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:46,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:41:46,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:46,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:41:46,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:41:46,534 INFO L87 Difference]: Start difference. First operand 19880 states and 31564 transitions. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 09:41:49,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:49,229 INFO L93 Difference]: Finished difference Result 71199 states and 113352 transitions. [2024-11-07 09:41:49,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 09:41:49,229 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 378 [2024-11-07 09:41:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:49,321 INFO L225 Difference]: With dead ends: 71199 [2024-11-07 09:41:49,322 INFO L226 Difference]: Without dead ends: 58360 [2024-11-07 09:41:49,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-07 09:41:49,351 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 1950 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 4107 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:49,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 4107 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 09:41:49,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58360 states. [2024-11-07 09:41:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58360 to 26018. [2024-11-07 09:41:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26018 states, 25474 states have (on average 1.592133155374107) internal successors, (40558), 25494 states have internal predecessors, (40558), 471 states have call successors, (471), 72 states have call predecessors, (471), 72 states have return successors, (471), 451 states have call predecessors, (471), 471 states have call successors, (471) [2024-11-07 09:41:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26018 states to 26018 states and 41500 transitions. [2024-11-07 09:41:49,965 INFO L78 Accepts]: Start accepts. Automaton has 26018 states and 41500 transitions. Word has length 378 [2024-11-07 09:41:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:49,966 INFO L471 AbstractCegarLoop]: Abstraction has 26018 states and 41500 transitions. [2024-11-07 09:41:49,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 09:41:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 26018 states and 41500 transitions. [2024-11-07 09:41:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-07 09:41:49,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:49,999 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:50,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 09:41:50,000 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:50,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:50,001 INFO L85 PathProgramCache]: Analyzing trace with hash -81107283, now seen corresponding path program 1 times [2024-11-07 09:41:50,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:50,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762152199] [2024-11-07 09:41:50,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:50,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:41:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:41:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:41:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:41:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:41:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:41:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:41:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:41:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:41:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:41:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:41:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:41:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:41:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:41:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:41:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:41:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:41:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:41:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:41:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:41:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:41:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:41:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:41:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:41:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:41:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:41:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:41:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:41:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:41:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:41:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:41:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:41:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:41:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:41:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:41:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:41:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:41:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:41:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:41:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:41:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:41:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:41:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:41:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:41:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:41:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:41:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:41:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:41:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:41:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:41:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:41:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:41:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:41:51,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:41:51,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762152199] [2024-11-07 09:41:51,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762152199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:41:51,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:41:51,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:41:51,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367471289] [2024-11-07 09:41:51,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:41:51,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 09:41:51,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:41:51,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 09:41:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 09:41:51,416 INFO L87 Difference]: Start difference. First operand 26018 states and 41500 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:41:56,769 INFO L93 Difference]: Finished difference Result 147764 states and 234302 transitions. [2024-11-07 09:41:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 09:41:56,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 378 [2024-11-07 09:41:56,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:41:56,986 INFO L225 Difference]: With dead ends: 147764 [2024-11-07 09:41:56,987 INFO L226 Difference]: Without dead ends: 130029 [2024-11-07 09:41:57,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2024-11-07 09:41:57,031 INFO L432 NwaCegarLoop]: 2176 mSDtfsCounter, 4399 mSDsluCounter, 6490 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4399 SdHoareTripleChecker+Valid, 8666 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 09:41:57,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4399 Valid, 8666 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 09:41:57,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130029 states. [2024-11-07 09:41:59,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130029 to 62018. [2024-11-07 09:41:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62018 states, 59975 states have (on average 1.574622759483118) internal successors, (94438), 60059 states have internal predecessors, (94438), 1751 states have call successors, (1751), 291 states have call predecessors, (1751), 291 states have return successors, (1751), 1667 states have call predecessors, (1751), 1751 states have call successors, (1751) [2024-11-07 09:41:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62018 states to 62018 states and 97940 transitions. [2024-11-07 09:41:59,494 INFO L78 Accepts]: Start accepts. Automaton has 62018 states and 97940 transitions. Word has length 378 [2024-11-07 09:41:59,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:41:59,495 INFO L471 AbstractCegarLoop]: Abstraction has 62018 states and 97940 transitions. [2024-11-07 09:41:59,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:41:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 62018 states and 97940 transitions. [2024-11-07 09:41:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-07 09:41:59,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:41:59,850 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:59,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 09:41:59,850 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:41:59,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:41:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash 851211502, now seen corresponding path program 1 times [2024-11-07 09:41:59,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:41:59,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591099703] [2024-11-07 09:41:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:41:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:41:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:42:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:42:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:42:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:42:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:42:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:42:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:42:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:42:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:42:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:42:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:42:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:42:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:42:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:42:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:42:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:42:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:42:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:42:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:42:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:42:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:42:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:42:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:42:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:42:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:42:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:42:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:42:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:42:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:42:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:42:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:42:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:42:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:42:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:42:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:42:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:42:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:42:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:42:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:42:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:42:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:42:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:42:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:42:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:42:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:42:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:42:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:42:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:42:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:42:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:42:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:42:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:42:00,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:42:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591099703] [2024-11-07 09:42:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591099703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:42:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:42:00,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:42:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953148578] [2024-11-07 09:42:00,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:42:00,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:42:00,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:42:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:42:00,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:42:00,254 INFO L87 Difference]: Start difference. First operand 62018 states and 97940 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:42:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:42:01,440 INFO L93 Difference]: Finished difference Result 105014 states and 165651 transitions. [2024-11-07 09:42:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:42:01,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 378 [2024-11-07 09:42:01,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:42:01,569 INFO L225 Difference]: With dead ends: 105014 [2024-11-07 09:42:01,569 INFO L226 Difference]: Without dead ends: 59306 [2024-11-07 09:42:01,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 09:42:01,621 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 310 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:42:01,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 975 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:42:01,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59306 states. [2024-11-07 09:42:03,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59306 to 55639. [2024-11-07 09:42:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55639 states, 54187 states have (on average 1.5813017882517948) internal successors, (85686), 54247 states have internal predecessors, (85686), 1227 states have call successors, (1227), 224 states have call predecessors, (1227), 224 states have return successors, (1227), 1167 states have call predecessors, (1227), 1227 states have call successors, (1227) [2024-11-07 09:42:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55639 states to 55639 states and 88140 transitions. [2024-11-07 09:42:03,883 INFO L78 Accepts]: Start accepts. Automaton has 55639 states and 88140 transitions. Word has length 378 [2024-11-07 09:42:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:42:03,884 INFO L471 AbstractCegarLoop]: Abstraction has 55639 states and 88140 transitions. [2024-11-07 09:42:03,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:42:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 55639 states and 88140 transitions. [2024-11-07 09:42:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-07 09:42:03,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:42:03,924 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:03,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 09:42:03,925 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:42:03,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:42:03,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1805151660, now seen corresponding path program 1 times [2024-11-07 09:42:03,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:42:03,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002599344] [2024-11-07 09:42:03,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:42:03,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:42:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:42:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:42:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:42:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:42:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:42:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:42:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:42:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:42:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:42:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:42:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:42:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:42:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:42:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:42:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:42:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:42:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:42:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:42:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:42:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:42:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:42:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:42:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:42:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:42:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:42:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:42:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:42:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:42:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:42:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:42:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:42:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:42:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:42:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:42:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:42:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:42:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:42:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:42:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:42:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:42:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:42:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:42:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:42:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:42:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:42:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:42:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:42:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:42:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:42:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:42:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:42:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:42:06,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:42:06,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002599344] [2024-11-07 09:42:06,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002599344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:42:06,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:42:06,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 09:42:06,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488691703] [2024-11-07 09:42:06,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:42:06,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:42:06,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:42:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:42:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:42:06,884 INFO L87 Difference]: Start difference. First operand 55639 states and 88140 transitions. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 09:42:12,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:42:12,701 INFO L93 Difference]: Finished difference Result 193146 states and 306290 transitions. [2024-11-07 09:42:12,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 09:42:12,702 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 378 [2024-11-07 09:42:12,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:42:13,152 INFO L225 Difference]: With dead ends: 193146 [2024-11-07 09:42:13,152 INFO L226 Difference]: Without dead ends: 159164 [2024-11-07 09:42:13,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:42:13,205 INFO L432 NwaCegarLoop]: 900 mSDtfsCounter, 2986 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 3651 SdHoareTripleChecker+Invalid, 2533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:42:13,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 3651 Invalid, 2533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 09:42:13,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159164 states. [2024-11-07 09:42:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159164 to 93363. [2024-11-07 09:42:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93363 states, 91129 states have (on average 1.5849400300672674) internal successors, (144434), 91229 states have internal predecessors, (144434), 1871 states have call successors, (1871), 362 states have call predecessors, (1871), 362 states have return successors, (1871), 1771 states have call predecessors, (1871), 1871 states have call successors, (1871) [2024-11-07 09:42:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93363 states to 93363 states and 148176 transitions. [2024-11-07 09:42:15,775 INFO L78 Accepts]: Start accepts. Automaton has 93363 states and 148176 transitions. Word has length 378 [2024-11-07 09:42:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:42:15,776 INFO L471 AbstractCegarLoop]: Abstraction has 93363 states and 148176 transitions. [2024-11-07 09:42:15,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 09:42:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 93363 states and 148176 transitions. [2024-11-07 09:42:15,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-07 09:42:15,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:42:15,833 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:15,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 09:42:15,834 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:42:15,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:42:15,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1915377456, now seen corresponding path program 1 times [2024-11-07 09:42:15,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:42:15,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642064237] [2024-11-07 09:42:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:42:15,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:42:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:42:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:42:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:42:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:42:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:42:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:42:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:42:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:42:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:42:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:42:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:42:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:42:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:42:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:42:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:42:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:42:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:42:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:42:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:42:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:42:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:42:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:42:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:42:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:42:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:42:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:42:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:42:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:42:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:42:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:42:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:42:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:42:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:42:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:42:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:42:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:42:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:42:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:42:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:42:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:42:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:42:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:42:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:42:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:42:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:42:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:42:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:42:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:42:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:42:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:42:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:42:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:42:16,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:42:16,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642064237] [2024-11-07 09:42:16,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642064237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:42:16,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:42:16,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:42:16,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996840004] [2024-11-07 09:42:16,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:42:16,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:42:16,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:42:16,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:42:16,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:42:16,722 INFO L87 Difference]: Start difference. First operand 93363 states and 148176 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:42:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:42:20,350 INFO L93 Difference]: Finished difference Result 243557 states and 385298 transitions. [2024-11-07 09:42:20,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 09:42:20,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 378 [2024-11-07 09:42:20,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:42:20,681 INFO L225 Difference]: With dead ends: 243557 [2024-11-07 09:42:20,681 INFO L226 Difference]: Without dead ends: 164100 [2024-11-07 09:42:20,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 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 09:42:20,780 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 1123 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:42:20,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 1514 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 09:42:20,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164100 states. [2024-11-07 09:42:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164100 to 95931. [2024-11-07 09:42:23,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95931 states, 93697 states have (on average 1.5846611951289795) internal successors, (148478), 93797 states have internal predecessors, (148478), 1871 states have call successors, (1871), 362 states have call predecessors, (1871), 362 states have return successors, (1871), 1771 states have call predecessors, (1871), 1871 states have call successors, (1871) [2024-11-07 09:42:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95931 states to 95931 states and 152220 transitions. [2024-11-07 09:42:23,771 INFO L78 Accepts]: Start accepts. Automaton has 95931 states and 152220 transitions. Word has length 378 [2024-11-07 09:42:23,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:42:23,771 INFO L471 AbstractCegarLoop]: Abstraction has 95931 states and 152220 transitions. [2024-11-07 09:42:23,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-07 09:42:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 95931 states and 152220 transitions. [2024-11-07 09:42:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-07 09:42:23,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:42:23,831 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:23,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 09:42:23,831 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:42:23,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:42:23,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1613796630, now seen corresponding path program 1 times [2024-11-07 09:42:23,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:42:23,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943914289] [2024-11-07 09:42:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:42:23,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:42:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:42:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:42:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:42:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:42:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:42:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:42:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:42:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:42:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:42:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:42:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:42:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:42:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:42:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:42:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:42:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:42:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:42:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:42:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 09:42:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 09:42:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 09:42:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:42:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 09:42:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:42:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 09:42:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:42:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 09:42:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:42:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 09:42:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 09:42:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 09:42:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 09:42:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 09:42:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 09:42:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 09:42:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 09:42:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 09:42:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 09:42:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 09:42:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 09:42:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 09:42:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 09:42:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 09:42:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 09:42:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:42:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 09:42:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:42:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 09:42:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:42:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-07 09:42:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:42:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:42:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-07 09:42:25,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:42:25,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943914289] [2024-11-07 09:42:25,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943914289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:42:25,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:42:25,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 09:42:25,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940247928] [2024-11-07 09:42:25,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:42:25,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 09:42:25,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:42:25,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 09:42:25,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 09:42:25,791 INFO L87 Difference]: Start difference. First operand 95931 states and 152220 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51)