./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.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_amount250_file-78.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', 'ce36ae11817d8408b28b87366201df9141e6e75d787dae6b6223431c24a32438'] 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_amount250_file-78.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 ce36ae11817d8408b28b87366201df9141e6e75d787dae6b6223431c24a32438 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:24:28,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:24:28,641 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:24:28,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:24:28,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:24:28,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:24:28,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:24:28,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:24:28,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:24:28,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:24:28,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:24:28,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:24:28,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:24:28,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:24:28,674 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:24:28,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:24:28,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:24:28,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:24:28,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:24:28,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:24:28,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:24:28,676 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 -> ce36ae11817d8408b28b87366201df9141e6e75d787dae6b6223431c24a32438 [2024-11-07 09:24:28,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:24:28,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:24:28,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:24:28,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:24:28,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:24:28,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i [2024-11-07 09:24:30,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:24:30,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:24:30,270 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i [2024-11-07 09:24:30,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7aa901851/f95eada8a2b14133b61ed7620867b7d8/FLAGb2bb7d589 [2024-11-07 09:24:30,626 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7aa901851/f95eada8a2b14133b61ed7620867b7d8 [2024-11-07 09:24:30,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:24:30,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:24:30,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:24:30,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:24:30,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:24:30,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:30,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25efdba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30, skipping insertion in model container [2024-11-07 09:24:30,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:30,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:24:30,743 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_amount250_file-78.i[916,929] [2024-11-07 09:24:30,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:24:30,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:24:30,851 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_amount250_file-78.i[916,929] [2024-11-07 09:24:30,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:24:30,924 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:24:30,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30 WrapperNode [2024-11-07 09:24:30,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:24:30,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:24:30,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:24:30,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:24:30,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:30,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,020 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-11-07 09:24:31,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:24:31,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:24:31,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:24:31,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:24:31,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,044 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,106 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 09:24:31,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:24:31,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:24:31,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:24:31,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:24:31,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (1/1) ... [2024-11-07 09:24:31,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:24:31,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:24:31,192 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 09:24:31,194 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 09:24:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:24:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:24:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:24:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:24:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:24:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:24:31,316 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:24:31,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:24:32,100 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-07 09:24:32,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:24:32,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:24:32,117 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:24:32,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:24:32 BoogieIcfgContainer [2024-11-07 09:24:32,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:24:32,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:24:32,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:24:32,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:24:32,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:24:30" (1/3) ... [2024-11-07 09:24:32,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7961f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:24:32, skipping insertion in model container [2024-11-07 09:24:32,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:24:30" (2/3) ... [2024-11-07 09:24:32,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7961f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:24:32, skipping insertion in model container [2024-11-07 09:24:32,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:24:32" (3/3) ... [2024-11-07 09:24:32,125 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-78.i [2024-11-07 09:24:32,140 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:24:32,140 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:24:32,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:24:32,211 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;@36ec91e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:24:32,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:24:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 143 states have (on average 1.5174825174825175) internal successors, (217), 144 states have internal predecessors, (217), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 09:24:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-07 09:24:32,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:32,235 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:32,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:32,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash 762461382, now seen corresponding path program 1 times [2024-11-07 09:24:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:32,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858256746] [2024-11-07 09:24:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:32,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:32,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858256746] [2024-11-07 09:24:32,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858256746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:32,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:32,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:24:32,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953137376] [2024-11-07 09:24:32,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:32,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:24:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:24:32,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:24:32,977 INFO L87 Difference]: Start difference. First operand has 202 states, 143 states have (on average 1.5174825174825175) internal successors, (217), 144 states have internal predecessors, (217), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-07 09:24:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:33,019 INFO L93 Difference]: Finished difference Result 397 states and 708 transitions. [2024-11-07 09:24:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:24:33,021 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 365 [2024-11-07 09:24:33,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:33,027 INFO L225 Difference]: With dead ends: 397 [2024-11-07 09:24:33,029 INFO L226 Difference]: Without dead ends: 198 [2024-11-07 09:24:33,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 09:24:33,036 INFO L432 NwaCegarLoop]: 322 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, 322 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 09:24:33,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:24:33,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-07 09:24:33,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-07 09:24:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 140 states have (on average 1.5) internal successors, (210), 140 states have internal predecessors, (210), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 09:24:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 322 transitions. [2024-11-07 09:24:33,081 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 322 transitions. Word has length 365 [2024-11-07 09:24:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:33,081 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 322 transitions. [2024-11-07 09:24:33,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-07 09:24:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 322 transitions. [2024-11-07 09:24:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-07 09:24:33,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:33,086 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:33,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:24:33,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:33,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:33,087 INFO L85 PathProgramCache]: Analyzing trace with hash -66166458, now seen corresponding path program 1 times [2024-11-07 09:24:33,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:33,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736857096] [2024-11-07 09:24:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:33,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:33,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:33,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736857096] [2024-11-07 09:24:33,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736857096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:33,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:33,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:24:33,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242728539] [2024-11-07 09:24:33,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:33,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:24:33,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:24:33,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:24:33,510 INFO L87 Difference]: Start difference. First operand 198 states and 322 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:33,637 INFO L93 Difference]: Finished difference Result 585 states and 954 transitions. [2024-11-07 09:24:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:24:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 365 [2024-11-07 09:24:33,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:33,642 INFO L225 Difference]: With dead ends: 585 [2024-11-07 09:24:33,642 INFO L226 Difference]: Without dead ends: 390 [2024-11-07 09:24:33,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 09:24:33,643 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 297 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:33,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 643 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:24:33,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-07 09:24:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2024-11-07 09:24:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 271 states have (on average 1.4612546125461254) internal successors, (396), 271 states have internal predecessors, (396), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-07 09:24:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 620 transitions. [2024-11-07 09:24:33,723 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 620 transitions. Word has length 365 [2024-11-07 09:24:33,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:33,725 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 620 transitions. [2024-11-07 09:24:33,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 620 transitions. [2024-11-07 09:24:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-07 09:24:33,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:33,728 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:33,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:24:33,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:33,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:33,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1809895298, now seen corresponding path program 1 times [2024-11-07 09:24:33,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:33,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128564432] [2024-11-07 09:24:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:33,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:33,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:34,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:34,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128564432] [2024-11-07 09:24:34,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128564432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:34,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:34,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:24:34,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523879285] [2024-11-07 09:24:34,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:34,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:24:34,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:34,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:24:34,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:24:34,049 INFO L87 Difference]: Start difference. First operand 386 states and 620 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:34,177 INFO L93 Difference]: Finished difference Result 779 states and 1253 transitions. [2024-11-07 09:24:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:24:34,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 366 [2024-11-07 09:24:34,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:34,185 INFO L225 Difference]: With dead ends: 779 [2024-11-07 09:24:34,185 INFO L226 Difference]: Without dead ends: 396 [2024-11-07 09:24:34,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 09:24:34,188 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 281 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:34,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 770 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:24:34,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-07 09:24:34,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 392. [2024-11-07 09:24:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 277 states have (on average 1.44043321299639) internal successors, (399), 277 states have internal predecessors, (399), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-07 09:24:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 623 transitions. [2024-11-07 09:24:34,240 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 623 transitions. Word has length 366 [2024-11-07 09:24:34,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:34,241 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 623 transitions. [2024-11-07 09:24:34,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 623 transitions. [2024-11-07 09:24:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-07 09:24:34,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:34,245 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:34,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 09:24:34,245 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:34,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:34,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1667423548, now seen corresponding path program 1 times [2024-11-07 09:24:34,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:34,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578925383] [2024-11-07 09:24:34,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:34,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:35,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:35,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578925383] [2024-11-07 09:24:35,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578925383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:35,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:35,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:24:35,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710842096] [2024-11-07 09:24:35,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:35,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:24:35,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:35,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:24:35,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:24:35,247 INFO L87 Difference]: Start difference. First operand 392 states and 623 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:35,962 INFO L93 Difference]: Finished difference Result 1422 states and 2257 transitions. [2024-11-07 09:24:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 09:24:35,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 366 [2024-11-07 09:24:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:35,971 INFO L225 Difference]: With dead ends: 1422 [2024-11-07 09:24:35,973 INFO L226 Difference]: Without dead ends: 1033 [2024-11-07 09:24:35,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 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 09:24:35,977 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 927 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:35,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 1609 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 09:24:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-07 09:24:36,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 771. [2024-11-07 09:24:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 550 states have (on average 1.4363636363636363) internal successors, (790), 551 states have internal predecessors, (790), 216 states have call successors, (216), 4 states have call predecessors, (216), 4 states have return successors, (216), 215 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-07 09:24:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1222 transitions. [2024-11-07 09:24:36,064 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1222 transitions. Word has length 366 [2024-11-07 09:24:36,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:36,067 INFO L471 AbstractCegarLoop]: Abstraction has 771 states and 1222 transitions. [2024-11-07 09:24:36,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1222 transitions. [2024-11-07 09:24:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-07 09:24:36,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:36,070 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:36,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 09:24:36,070 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:36,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash -242125332, now seen corresponding path program 1 times [2024-11-07 09:24:36,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:36,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927270865] [2024-11-07 09:24:36,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:36,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:36,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:36,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927270865] [2024-11-07 09:24:36,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927270865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:36,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:36,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:24:36,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531296318] [2024-11-07 09:24:36,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:36,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:24:36,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:36,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:24:36,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:24:36,816 INFO L87 Difference]: Start difference. First operand 771 states and 1222 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:37,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:37,225 INFO L93 Difference]: Finished difference Result 2835 states and 4486 transitions. [2024-11-07 09:24:37,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:24:37,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 367 [2024-11-07 09:24:37,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:37,238 INFO L225 Difference]: With dead ends: 2835 [2024-11-07 09:24:37,238 INFO L226 Difference]: Without dead ends: 2067 [2024-11-07 09:24:37,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 115 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 09:24:37,242 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 667 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:37,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 919 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:24:37,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-07 09:24:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1619. [2024-11-07 09:24:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1234 states have (on average 1.46677471636953) internal successors, (1810), 1239 states have internal predecessors, (1810), 376 states have call successors, (376), 8 states have call predecessors, (376), 8 states have return successors, (376), 371 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-07 09:24:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2562 transitions. [2024-11-07 09:24:37,352 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2562 transitions. Word has length 367 [2024-11-07 09:24:37,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:37,353 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2562 transitions. [2024-11-07 09:24:37,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2562 transitions. [2024-11-07 09:24:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-07 09:24:37,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:37,356 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:37,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 09:24:37,356 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:37,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:37,357 INFO L85 PathProgramCache]: Analyzing trace with hash -723205590, now seen corresponding path program 1 times [2024-11-07 09:24:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:37,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251484124] [2024-11-07 09:24:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:37,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:37,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251484124] [2024-11-07 09:24:37,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251484124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:37,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:37,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:24:37,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675263007] [2024-11-07 09:24:37,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:37,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:24:37,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:37,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:24:37,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:24:37,895 INFO L87 Difference]: Start difference. First operand 1619 states and 2562 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:38,032 INFO L93 Difference]: Finished difference Result 4067 states and 6443 transitions. [2024-11-07 09:24:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:24:38,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 367 [2024-11-07 09:24:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:38,046 INFO L225 Difference]: With dead ends: 4067 [2024-11-07 09:24:38,046 INFO L226 Difference]: Without dead ends: 2451 [2024-11-07 09:24:38,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 09:24:38,051 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 214 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:38,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 779 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:24:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2024-11-07 09:24:38,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 2449. [2024-11-07 09:24:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1803 states have (on average 1.442595673876872) internal successors, (2601), 1810 states have internal predecessors, (2601), 632 states have call successors, (632), 13 states have call predecessors, (632), 13 states have return successors, (632), 625 states have call predecessors, (632), 632 states have call successors, (632) [2024-11-07 09:24:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3865 transitions. [2024-11-07 09:24:38,254 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3865 transitions. Word has length 367 [2024-11-07 09:24:38,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:38,254 INFO L471 AbstractCegarLoop]: Abstraction has 2449 states and 3865 transitions. [2024-11-07 09:24:38,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3865 transitions. [2024-11-07 09:24:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-07 09:24:38,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:38,258 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:38,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 09:24:38,258 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:38,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:38,258 INFO L85 PathProgramCache]: Analyzing trace with hash -927492285, now seen corresponding path program 1 times [2024-11-07 09:24:38,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:38,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145778663] [2024-11-07 09:24:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:38,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:38,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:38,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:38,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145778663] [2024-11-07 09:24:38,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145778663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:38,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:38,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:24:38,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920792733] [2024-11-07 09:24:38,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:38,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:24:38,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:38,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:24:38,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:24:38,709 INFO L87 Difference]: Start difference. First operand 2449 states and 3865 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:38,940 INFO L93 Difference]: Finished difference Result 6263 states and 9885 transitions. [2024-11-07 09:24:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:24:38,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 368 [2024-11-07 09:24:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:38,961 INFO L225 Difference]: With dead ends: 6263 [2024-11-07 09:24:38,961 INFO L226 Difference]: Without dead ends: 3885 [2024-11-07 09:24:38,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 09:24:38,969 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 196 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:38,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 733 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:24:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2024-11-07 09:24:39,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2024-11-07 09:24:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3883 states, 2853 states have (on average 1.4332281808622502) internal successors, (4089), 2865 states have internal predecessors, (4089), 1008 states have call successors, (1008), 21 states have call predecessors, (1008), 21 states have return successors, (1008), 996 states have call predecessors, (1008), 1008 states have call successors, (1008) [2024-11-07 09:24:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 6105 transitions. [2024-11-07 09:24:39,392 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 6105 transitions. Word has length 368 [2024-11-07 09:24:39,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:39,392 INFO L471 AbstractCegarLoop]: Abstraction has 3883 states and 6105 transitions. [2024-11-07 09:24:39,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 6105 transitions. [2024-11-07 09:24:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-07 09:24:39,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:39,396 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:39,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 09:24:39,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:39,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:39,396 INFO L85 PathProgramCache]: Analyzing trace with hash 135217386, now seen corresponding path program 1 times [2024-11-07 09:24:39,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:39,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284159278] [2024-11-07 09:24:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:39,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-07 09:24:40,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:40,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284159278] [2024-11-07 09:24:40,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284159278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:24:40,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631054371] [2024-11-07 09:24:40,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:40,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:24:40,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:24:40,391 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 09:24:40,393 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 09:24:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:40,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 09:24:40,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:24:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 1329 proven. 18 refuted. 0 times theorem prover too weak. 4813 trivial. 0 not checked. [2024-11-07 09:24:40,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:24:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-07 09:24:41,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631054371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:24:41,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:24:41,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-07 09:24:41,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389627827] [2024-11-07 09:24:41,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:24:41,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 09:24:41,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:41,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 09:24:41,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 09:24:41,059 INFO L87 Difference]: Start difference. First operand 3883 states and 6105 transitions. Second operand has 12 states, 12 states have (on average 13.5) internal successors, (162), 12 states have internal predecessors, (162), 3 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (119), 3 states have call predecessors, (119), 3 states have call successors, (119) [2024-11-07 09:24:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:42,595 INFO L93 Difference]: Finished difference Result 8134 states and 12711 transitions. [2024-11-07 09:24:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 09:24:42,596 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.5) internal successors, (162), 12 states have internal predecessors, (162), 3 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (119), 3 states have call predecessors, (119), 3 states have call successors, (119) Word has length 368 [2024-11-07 09:24:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:42,619 INFO L225 Difference]: With dead ends: 8134 [2024-11-07 09:24:42,619 INFO L226 Difference]: Without dead ends: 4208 [2024-11-07 09:24:42,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 848 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2024-11-07 09:24:42,631 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 1032 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:42,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1851 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 09:24:42,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2024-11-07 09:24:42,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 3421. [2024-11-07 09:24:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 2595 states have (on average 1.4354527938342967) internal successors, (3725), 2602 states have internal predecessors, (3725), 784 states have call successors, (784), 41 states have call predecessors, (784), 41 states have return successors, (784), 777 states have call predecessors, (784), 784 states have call successors, (784) [2024-11-07 09:24:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 5293 transitions. [2024-11-07 09:24:42,921 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 5293 transitions. Word has length 368 [2024-11-07 09:24:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:42,922 INFO L471 AbstractCegarLoop]: Abstraction has 3421 states and 5293 transitions. [2024-11-07 09:24:42,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.5) internal successors, (162), 12 states have internal predecessors, (162), 3 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (119), 3 states have call predecessors, (119), 3 states have call successors, (119) [2024-11-07 09:24:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 5293 transitions. [2024-11-07 09:24:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-07 09:24:42,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:42,926 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:42,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 09:24:43,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:24:43,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:43,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1653746121, now seen corresponding path program 1 times [2024-11-07 09:24:43,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:43,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561052703] [2024-11-07 09:24:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:43,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 42 proven. 123 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-07 09:24:44,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:44,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561052703] [2024-11-07 09:24:44,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561052703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:24:44,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647245899] [2024-11-07 09:24:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:44,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:24:44,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:24:44,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:24:44,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 09:24:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:44,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 09:24:44,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:24:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2905 proven. 267 refuted. 0 times theorem prover too weak. 2988 trivial. 0 not checked. [2024-11-07 09:24:45,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:24:46,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647245899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:24:46,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 09:24:46,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 18 [2024-11-07 09:24:46,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499952383] [2024-11-07 09:24:46,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 09:24:46,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 09:24:46,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 09:24:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=425, Unknown=4, NotChecked=0, Total=506 [2024-11-07 09:24:46,326 INFO L87 Difference]: Start difference. First operand 3421 states and 5293 transitions. Second operand has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 7 states have call successors, (109), 4 states have call predecessors, (109), 6 states have return successors, (110), 6 states have call predecessors, (110), 7 states have call successors, (110) [2024-11-07 09:24:49,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:49,799 INFO L93 Difference]: Finished difference Result 12480 states and 18554 transitions. [2024-11-07 09:24:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-07 09:24:49,800 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 7 states have call successors, (109), 4 states have call predecessors, (109), 6 states have return successors, (110), 6 states have call predecessors, (110), 7 states have call successors, (110) Word has length 369 [2024-11-07 09:24:49,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:49,840 INFO L225 Difference]: With dead ends: 12480 [2024-11-07 09:24:49,840 INFO L226 Difference]: Without dead ends: 9134 [2024-11-07 09:24:49,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 839 GetRequests, 760 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1805 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1231, Invalid=5245, Unknown=4, NotChecked=0, Total=6480 [2024-11-07 09:24:49,852 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 2055 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:49,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 1631 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 09:24:49,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9134 states. [2024-11-07 09:24:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9134 to 5948. [2024-11-07 09:24:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5948 states, 4965 states have (on average 1.4300100704934542) internal successors, (7100), 4987 states have internal predecessors, (7100), 814 states have call successors, (814), 168 states have call predecessors, (814), 168 states have return successors, (814), 792 states have call predecessors, (814), 814 states have call successors, (814) [2024-11-07 09:24:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5948 states to 5948 states and 8728 transitions. [2024-11-07 09:24:50,353 INFO L78 Accepts]: Start accepts. Automaton has 5948 states and 8728 transitions. Word has length 369 [2024-11-07 09:24:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:50,353 INFO L471 AbstractCegarLoop]: Abstraction has 5948 states and 8728 transitions. [2024-11-07 09:24:50,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 7 states have call successors, (109), 4 states have call predecessors, (109), 6 states have return successors, (110), 6 states have call predecessors, (110), 7 states have call successors, (110) [2024-11-07 09:24:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5948 states and 8728 transitions. [2024-11-07 09:24:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-07 09:24:50,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:50,356 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:50,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 09:24:50,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:24:50,558 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:50,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:50,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2083951521, now seen corresponding path program 1 times [2024-11-07 09:24:50,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:50,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875417400] [2024-11-07 09:24:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:50,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 81 proven. 243 refuted. 0 times theorem prover too weak. 5836 trivial. 0 not checked. [2024-11-07 09:24:51,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:51,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875417400] [2024-11-07 09:24:51,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875417400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:24:51,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243022950] [2024-11-07 09:24:51,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:51,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:24:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:24:51,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:24:51,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 09:24:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:51,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 09:24:51,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:24:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3744 proven. 432 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 09:24:53,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:24:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 192 proven. 450 refuted. 0 times theorem prover too weak. 5518 trivial. 0 not checked. [2024-11-07 09:24:54,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243022950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:24:54,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:24:54,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 31 [2024-11-07 09:24:54,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772894819] [2024-11-07 09:24:54,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:24:54,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-07 09:24:54,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:54,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-07 09:24:54,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=654, Unknown=0, NotChecked=0, Total=930 [2024-11-07 09:24:54,291 INFO L87 Difference]: Start difference. First operand 5948 states and 8728 transitions. Second operand has 31 states, 30 states have (on average 7.2) internal successors, (216), 29 states have internal predecessors, (216), 11 states have call successors, (162), 5 states have call predecessors, (162), 12 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) [2024-11-07 09:24:56,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:56,122 INFO L93 Difference]: Finished difference Result 19775 states and 29158 transitions. [2024-11-07 09:24:56,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 09:24:56,123 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.2) internal successors, (216), 29 states have internal predecessors, (216), 11 states have call successors, (162), 5 states have call predecessors, (162), 12 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) Word has length 370 [2024-11-07 09:24:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:56,163 INFO L225 Difference]: With dead ends: 19775 [2024-11-07 09:24:56,163 INFO L226 Difference]: Without dead ends: 13930 [2024-11-07 09:24:56,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 833 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=672, Invalid=1398, Unknown=0, NotChecked=0, Total=2070 [2024-11-07 09:24:56,175 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 2190 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:56,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 1300 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 09:24:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2024-11-07 09:24:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 7809. [2024-11-07 09:24:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7809 states, 6794 states have (on average 1.4375919929349426) internal successors, (9767), 6816 states have internal predecessors, (9767), 814 states have call successors, (814), 200 states have call predecessors, (814), 200 states have return successors, (814), 792 states have call predecessors, (814), 814 states have call successors, (814) [2024-11-07 09:24:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7809 states to 7809 states and 11395 transitions. [2024-11-07 09:24:56,718 INFO L78 Accepts]: Start accepts. Automaton has 7809 states and 11395 transitions. Word has length 370 [2024-11-07 09:24:56,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:56,718 INFO L471 AbstractCegarLoop]: Abstraction has 7809 states and 11395 transitions. [2024-11-07 09:24:56,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.2) internal successors, (216), 29 states have internal predecessors, (216), 11 states have call successors, (162), 5 states have call predecessors, (162), 12 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) [2024-11-07 09:24:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 7809 states and 11395 transitions. [2024-11-07 09:24:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-07 09:24:56,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:56,724 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:56,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 09:24:56,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:24:56,929 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:56,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:56,929 INFO L85 PathProgramCache]: Analyzing trace with hash 139820451, now seen corresponding path program 1 times [2024-11-07 09:24:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685917671] [2024-11-07 09:24:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:56,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:57,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:57,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685917671] [2024-11-07 09:24:57,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685917671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:57,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:24:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271589221] [2024-11-07 09:24:57,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:57,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:24:57,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:57,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:24:57,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:24:57,323 INFO L87 Difference]: Start difference. First operand 7809 states and 11395 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:57,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:57,827 INFO L93 Difference]: Finished difference Result 17285 states and 25347 transitions. [2024-11-07 09:24:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:24:57,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 371 [2024-11-07 09:24:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:57,852 INFO L225 Difference]: With dead ends: 17285 [2024-11-07 09:24:57,852 INFO L226 Difference]: Without dead ends: 9587 [2024-11-07 09:24:57,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 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 09:24:57,864 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 342 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:57,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1038 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 09:24:57,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9587 states. [2024-11-07 09:24:58,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9587 to 7828. [2024-11-07 09:24:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7828 states, 6813 states have (on average 1.4373990899750477) internal successors, (9793), 6835 states have internal predecessors, (9793), 814 states have call successors, (814), 200 states have call predecessors, (814), 200 states have return successors, (814), 792 states have call predecessors, (814), 814 states have call successors, (814) [2024-11-07 09:24:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7828 states to 7828 states and 11421 transitions. [2024-11-07 09:24:58,376 INFO L78 Accepts]: Start accepts. Automaton has 7828 states and 11421 transitions. Word has length 371 [2024-11-07 09:24:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:24:58,377 INFO L471 AbstractCegarLoop]: Abstraction has 7828 states and 11421 transitions. [2024-11-07 09:24:58,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-07 09:24:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7828 states and 11421 transitions. [2024-11-07 09:24:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-07 09:24:58,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:24:58,382 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:24:58,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 09:24:58,382 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:24:58,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:24:58,383 INFO L85 PathProgramCache]: Analyzing trace with hash 124301733, now seen corresponding path program 1 times [2024-11-07 09:24:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:24:58,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831800412] [2024-11-07 09:24:58,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:24:58,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:24:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:24:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:24:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:24:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:24:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:24:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:24:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:24:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:24:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:24:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:24:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:24:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:24:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:24:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:24:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:24:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:24:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:24:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:24:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:24:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:24:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:24:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:24:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:24:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:24:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:24:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:24:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:24:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:24:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:24:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:24:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:24:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:24:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:24:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:24:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:24:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:24:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:24:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:24:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:24:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:24:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:24:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:24:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:24:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:24:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:24:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:24:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:24:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:24:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:24:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:24:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:24:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:24:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:24:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:24:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:24:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:24:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:24:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-07 09:24:58,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:24:58,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831800412] [2024-11-07 09:24:58,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831800412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:24:58,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:24:58,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:24:58,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890217573] [2024-11-07 09:24:58,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:24:58,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:24:58,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:24:58,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:24:58,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:24:58,762 INFO L87 Difference]: Start difference. First operand 7828 states and 11421 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-07 09:24:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:24:59,671 INFO L93 Difference]: Finished difference Result 20214 states and 29567 transitions. [2024-11-07 09:24:59,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:24:59,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 371 [2024-11-07 09:24:59,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:24:59,703 INFO L225 Difference]: With dead ends: 20214 [2024-11-07 09:24:59,703 INFO L226 Difference]: Without dead ends: 14929 [2024-11-07 09:24:59,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 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 09:24:59,710 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 326 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:24:59,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 898 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 09:24:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14929 states. [2024-11-07 09:25:00,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14929 to 14791. [2024-11-07 09:25:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14791 states, 12813 states have (on average 1.4367439319441193) internal successors, (18409), 12856 states have internal predecessors, (18409), 1588 states have call successors, (1588), 389 states have call predecessors, (1588), 389 states have return successors, (1588), 1545 states have call predecessors, (1588), 1588 states have call successors, (1588) [2024-11-07 09:25:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14791 states to 14791 states and 21585 transitions. [2024-11-07 09:25:00,456 INFO L78 Accepts]: Start accepts. Automaton has 14791 states and 21585 transitions. Word has length 371 [2024-11-07 09:25:00,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:25:00,456 INFO L471 AbstractCegarLoop]: Abstraction has 14791 states and 21585 transitions. [2024-11-07 09:25:00,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-07 09:25:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 14791 states and 21585 transitions. [2024-11-07 09:25:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-07 09:25:00,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:25:00,461 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:00,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 09:25:00,461 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:25:00,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:25:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1380614714, now seen corresponding path program 1 times [2024-11-07 09:25:00,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:25:00,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237117293] [2024-11-07 09:25:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:25:00,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:25:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:25:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:25:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:25:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:25:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:25:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:25:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:25:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:25:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:25:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:25:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:25:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:25:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:25:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:25:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:25:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:25:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:25:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:25:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:25:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:25:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:25:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:25:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:25:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:25:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:25:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:25:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:25:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:25:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:25:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:25:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:25:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:25:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:25:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:25:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:25:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:25:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:25:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:25:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:25:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:25:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:25:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:25:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:25:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:25:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:25:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:25:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:25:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:25:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:25:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:25:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:25:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:25:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:25:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:25:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:25:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:25:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-07 09:25:01,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:25:01,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237117293] [2024-11-07 09:25:01,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237117293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:25:01,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392357571] [2024-11-07 09:25:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:25:01,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:25:01,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:25:01,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:25:01,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 09:25:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:01,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 09:25:01,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:25:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2295 proven. 666 refuted. 0 times theorem prover too weak. 3199 trivial. 0 not checked. [2024-11-07 09:25:04,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:25:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 84 proven. 243 refuted. 0 times theorem prover too weak. 5833 trivial. 0 not checked. [2024-11-07 09:25:06,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392357571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:25:06,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:25:06,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 22, 13] total 39 [2024-11-07 09:25:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024042179] [2024-11-07 09:25:06,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:25:06,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-07 09:25:06,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:25:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-07 09:25:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1199, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 09:25:06,469 INFO L87 Difference]: Start difference. First operand 14791 states and 21585 transitions. Second operand has 39 states, 38 states have (on average 6.7894736842105265) internal successors, (258), 36 states have internal predecessors, (258), 12 states have call successors, (162), 6 states have call predecessors, (162), 11 states have return successors, (163), 13 states have call predecessors, (163), 12 states have call successors, (163) [2024-11-07 09:25:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:25:19,331 INFO L93 Difference]: Finished difference Result 71923 states and 102424 transitions. [2024-11-07 09:25:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-11-07 09:25:19,332 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 6.7894736842105265) internal successors, (258), 36 states have internal predecessors, (258), 12 states have call successors, (162), 6 states have call predecessors, (162), 11 states have return successors, (163), 13 states have call predecessors, (163), 12 states have call successors, (163) Word has length 371 [2024-11-07 09:25:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:25:19,445 INFO L225 Difference]: With dead ends: 71923 [2024-11-07 09:25:19,445 INFO L226 Difference]: Without dead ends: 57243 [2024-11-07 09:25:19,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12963 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=6864, Invalid=29426, Unknown=0, NotChecked=0, Total=36290 [2024-11-07 09:25:19,477 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 4320 mSDsluCounter, 4433 mSDsCounter, 0 mSdLazyCounter, 5931 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4322 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 6881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 5931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-07 09:25:19,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4322 Valid, 4857 Invalid, 6881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 5931 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-07 09:25:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57243 states. [2024-11-07 09:25:22,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57243 to 23425. [2024-11-07 09:25:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23425 states, 19489 states have (on average 1.4062804659038433) internal successors, (27407), 19562 states have internal predecessors, (27407), 3076 states have call successors, (3076), 859 states have call predecessors, (3076), 859 states have return successors, (3076), 3003 states have call predecessors, (3076), 3076 states have call successors, (3076) [2024-11-07 09:25:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23425 states to 23425 states and 33559 transitions. [2024-11-07 09:25:22,359 INFO L78 Accepts]: Start accepts. Automaton has 23425 states and 33559 transitions. Word has length 371 [2024-11-07 09:25:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:25:22,360 INFO L471 AbstractCegarLoop]: Abstraction has 23425 states and 33559 transitions. [2024-11-07 09:25:22,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 6.7894736842105265) internal successors, (258), 36 states have internal predecessors, (258), 12 states have call successors, (162), 6 states have call predecessors, (162), 11 states have return successors, (163), 13 states have call predecessors, (163), 12 states have call successors, (163) [2024-11-07 09:25:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 23425 states and 33559 transitions. [2024-11-07 09:25:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-07 09:25:22,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:25:22,445 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:22,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 09:25:22,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 09:25:22,646 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:25:22,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:25:22,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1579615686, now seen corresponding path program 1 times [2024-11-07 09:25:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:25:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965951931] [2024-11-07 09:25:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:25:22,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:25:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:25:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:25:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:25:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:25:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:25:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:25:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:25:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 09:25:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 09:25:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 09:25:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 09:25:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:25:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:25:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 09:25:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 09:25:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 09:25:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 09:25:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 09:25:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 09:25:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 09:25:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 09:25:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:25:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 09:25:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 09:25:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 09:25:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:25:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:25:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:25:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:25:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:25:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:25:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:25:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:25:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 09:25:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:25:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 09:25:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:25:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:25:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:25:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 09:25:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:25:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 09:25:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:25:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:25:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 09:25:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:25:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 09:25:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:25:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 09:25:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:25:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 09:25:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:25:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 09:25:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:25:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 09:25:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:25:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-07 09:25:23,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:25:23,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965951931] [2024-11-07 09:25:23,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965951931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:25:23,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804578479] [2024-11-07 09:25:23,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:25:23,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:25:23,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:25:23,549 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:25:23,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 09:25:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:25:23,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 09:25:23,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:25:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2433 proven. 519 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2024-11-07 09:25:25,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:25:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 105 proven. 381 refuted. 0 times theorem prover too weak. 5674 trivial. 0 not checked. [2024-11-07 09:25:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804578479] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:25:26,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:25:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 20, 17] total 44 [2024-11-07 09:25:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249449761] [2024-11-07 09:25:26,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:25:26,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-07 09:25:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:25:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-07 09:25:26,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1624, Unknown=0, NotChecked=0, Total=1892 [2024-11-07 09:25:26,951 INFO L87 Difference]: Start difference. First operand 23425 states and 33559 transitions. Second operand has 44 states, 43 states have (on average 6.1395348837209305) internal successors, (264), 42 states have internal predecessors, (264), 11 states have call successors, (161), 5 states have call predecessors, (161), 11 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) [2024-11-07 09:25:46,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:25:46,125 INFO L93 Difference]: Finished difference Result 54737 states and 76019 transitions. [2024-11-07 09:25:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-11-07 09:25:46,126 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 6.1395348837209305) internal successors, (264), 42 states have internal predecessors, (264), 11 states have call successors, (161), 5 states have call predecessors, (161), 11 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) Word has length 371 [2024-11-07 09:25:46,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:25:46,238 INFO L225 Difference]: With dead ends: 54737 [2024-11-07 09:25:46,239 INFO L226 Difference]: Without dead ends: 46783 [2024-11-07 09:25:46,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20457 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=9444, Invalid=46488, Unknown=0, NotChecked=0, Total=55932 [2024-11-07 09:25:46,269 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 5493 mSDsluCounter, 4280 mSDsCounter, 0 mSdLazyCounter, 5516 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5493 SdHoareTripleChecker+Valid, 4546 SdHoareTripleChecker+Invalid, 6466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 5516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:25:46,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5493 Valid, 4546 Invalid, 6466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 5516 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-07 09:25:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46783 states. [2024-11-07 09:25:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46783 to 14703. [2024-11-07 09:25:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14703 states, 12753 states have (on average 1.4398964949423665) internal successors, (18363), 12766 states have internal predecessors, (18363), 1528 states have call successors, (1528), 421 states have call predecessors, (1528), 421 states have return successors, (1528), 1515 states have call predecessors, (1528), 1528 states have call successors, (1528) [2024-11-07 09:25:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14703 states to 14703 states and 21419 transitions. [2024-11-07 09:25:48,053 INFO L78 Accepts]: Start accepts. Automaton has 14703 states and 21419 transitions. Word has length 371 [2024-11-07 09:25:48,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:25:48,054 INFO L471 AbstractCegarLoop]: Abstraction has 14703 states and 21419 transitions. [2024-11-07 09:25:48,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 6.1395348837209305) internal successors, (264), 42 states have internal predecessors, (264), 11 states have call successors, (161), 5 states have call predecessors, (161), 11 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) [2024-11-07 09:25:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 14703 states and 21419 transitions. [2024-11-07 09:25:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-07 09:25:48,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:25:48,059 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:48,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 09:25:48,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 09:25:48,260 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:25:48,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:25:48,260 INFO L85 PathProgramCache]: Analyzing trace with hash 558547332, now seen corresponding path program 1 times [2024-11-07 09:25:48,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:25:48,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906306953] [2024-11-07 09:25:48,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:25:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms