./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3'] 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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:01:41,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:01:41,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:01:42,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:01:42,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:01:42,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:01:42,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:01:42,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:01:42,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:01:42,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:01:42,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:01:42,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:01:42,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:01:42,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:01:42,023 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:01:42,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:01:42,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:01:42,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:01:42,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:01:42,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:01:42,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:01:42,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:01:42,025 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 -> 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 [2024-11-07 00:01:42,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:01:42,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:01:42,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:01:42,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:01:42,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:01:42,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-07 00:01:43,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:01:43,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:01:43,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-07 00:01:43,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ed991d0a/438b095903354a18aa7518f4534424ce/FLAG6f15acbee [2024-11-07 00:01:43,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8ed991d0a/438b095903354a18aa7518f4534424ce [2024-11-07 00:01:43,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:01:43,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:01:43,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:01:43,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:01:43,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:01:43,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:43" (1/1) ... [2024-11-07 00:01:43,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b0368b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:43, skipping insertion in model container [2024-11-07 00:01:43,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:43" (1/1) ... [2024-11-07 00:01:43,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:01:44,035 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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2024-11-07 00:01:44,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:01:44,045 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:01:44,105 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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2024-11-07 00:01:44,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:01:44,124 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:01:44,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44 WrapperNode [2024-11-07 00:01:44,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:01:44,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:01:44,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:01:44,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:01:44,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,185 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 421 [2024-11-07 00:01:44,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:01:44,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:01:44,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:01:44,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:01:44,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,232 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 00:01:44,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:01:44,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:01:44,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:01:44,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:01:44,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (1/1) ... [2024-11-07 00:01:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:01:44,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:44,314 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 00:01:44,320 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 00:01:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:01:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:01:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:01:44,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:01:44,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:01:44,953 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-07 00:01:44,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:01:44,968 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:01:44,968 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 00:01:44,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:01:44 BoogieIcfgContainer [2024-11-07 00:01:44,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:01:44,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:01:44,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:01:44,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:01:44,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:01:43" (1/3) ... [2024-11-07 00:01:44,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7a6b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:01:44, skipping insertion in model container [2024-11-07 00:01:44,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:44" (2/3) ... [2024-11-07 00:01:44,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7a6b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:01:44, skipping insertion in model container [2024-11-07 00:01:44,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:01:44" (3/3) ... [2024-11-07 00:01:44,979 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-07 00:01:44,990 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:01:44,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:01:45,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:01:45,072 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;@5a2ad549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:01:45,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:01:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 134 states have (on average 1.5895522388059702) internal successors, (213), 139 states have internal predecessors, (213), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 00:01:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 00:01:45,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:45,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:45,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:45,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:45,087 INFO L85 PathProgramCache]: Analyzing trace with hash -107767738, now seen corresponding path program 1 times [2024-11-07 00:01:45,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:45,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962627679] [2024-11-07 00:01:45,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:45,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:45,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:45,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962627679] [2024-11-07 00:01:45,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962627679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:45,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:45,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:45,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649198460] [2024-11-07 00:01:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:45,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:45,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:45,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:45,415 INFO L87 Difference]: Start difference. First operand has 179 states, 134 states have (on average 1.5895522388059702) internal successors, (213), 139 states have internal predecessors, (213), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:01:45,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:45,507 INFO L93 Difference]: Finished difference Result 357 states and 612 transitions. [2024-11-07 00:01:45,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:45,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 00:01:45,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:45,519 INFO L225 Difference]: With dead ends: 357 [2024-11-07 00:01:45,519 INFO L226 Difference]: Without dead ends: 181 [2024-11-07 00:01:45,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 00:01:45,530 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 7 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:45,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 809 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-07 00:01:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-07 00:01:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 136 states have (on average 1.5588235294117647) internal successors, (212), 140 states have internal predecessors, (212), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 00:01:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 286 transitions. [2024-11-07 00:01:45,578 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 286 transitions. Word has length 15 [2024-11-07 00:01:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:45,579 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 286 transitions. [2024-11-07 00:01:45,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:01:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 286 transitions. [2024-11-07 00:01:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 00:01:45,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:45,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:45,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:01:45,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:45,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:45,581 INFO L85 PathProgramCache]: Analyzing trace with hash -415563581, now seen corresponding path program 1 times [2024-11-07 00:01:45,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:45,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232166413] [2024-11-07 00:01:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:45,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:45,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:45,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232166413] [2024-11-07 00:01:45,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232166413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:45,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:45,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639852214] [2024-11-07 00:01:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:45,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:45,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:45,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:45,710 INFO L87 Difference]: Start difference. First operand 181 states and 286 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:01:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:45,785 INFO L93 Difference]: Finished difference Result 375 states and 595 transitions. [2024-11-07 00:01:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:45,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-07 00:01:45,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:45,790 INFO L225 Difference]: With dead ends: 375 [2024-11-07 00:01:45,791 INFO L226 Difference]: Without dead ends: 197 [2024-11-07 00:01:45,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 00:01:45,793 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 25 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:45,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 825 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-07 00:01:45,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2024-11-07 00:01:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 147 states have (on average 1.5374149659863945) internal successors, (226), 151 states have internal predecessors, (226), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 00:01:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 302 transitions. [2024-11-07 00:01:45,825 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 302 transitions. Word has length 16 [2024-11-07 00:01:45,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:45,826 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 302 transitions. [2024-11-07 00:01:45,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:01:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 302 transitions. [2024-11-07 00:01:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 00:01:45,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:45,829 INFO L215 NwaCegarLoop]: trace histogram [2, 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 00:01:45,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:01:45,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:45,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:45,830 INFO L85 PathProgramCache]: Analyzing trace with hash 411459519, now seen corresponding path program 1 times [2024-11-07 00:01:45,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:45,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331693601] [2024-11-07 00:01:45,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:45,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:45,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:45,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331693601] [2024-11-07 00:01:45,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331693601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:45,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:45,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:01:45,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838189539] [2024-11-07 00:01:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:45,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:01:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:01:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:01:45,970 INFO L87 Difference]: Start difference. First operand 194 states and 302 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 00:01:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:46,003 INFO L93 Difference]: Finished difference Result 407 states and 641 transitions. [2024-11-07 00:01:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:01:46,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-07 00:01:46,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:46,005 INFO L225 Difference]: With dead ends: 407 [2024-11-07 00:01:46,005 INFO L226 Difference]: Without dead ends: 223 [2024-11-07 00:01:46,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 00:01:46,007 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 22 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:46,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 558 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:46,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-07 00:01:46,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 196. [2024-11-07 00:01:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 149 states have (on average 1.5302013422818792) internal successors, (228), 153 states have internal predecessors, (228), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 00:01:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 304 transitions. [2024-11-07 00:01:46,026 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 304 transitions. Word has length 24 [2024-11-07 00:01:46,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:46,026 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 304 transitions. [2024-11-07 00:01:46,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 00:01:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2024-11-07 00:01:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 00:01:46,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:46,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 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 00:01:46,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:01:46,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:46,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:46,028 INFO L85 PathProgramCache]: Analyzing trace with hash 488098158, now seen corresponding path program 1 times [2024-11-07 00:01:46,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:46,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076966914] [2024-11-07 00:01:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:46,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076966914] [2024-11-07 00:01:46,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076966914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:46,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:46,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:01:46,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369216360] [2024-11-07 00:01:46,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:46,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:01:46,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:46,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:01:46,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:46,180 INFO L87 Difference]: Start difference. First operand 196 states and 304 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 00:01:46,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:46,228 INFO L93 Difference]: Finished difference Result 382 states and 597 transitions. [2024-11-07 00:01:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:46,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-07 00:01:46,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:46,235 INFO L225 Difference]: With dead ends: 382 [2024-11-07 00:01:46,235 INFO L226 Difference]: Without dead ends: 202 [2024-11-07 00:01:46,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:46,240 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 0 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:46,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1102 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:46,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-07 00:01:46,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 200. [2024-11-07 00:01:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.519736842105263) internal successors, (231), 156 states have internal predecessors, (231), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-07 00:01:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 308 transitions. [2024-11-07 00:01:46,264 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 308 transitions. Word has length 32 [2024-11-07 00:01:46,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:46,264 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 308 transitions. [2024-11-07 00:01:46,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 00:01:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2024-11-07 00:01:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 00:01:46,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:46,267 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:46,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:01:46,267 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:46,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:46,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1989928926, now seen corresponding path program 1 times [2024-11-07 00:01:46,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:46,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925173394] [2024-11-07 00:01:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:46,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 00:01:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:46,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:46,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925173394] [2024-11-07 00:01:46,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925173394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:46,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:46,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:01:46,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19365497] [2024-11-07 00:01:46,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:46,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:01:46,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:46,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:01:46,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:01:46,405 INFO L87 Difference]: Start difference. First operand 200 states and 308 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 00:01:46,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:46,489 INFO L93 Difference]: Finished difference Result 345 states and 538 transitions. [2024-11-07 00:01:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:01:46,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-07 00:01:46,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:46,491 INFO L225 Difference]: With dead ends: 345 [2024-11-07 00:01:46,491 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 00:01:46,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:01:46,492 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 0 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:46,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1340 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:01:46,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 00:01:46,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-07 00:01:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 149 states have (on average 1.4966442953020134) internal successors, (223), 153 states have internal predecessors, (223), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 00:01:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 299 transitions. [2024-11-07 00:01:46,505 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 299 transitions. Word has length 35 [2024-11-07 00:01:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:46,505 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 299 transitions. [2024-11-07 00:01:46,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 00:01:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 299 transitions. [2024-11-07 00:01:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 00:01:46,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:46,506 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 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 00:01:46,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:01:46,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:46,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:46,507 INFO L85 PathProgramCache]: Analyzing trace with hash -580786706, now seen corresponding path program 1 times [2024-11-07 00:01:46,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:46,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914076844] [2024-11-07 00:01:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:46,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:46,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:46,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914076844] [2024-11-07 00:01:46,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914076844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:46,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916730851] [2024-11-07 00:01:46,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:46,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:46,611 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 00:01:46,613 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 00:01:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:46,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 00:01:46,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:46,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:01:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:46,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916730851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:01:46,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:01:46,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-07 00:01:46,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140256970] [2024-11-07 00:01:46,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:01:46,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:01:46,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:01:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:46,801 INFO L87 Difference]: Start difference. First operand 196 states and 299 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 00:01:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:46,845 INFO L93 Difference]: Finished difference Result 440 states and 685 transitions. [2024-11-07 00:01:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:46,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2024-11-07 00:01:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:46,848 INFO L225 Difference]: With dead ends: 440 [2024-11-07 00:01:46,850 INFO L226 Difference]: Without dead ends: 255 [2024-11-07 00:01:46,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:46,852 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 71 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:46,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 821 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:46,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-07 00:01:46,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-11-07 00:01:46,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 192 states have (on average 1.46875) internal successors, (282), 196 states have internal predecessors, (282), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 00:01:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 378 transitions. [2024-11-07 00:01:46,873 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 378 transitions. Word has length 35 [2024-11-07 00:01:46,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:46,874 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 378 transitions. [2024-11-07 00:01:46,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 00:01:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 378 transitions. [2024-11-07 00:01:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 00:01:46,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:46,877 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:46,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 00:01:47,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:47,078 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:47,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash -339598002, now seen corresponding path program 2 times [2024-11-07 00:01:47,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:47,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839106423] [2024-11-07 00:01:47,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:47,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 00:01:47,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:47,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839106423] [2024-11-07 00:01:47,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839106423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:47,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:47,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:47,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047842963] [2024-11-07 00:01:47,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:47,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:47,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:47,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:47,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:47,197 INFO L87 Difference]: Start difference. First operand 249 states and 378 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 00:01:47,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:47,244 INFO L93 Difference]: Finished difference Result 476 states and 740 transitions. [2024-11-07 00:01:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:47,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2024-11-07 00:01:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:47,248 INFO L225 Difference]: With dead ends: 476 [2024-11-07 00:01:47,248 INFO L226 Difference]: Without dead ends: 256 [2024-11-07 00:01:47,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 00:01:47,250 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 8 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:47,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 799 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:47,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-07 00:01:47,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-07 00:01:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 198 states have (on average 1.4646464646464648) internal successors, (290), 202 states have internal predecessors, (290), 48 states have call successors, (48), 9 states have call predecessors, (48), 9 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 00:01:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 386 transitions. [2024-11-07 00:01:47,261 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 386 transitions. Word has length 57 [2024-11-07 00:01:47,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:47,261 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 386 transitions. [2024-11-07 00:01:47,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 00:01:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 386 transitions. [2024-11-07 00:01:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 00:01:47,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:47,262 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:47,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:01:47,263 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:47,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:47,263 INFO L85 PathProgramCache]: Analyzing trace with hash -286908003, now seen corresponding path program 1 times [2024-11-07 00:01:47,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:47,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048742807] [2024-11-07 00:01:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:47,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 00:01:47,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:47,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048742807] [2024-11-07 00:01:47,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048742807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:47,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:47,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:47,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863340111] [2024-11-07 00:01:47,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:47,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:47,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:47,341 INFO L87 Difference]: Start difference. First operand 256 states and 386 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 00:01:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:47,387 INFO L93 Difference]: Finished difference Result 522 states and 798 transitions. [2024-11-07 00:01:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:47,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2024-11-07 00:01:47,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:47,392 INFO L225 Difference]: With dead ends: 522 [2024-11-07 00:01:47,392 INFO L226 Difference]: Without dead ends: 295 [2024-11-07 00:01:47,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 00:01:47,393 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 24 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:47,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 817 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:47,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-07 00:01:47,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 292. [2024-11-07 00:01:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 230 states have (on average 1.4217391304347826) internal successors, (327), 234 states have internal predecessors, (327), 51 states have call successors, (51), 10 states have call predecessors, (51), 10 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-07 00:01:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 429 transitions. [2024-11-07 00:01:47,406 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 429 transitions. Word has length 57 [2024-11-07 00:01:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:47,406 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 429 transitions. [2024-11-07 00:01:47,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 00:01:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 429 transitions. [2024-11-07 00:01:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 00:01:47,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:47,408 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 00:01:47,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:01:47,408 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:47,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:47,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1978052109, now seen corresponding path program 1 times [2024-11-07 00:01:47,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:47,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115762847] [2024-11-07 00:01:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-07 00:01:47,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:47,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115762847] [2024-11-07 00:01:47,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115762847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:47,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:47,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:01:47,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930760817] [2024-11-07 00:01:47,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:47,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:01:47,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:01:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:47,543 INFO L87 Difference]: Start difference. First operand 292 states and 429 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 00:01:47,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:47,575 INFO L93 Difference]: Finished difference Result 533 states and 797 transitions. [2024-11-07 00:01:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:47,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 75 [2024-11-07 00:01:47,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:47,580 INFO L225 Difference]: With dead ends: 533 [2024-11-07 00:01:47,581 INFO L226 Difference]: Without dead ends: 294 [2024-11-07 00:01:47,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:47,582 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:47,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1089 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-07 00:01:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 292. [2024-11-07 00:01:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 230 states have (on average 1.4086956521739131) internal successors, (324), 234 states have internal predecessors, (324), 51 states have call successors, (51), 10 states have call predecessors, (51), 10 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-07 00:01:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 426 transitions. [2024-11-07 00:01:47,604 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 426 transitions. Word has length 75 [2024-11-07 00:01:47,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:47,606 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 426 transitions. [2024-11-07 00:01:47,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 00:01:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 426 transitions. [2024-11-07 00:01:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 00:01:47,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:47,608 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:47,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:01:47,608 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:47,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:47,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1751572537, now seen corresponding path program 1 times [2024-11-07 00:01:47,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:47,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881079880] [2024-11-07 00:01:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:47,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-07 00:01:47,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:47,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881079880] [2024-11-07 00:01:47,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881079880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:47,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:47,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:47,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664879947] [2024-11-07 00:01:47,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:47,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:47,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:47,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:47,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:47,757 INFO L87 Difference]: Start difference. First operand 292 states and 426 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 00:01:47,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:47,804 INFO L93 Difference]: Finished difference Result 570 states and 853 transitions. [2024-11-07 00:01:47,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:47,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 104 [2024-11-07 00:01:47,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:47,807 INFO L225 Difference]: With dead ends: 570 [2024-11-07 00:01:47,807 INFO L226 Difference]: Without dead ends: 336 [2024-11-07 00:01:47,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 00:01:47,809 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 25 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:47,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 817 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-07 00:01:47,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 333. [2024-11-07 00:01:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 267 states have (on average 1.3707865168539326) internal successors, (366), 271 states have internal predecessors, (366), 54 states have call successors, (54), 11 states have call predecessors, (54), 11 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 00:01:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 474 transitions. [2024-11-07 00:01:47,825 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 474 transitions. Word has length 104 [2024-11-07 00:01:47,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:47,826 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 474 transitions. [2024-11-07 00:01:47,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 00:01:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 474 transitions. [2024-11-07 00:01:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-07 00:01:47,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:47,827 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:01:47,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:01:47,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:47,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1739109354, now seen corresponding path program 1 times [2024-11-07 00:01:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:47,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598612850] [2024-11-07 00:01:47,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:47,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-07 00:01:47,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:47,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598612850] [2024-11-07 00:01:47,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598612850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:47,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:47,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:47,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598168534] [2024-11-07 00:01:47,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:47,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:47,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:47,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:47,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:47,918 INFO L87 Difference]: Start difference. First operand 333 states and 474 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 00:01:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:47,962 INFO L93 Difference]: Finished difference Result 596 states and 873 transitions. [2024-11-07 00:01:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:47,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 105 [2024-11-07 00:01:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:47,965 INFO L225 Difference]: With dead ends: 596 [2024-11-07 00:01:47,965 INFO L226 Difference]: Without dead ends: 327 [2024-11-07 00:01:47,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 00:01:47,967 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 9 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:47,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 782 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:47,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-07 00:01:47,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-07 00:01:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.3511450381679388) internal successors, (354), 266 states have internal predecessors, (354), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-07 00:01:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 460 transitions. [2024-11-07 00:01:47,989 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 460 transitions. Word has length 105 [2024-11-07 00:01:47,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:47,990 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 460 transitions. [2024-11-07 00:01:47,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 00:01:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 460 transitions. [2024-11-07 00:01:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 00:01:47,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:47,991 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:47,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 00:01:47,991 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:47,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2025790761, now seen corresponding path program 1 times [2024-11-07 00:01:47,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:47,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227582469] [2024-11-07 00:01:47,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:47,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-07 00:01:48,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:48,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227582469] [2024-11-07 00:01:48,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227582469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:48,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:48,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:01:48,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375710177] [2024-11-07 00:01:48,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:48,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:01:48,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:01:48,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:48,139 INFO L87 Difference]: Start difference. First operand 327 states and 460 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 00:01:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:48,169 INFO L93 Difference]: Finished difference Result 571 states and 822 transitions. [2024-11-07 00:01:48,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:48,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 124 [2024-11-07 00:01:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:48,172 INFO L225 Difference]: With dead ends: 571 [2024-11-07 00:01:48,172 INFO L226 Difference]: Without dead ends: 329 [2024-11-07 00:01:48,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:48,173 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 0 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:48,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1073 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:48,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-07 00:01:48,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2024-11-07 00:01:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.3396946564885497) internal successors, (351), 266 states have internal predecessors, (351), 53 states have call successors, (53), 11 states have call predecessors, (53), 11 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-07 00:01:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 457 transitions. [2024-11-07 00:01:48,189 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 457 transitions. Word has length 124 [2024-11-07 00:01:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:48,190 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 457 transitions. [2024-11-07 00:01:48,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 00:01:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 457 transitions. [2024-11-07 00:01:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 00:01:48,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:48,192 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 00:01:48,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 00:01:48,192 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:48,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1066526319, now seen corresponding path program 1 times [2024-11-07 00:01:48,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:48,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240035247] [2024-11-07 00:01:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:48,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2024-11-07 00:01:48,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:48,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240035247] [2024-11-07 00:01:48,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240035247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:48,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:48,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:48,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965638052] [2024-11-07 00:01:48,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:48,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:48,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:48,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:48,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:48,324 INFO L87 Difference]: Start difference. First operand 327 states and 457 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 00:01:48,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:48,374 INFO L93 Difference]: Finished difference Result 534 states and 782 transitions. [2024-11-07 00:01:48,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:48,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 157 [2024-11-07 00:01:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:48,377 INFO L225 Difference]: With dead ends: 534 [2024-11-07 00:01:48,377 INFO L226 Difference]: Without dead ends: 325 [2024-11-07 00:01:48,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 00:01:48,378 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 7 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:48,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 750 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:48,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-07 00:01:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-11-07 00:01:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 261 states have (on average 1.3371647509578544) internal successors, (349), 265 states have internal predecessors, (349), 52 states have call successors, (52), 11 states have call predecessors, (52), 11 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 00:01:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 453 transitions. [2024-11-07 00:01:48,393 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 453 transitions. Word has length 157 [2024-11-07 00:01:48,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:48,393 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 453 transitions. [2024-11-07 00:01:48,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 00:01:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 453 transitions. [2024-11-07 00:01:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 00:01:48,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:48,396 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:48,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 00:01:48,396 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:48,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:48,396 INFO L85 PathProgramCache]: Analyzing trace with hash 361836827, now seen corresponding path program 1 times [2024-11-07 00:01:48,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:48,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243788316] [2024-11-07 00:01:48,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:48,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 00:01:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-11-07 00:01:48,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:48,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243788316] [2024-11-07 00:01:48,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243788316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:48,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:48,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:48,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159155667] [2024-11-07 00:01:48,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:48,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:48,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:48,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:48,561 INFO L87 Difference]: Start difference. First operand 325 states and 453 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 00:01:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:48,618 INFO L93 Difference]: Finished difference Result 474 states and 678 transitions. [2024-11-07 00:01:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:48,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 176 [2024-11-07 00:01:48,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:48,621 INFO L225 Difference]: With dead ends: 474 [2024-11-07 00:01:48,621 INFO L226 Difference]: Without dead ends: 308 [2024-11-07 00:01:48,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 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 00:01:48,622 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 35 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:48,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 726 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:48,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-07 00:01:48,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-07 00:01:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 247 states have (on average 1.3279352226720649) internal successors, (328), 251 states have internal predecessors, (328), 49 states have call successors, (49), 11 states have call predecessors, (49), 11 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-07 00:01:48,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 426 transitions. [2024-11-07 00:01:48,638 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 426 transitions. Word has length 176 [2024-11-07 00:01:48,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:48,639 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 426 transitions. [2024-11-07 00:01:48,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 00:01:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 426 transitions. [2024-11-07 00:01:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 00:01:48,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:48,641 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:48,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 00:01:48,641 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:48,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash 858060976, now seen corresponding path program 1 times [2024-11-07 00:01:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:48,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698652984] [2024-11-07 00:01:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 00:01:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-07 00:01:48,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:48,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698652984] [2024-11-07 00:01:48,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698652984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:48,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:48,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:48,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468659000] [2024-11-07 00:01:48,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:48,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:48,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:48,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:48,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:48,823 INFO L87 Difference]: Start difference. First operand 308 states and 426 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 00:01:48,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:48,867 INFO L93 Difference]: Finished difference Result 457 states and 651 transitions. [2024-11-07 00:01:48,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:48,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 178 [2024-11-07 00:01:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:48,870 INFO L225 Difference]: With dead ends: 457 [2024-11-07 00:01:48,870 INFO L226 Difference]: Without dead ends: 289 [2024-11-07 00:01:48,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 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 00:01:48,871 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 30 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:48,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 730 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:48,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-07 00:01:48,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-07 00:01:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 231 states have (on average 1.3203463203463204) internal successors, (305), 235 states have internal predecessors, (305), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 00:01:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 397 transitions. [2024-11-07 00:01:48,881 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 397 transitions. Word has length 178 [2024-11-07 00:01:48,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:48,882 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 397 transitions. [2024-11-07 00:01:48,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 00:01:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 397 transitions. [2024-11-07 00:01:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 00:01:48,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:48,884 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:48,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 00:01:48,884 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:48,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:48,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1007699281, now seen corresponding path program 1 times [2024-11-07 00:01:48,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:48,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976443059] [2024-11-07 00:01:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:48,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 00:01:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2024-11-07 00:01:49,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:49,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976443059] [2024-11-07 00:01:49,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976443059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:49,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:49,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:01:49,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49718715] [2024-11-07 00:01:49,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:49,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:01:49,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:49,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:01:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:49,012 INFO L87 Difference]: Start difference. First operand 289 states and 397 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 00:01:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:49,036 INFO L93 Difference]: Finished difference Result 437 states and 621 transitions. [2024-11-07 00:01:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:49,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 179 [2024-11-07 00:01:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:49,039 INFO L225 Difference]: With dead ends: 437 [2024-11-07 00:01:49,039 INFO L226 Difference]: Without dead ends: 289 [2024-11-07 00:01:49,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:49,040 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 0 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:49,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1051 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:49,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-07 00:01:49,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-07 00:01:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 231 states have (on average 1.2943722943722944) internal successors, (299), 235 states have internal predecessors, (299), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 00:01:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 391 transitions. [2024-11-07 00:01:49,052 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 391 transitions. Word has length 179 [2024-11-07 00:01:49,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:49,052 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 391 transitions. [2024-11-07 00:01:49,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 00:01:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 391 transitions. [2024-11-07 00:01:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 00:01:49,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:49,054 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:49,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 00:01:49,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:49,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:49,054 INFO L85 PathProgramCache]: Analyzing trace with hash -194963710, now seen corresponding path program 1 times [2024-11-07 00:01:49,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:49,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164093690] [2024-11-07 00:01:49,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:49,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 00:01:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-07 00:01:49,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:49,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164093690] [2024-11-07 00:01:49,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164093690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:49,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821127982] [2024-11-07 00:01:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:49,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:49,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:49,194 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 00:01:49,196 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 00:01:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 00:01:49,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-07 00:01:49,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:01:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-07 00:01:49,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821127982] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:49,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 00:01:49,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 5 [2024-11-07 00:01:49,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296515967] [2024-11-07 00:01:49,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:49,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:49,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:49,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:49,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:49,518 INFO L87 Difference]: Start difference. First operand 289 states and 391 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 00:01:49,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:49,559 INFO L93 Difference]: Finished difference Result 458 states and 643 transitions. [2024-11-07 00:01:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:49,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 186 [2024-11-07 00:01:49,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:49,562 INFO L225 Difference]: With dead ends: 458 [2024-11-07 00:01:49,562 INFO L226 Difference]: Without dead ends: 268 [2024-11-07 00:01:49,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 398 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 00:01:49,563 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 20 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:49,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 729 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-07 00:01:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-11-07 00:01:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 213 states have (on average 1.2863849765258215) internal successors, (274), 217 states have internal predecessors, (274), 43 states have call successors, (43), 11 states have call predecessors, (43), 11 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 00:01:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 360 transitions. [2024-11-07 00:01:49,577 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 360 transitions. Word has length 186 [2024-11-07 00:01:49,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:49,577 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 360 transitions. [2024-11-07 00:01:49,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 00:01:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 360 transitions. [2024-11-07 00:01:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 00:01:49,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:49,579 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:49,601 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 00:01:49,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 00:01:49,780 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:49,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1374831435, now seen corresponding path program 1 times [2024-11-07 00:01:49,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:49,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819003670] [2024-11-07 00:01:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:49,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-07 00:01:49,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:49,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819003670] [2024-11-07 00:01:49,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819003670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:49,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:49,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:49,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918319873] [2024-11-07 00:01:49,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:49,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:49,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:49,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:49,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:49,925 INFO L87 Difference]: Start difference. First operand 268 states and 360 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 00:01:49,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:49,963 INFO L93 Difference]: Finished difference Result 413 states and 581 transitions. [2024-11-07 00:01:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:49,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 210 [2024-11-07 00:01:49,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:49,965 INFO L225 Difference]: With dead ends: 413 [2024-11-07 00:01:49,965 INFO L226 Difference]: Without dead ends: 272 [2024-11-07 00:01:49,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 00:01:49,966 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 3 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:49,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 770 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:49,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-07 00:01:49,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-07 00:01:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 216 states have (on average 1.2824074074074074) internal successors, (277), 220 states have internal predecessors, (277), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 00:01:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2024-11-07 00:01:49,981 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 210 [2024-11-07 00:01:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:49,981 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2024-11-07 00:01:49,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-07 00:01:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2024-11-07 00:01:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-07 00:01:49,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:49,983 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:49,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 00:01:49,983 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:49,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:49,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1760989206, now seen corresponding path program 1 times [2024-11-07 00:01:49,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:49,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190403012] [2024-11-07 00:01:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-07 00:01:50,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190403012] [2024-11-07 00:01:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190403012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738375677] [2024-11-07 00:01:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:50,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:50,181 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 00:01:50,182 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 00:01:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 00:01:50,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-07 00:01:50,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:01:50,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738375677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:50,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:01:50,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-07 00:01:50,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360280197] [2024-11-07 00:01:50,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:50,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:50,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:50,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:50,357 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 00:01:50,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:50,387 INFO L93 Difference]: Finished difference Result 422 states and 589 transitions. [2024-11-07 00:01:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:50,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 217 [2024-11-07 00:01:50,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:50,390 INFO L225 Difference]: With dead ends: 422 [2024-11-07 00:01:50,390 INFO L226 Difference]: Without dead ends: 277 [2024-11-07 00:01:50,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:01:50,390 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 4 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:50,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 772 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:50,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-07 00:01:50,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-07 00:01:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 220 states have (on average 1.2772727272727273) internal successors, (281), 224 states have internal predecessors, (281), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 00:01:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2024-11-07 00:01:50,401 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 217 [2024-11-07 00:01:50,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:50,403 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2024-11-07 00:01:50,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 00:01:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2024-11-07 00:01:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 00:01:50,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:50,405 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:50,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 00:01:50,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:50,606 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:50,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:50,606 INFO L85 PathProgramCache]: Analyzing trace with hash 155068678, now seen corresponding path program 1 times [2024-11-07 00:01:50,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:50,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643981823] [2024-11-07 00:01:50,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-11-07 00:01:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643981823] [2024-11-07 00:01:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643981823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050471960] [2024-11-07 00:01:50,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:50,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:50,775 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 00:01:50,776 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 00:01:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:50,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 00:01:50,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-11-07 00:01:50,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:01:50,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050471960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:50,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:01:50,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-07 00:01:50,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907681439] [2024-11-07 00:01:50,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:50,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:50,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:50,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:50,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:50,967 INFO L87 Difference]: Start difference. First operand 277 states and 367 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-07 00:01:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:50,999 INFO L93 Difference]: Finished difference Result 426 states and 589 transitions. [2024-11-07 00:01:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:51,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 225 [2024-11-07 00:01:51,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:51,003 INFO L225 Difference]: With dead ends: 426 [2024-11-07 00:01:51,003 INFO L226 Difference]: Without dead ends: 276 [2024-11-07 00:01:51,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:01:51,005 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 5 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:51,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 762 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:51,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-07 00:01:51,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-11-07 00:01:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 220 states have (on average 1.2636363636363637) internal successors, (278), 223 states have internal predecessors, (278), 42 states have call successors, (42), 13 states have call predecessors, (42), 13 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 00:01:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 362 transitions. [2024-11-07 00:01:51,019 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 362 transitions. Word has length 225 [2024-11-07 00:01:51,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:51,020 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 362 transitions. [2024-11-07 00:01:51,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-07 00:01:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 362 transitions. [2024-11-07 00:01:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-07 00:01:51,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:51,022 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:51,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 00:01:51,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:51,223 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:51,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:51,223 INFO L85 PathProgramCache]: Analyzing trace with hash -201325626, now seen corresponding path program 1 times [2024-11-07 00:01:51,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:51,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235466196] [2024-11-07 00:01:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2024-11-07 00:01:51,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:51,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235466196] [2024-11-07 00:01:51,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235466196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:51,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:51,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:51,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386989608] [2024-11-07 00:01:51,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:51,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:51,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:51,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:51,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:51,419 INFO L87 Difference]: Start difference. First operand 276 states and 362 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 00:01:51,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:51,662 INFO L93 Difference]: Finished difference Result 424 states and 578 transitions. [2024-11-07 00:01:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:01:51,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 233 [2024-11-07 00:01:51,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:51,665 INFO L225 Difference]: With dead ends: 424 [2024-11-07 00:01:51,666 INFO L226 Difference]: Without dead ends: 275 [2024-11-07 00:01:51,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:51,668 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 62 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:51,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 479 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:01:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-07 00:01:51,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-07 00:01:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 220 states have (on average 1.259090909090909) internal successors, (277), 222 states have internal predecessors, (277), 41 states have call successors, (41), 13 states have call predecessors, (41), 13 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-07 00:01:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 359 transitions. [2024-11-07 00:01:51,688 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 359 transitions. Word has length 233 [2024-11-07 00:01:51,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:51,688 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 359 transitions. [2024-11-07 00:01:51,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 00:01:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 359 transitions. [2024-11-07 00:01:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-07 00:01:51,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:51,690 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:51,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 00:01:51,690 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:51,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:51,691 INFO L85 PathProgramCache]: Analyzing trace with hash -861189707, now seen corresponding path program 1 times [2024-11-07 00:01:51,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:51,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928485644] [2024-11-07 00:01:51,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:51,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2024-11-07 00:01:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:51,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928485644] [2024-11-07 00:01:51,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928485644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:51,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:51,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:01:51,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822341429] [2024-11-07 00:01:51,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:51,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:01:51,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:51,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:01:51,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:01:51,960 INFO L87 Difference]: Start difference. First operand 275 states and 359 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 00:01:52,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:52,444 INFO L93 Difference]: Finished difference Result 636 states and 859 transitions. [2024-11-07 00:01:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:01:52,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 235 [2024-11-07 00:01:52,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:52,448 INFO L225 Difference]: With dead ends: 636 [2024-11-07 00:01:52,448 INFO L226 Difference]: Without dead ends: 488 [2024-11-07 00:01:52,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:01:52,450 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 425 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:52,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 621 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:01:52,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-07 00:01:52,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 482. [2024-11-07 00:01:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 380 states have (on average 1.3105263157894738) internal successors, (498), 382 states have internal predecessors, (498), 70 states have call successors, (70), 31 states have call predecessors, (70), 31 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-07 00:01:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 638 transitions. [2024-11-07 00:01:52,482 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 638 transitions. Word has length 235 [2024-11-07 00:01:52,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:52,483 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 638 transitions. [2024-11-07 00:01:52,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 00:01:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 638 transitions. [2024-11-07 00:01:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-07 00:01:52,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:52,485 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:52,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 00:01:52,486 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:52,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:52,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1829748786, now seen corresponding path program 1 times [2024-11-07 00:01:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:52,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081714271] [2024-11-07 00:01:52,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:52,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 00:01:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 00:01:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 00:01:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 00:01:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-07 00:01:52,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081714271] [2024-11-07 00:01:52,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081714271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:52,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:52,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:52,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878005913] [2024-11-07 00:01:52,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:52,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:52,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:52,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:52,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:52,668 INFO L87 Difference]: Start difference. First operand 482 states and 638 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-07 00:01:53,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:53,074 INFO L93 Difference]: Finished difference Result 1055 states and 1448 transitions. [2024-11-07 00:01:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:53,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 267 [2024-11-07 00:01:53,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:53,079 INFO L225 Difference]: With dead ends: 1055 [2024-11-07 00:01:53,079 INFO L226 Difference]: Without dead ends: 772 [2024-11-07 00:01:53,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 00:01:53,080 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 225 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:53,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 475 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:01:53,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-11-07 00:01:53,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 603. [2024-11-07 00:01:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 476 states have (on average 1.319327731092437) internal successors, (628), 482 states have internal predecessors, (628), 85 states have call successors, (85), 41 states have call predecessors, (85), 41 states have return successors, (85), 81 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 00:01:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 798 transitions. [2024-11-07 00:01:53,122 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 798 transitions. Word has length 267 [2024-11-07 00:01:53,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:53,123 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 798 transitions. [2024-11-07 00:01:53,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-07 00:01:53,123 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 798 transitions. [2024-11-07 00:01:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-07 00:01:53,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:53,125 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:53,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 00:01:53,125 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:53,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:53,126 INFO L85 PathProgramCache]: Analyzing trace with hash 764579000, now seen corresponding path program 1 times [2024-11-07 00:01:53,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:53,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751000980] [2024-11-07 00:01:53,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:53,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 00:01:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 00:01:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 00:01:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 00:01:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-07 00:01:53,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:53,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751000980] [2024-11-07 00:01:53,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751000980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:53,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:53,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:53,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500397554] [2024-11-07 00:01:53,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:53,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:53,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:53,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:53,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:53,268 INFO L87 Difference]: Start difference. First operand 603 states and 798 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-07 00:01:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:53,661 INFO L93 Difference]: Finished difference Result 1335 states and 1818 transitions. [2024-11-07 00:01:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:53,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 268 [2024-11-07 00:01:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:53,666 INFO L225 Difference]: With dead ends: 1335 [2024-11-07 00:01:53,667 INFO L226 Difference]: Without dead ends: 964 [2024-11-07 00:01:53,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 00:01:53,668 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 226 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:53,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 503 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:01:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-07 00:01:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 956. [2024-11-07 00:01:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 749 states have (on average 1.3471295060080106) internal successors, (1009), 763 states have internal predecessors, (1009), 139 states have call successors, (139), 67 states have call predecessors, (139), 67 states have return successors, (139), 129 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-07 00:01:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1287 transitions. [2024-11-07 00:01:53,732 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1287 transitions. Word has length 268 [2024-11-07 00:01:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:53,732 INFO L471 AbstractCegarLoop]: Abstraction has 956 states and 1287 transitions. [2024-11-07 00:01:53,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-07 00:01:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1287 transitions. [2024-11-07 00:01:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-07 00:01:53,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:53,735 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:53,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 00:01:53,736 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:53,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:53,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1029346611, now seen corresponding path program 1 times [2024-11-07 00:01:53,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:53,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012876313] [2024-11-07 00:01:53,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:53,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:01:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:01:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 00:01:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 00:01:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-07 00:01:53,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:53,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012876313] [2024-11-07 00:01:53,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012876313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:53,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:53,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:01:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977298863] [2024-11-07 00:01:53,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:53,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:53,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:53,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:53,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:01:53,878 INFO L87 Difference]: Start difference. First operand 956 states and 1287 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 00:01:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:54,289 INFO L93 Difference]: Finished difference Result 2232 states and 3081 transitions. [2024-11-07 00:01:54,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:54,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 269 [2024-11-07 00:01:54,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:54,298 INFO L225 Difference]: With dead ends: 2232 [2024-11-07 00:01:54,298 INFO L226 Difference]: Without dead ends: 1548 [2024-11-07 00:01:54,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 00:01:54,300 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 226 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:54,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 530 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:01:54,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2024-11-07 00:01:54,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1534. [2024-11-07 00:01:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1195 states have (on average 1.3732217573221757) internal successors, (1641), 1223 states have internal predecessors, (1641), 231 states have call successors, (231), 107 states have call predecessors, (231), 107 states have return successors, (231), 211 states have call predecessors, (231), 231 states have call successors, (231) [2024-11-07 00:01:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2103 transitions. [2024-11-07 00:01:54,400 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2103 transitions. Word has length 269 [2024-11-07 00:01:54,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:54,401 INFO L471 AbstractCegarLoop]: Abstraction has 1534 states and 2103 transitions. [2024-11-07 00:01:54,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 00:01:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2103 transitions. [2024-11-07 00:01:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-07 00:01:54,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:54,405 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:54,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 00:01:54,405 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:54,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:54,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1423713397, now seen corresponding path program 1 times [2024-11-07 00:01:54,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:54,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727916668] [2024-11-07 00:01:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:01:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:01:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 00:01:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 00:01:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-11-07 00:01:54,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727916668] [2024-11-07 00:01:54,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727916668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967981810] [2024-11-07 00:01:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:54,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:54,670 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 00:01:54,672 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 00:01:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:54,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 00:01:54,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2024-11-07 00:01:54,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:01:54,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967981810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:54,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:01:54,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-07 00:01:54,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997232558] [2024-11-07 00:01:54,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:54,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:54,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:54,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:54,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 00:01:54,876 INFO L87 Difference]: Start difference. First operand 1534 states and 2103 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 00:01:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:55,029 INFO L93 Difference]: Finished difference Result 2836 states and 3946 transitions. [2024-11-07 00:01:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:55,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 269 [2024-11-07 00:01:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:55,039 INFO L225 Difference]: With dead ends: 2836 [2024-11-07 00:01:55,039 INFO L226 Difference]: Without dead ends: 1534 [2024-11-07 00:01:55,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:01:55,043 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 31 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:55,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 697 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:55,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-11-07 00:01:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2024-11-07 00:01:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1195 states have (on average 1.3531380753138076) internal successors, (1617), 1223 states have internal predecessors, (1617), 231 states have call successors, (231), 107 states have call predecessors, (231), 107 states have return successors, (231), 211 states have call predecessors, (231), 231 states have call successors, (231) [2024-11-07 00:01:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2079 transitions. [2024-11-07 00:01:55,161 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2079 transitions. Word has length 269 [2024-11-07 00:01:55,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:55,161 INFO L471 AbstractCegarLoop]: Abstraction has 1534 states and 2079 transitions. [2024-11-07 00:01:55,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 00:01:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2079 transitions. [2024-11-07 00:01:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 00:01:55,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:55,164 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:55,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 00:01:55,364 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,SelfDestructingSolverStorable25 [2024-11-07 00:01:55,365 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:55,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1511978298, now seen corresponding path program 1 times [2024-11-07 00:01:55,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:55,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050283826] [2024-11-07 00:01:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:01:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:01:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:01:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 00:01:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2024-11-07 00:01:55,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:55,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050283826] [2024-11-07 00:01:55,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050283826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:55,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747561995] [2024-11-07 00:01:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:55,577 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:01:55,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 00:01:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:55,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 00:01:55,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-11-07 00:01:55,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:01:55,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747561995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:55,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:01:55,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-07 00:01:55,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377948391] [2024-11-07 00:01:55,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:55,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:01:55,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:55,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:01:55,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 00:01:55,812 INFO L87 Difference]: Start difference. First operand 1534 states and 2079 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, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 00:01:55,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:55,927 INFO L93 Difference]: Finished difference Result 2836 states and 3890 transitions. [2024-11-07 00:01:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:01:55,927 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, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 270 [2024-11-07 00:01:55,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:55,939 INFO L225 Difference]: With dead ends: 2836 [2024-11-07 00:01:55,939 INFO L226 Difference]: Without dead ends: 1582 [2024-11-07 00:01:55,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:01:55,942 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 7 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:55,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 705 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:01:55,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-07 00:01:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1582. [2024-11-07 00:01:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1235 states have (on average 1.3546558704453442) internal successors, (1673), 1263 states have internal predecessors, (1673), 231 states have call successors, (231), 115 states have call predecessors, (231), 115 states have return successors, (231), 211 states have call predecessors, (231), 231 states have call successors, (231) [2024-11-07 00:01:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2135 transitions. [2024-11-07 00:01:56,034 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2135 transitions. Word has length 270 [2024-11-07 00:01:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:56,035 INFO L471 AbstractCegarLoop]: Abstraction has 1582 states and 2135 transitions. [2024-11-07 00:01:56,035 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, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 00:01:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2135 transitions. [2024-11-07 00:01:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 00:01:56,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:56,037 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:56,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 00:01:56,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 00:01:56,242 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:56,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:56,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2096741989, now seen corresponding path program 1 times [2024-11-07 00:01:56,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:56,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787116873] [2024-11-07 00:01:56,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:01:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:01:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:01:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:01:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-07 00:01:56,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:56,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787116873] [2024-11-07 00:01:56,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787116873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:56,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:56,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:01:56,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064217293] [2024-11-07 00:01:56,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:56,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:01:56,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:56,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:01:56,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:01:56,589 INFO L87 Difference]: Start difference. First operand 1582 states and 2135 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 00:01:57,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:57,111 INFO L93 Difference]: Finished difference Result 2420 states and 3498 transitions. [2024-11-07 00:01:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:01:57,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 271 [2024-11-07 00:01:57,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:57,124 INFO L225 Difference]: With dead ends: 2420 [2024-11-07 00:01:57,124 INFO L226 Difference]: Without dead ends: 2418 [2024-11-07 00:01:57,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 00:01:57,125 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 183 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:57,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1550 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:01:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2024-11-07 00:01:57,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 1630. [2024-11-07 00:01:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1267 states have (on average 1.345698500394633) internal successors, (1705), 1303 states have internal predecessors, (1705), 239 states have call successors, (239), 123 states have call predecessors, (239), 123 states have return successors, (239), 211 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-07 00:01:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2183 transitions. [2024-11-07 00:01:57,239 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2183 transitions. Word has length 271 [2024-11-07 00:01:57,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:57,240 INFO L471 AbstractCegarLoop]: Abstraction has 1630 states and 2183 transitions. [2024-11-07 00:01:57,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-07 00:01:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2183 transitions. [2024-11-07 00:01:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-07 00:01:57,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:57,243 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:57,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 00:01:57,243 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:57,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:57,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1752313374, now seen corresponding path program 1 times [2024-11-07 00:01:57,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:57,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329031667] [2024-11-07 00:01:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:57,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:01:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:01:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:01:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:01:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:01:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:01:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:01:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:01:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:01:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:01:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:01:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:01:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:01:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:01:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:01:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:01:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:01:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:01:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:01:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:01:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:01:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:01:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 00:01:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 142 proven. 27 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-07 00:01:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:57,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329031667] [2024-11-07 00:01:57,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329031667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:01:57,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057099383] [2024-11-07 00:01:57,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:57,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:01:57,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:01:57,574 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:01:57,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 00:01:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:57,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 00:01:57,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:01:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 251 proven. 37 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-07 00:01:57,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:01:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 146 proven. 23 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-07 00:01:58,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057099383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:01:58,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:01:58,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 19 [2024-11-07 00:01:58,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824369601] [2024-11-07 00:01:58,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:01:58,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 00:01:58,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:58,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 00:01:58,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:01:58,223 INFO L87 Difference]: Start difference. First operand 1630 states and 2183 transitions. Second operand has 19 states, 19 states have (on average 8.0) internal successors, (152), 14 states have internal predecessors, (152), 5 states have call successors, (32), 5 states have call predecessors, (32), 9 states have return successors, (31), 8 states have call predecessors, (31), 5 states have call successors, (31) [2024-11-07 00:01:59,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:59,658 INFO L93 Difference]: Finished difference Result 4010 states and 5568 transitions. [2024-11-07 00:01:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 00:01:59,658 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 14 states have internal predecessors, (152), 5 states have call successors, (32), 5 states have call predecessors, (32), 9 states have return successors, (31), 8 states have call predecessors, (31), 5 states have call successors, (31) Word has length 279 [2024-11-07 00:01:59,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:59,672 INFO L225 Difference]: With dead ends: 4010 [2024-11-07 00:01:59,672 INFO L226 Difference]: Without dead ends: 2660 [2024-11-07 00:01:59,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 603 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=1014, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 00:01:59,679 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 336 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:59,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 2484 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 00:01:59,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2024-11-07 00:01:59,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2424. [2024-11-07 00:01:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2424 states, 1878 states have (on average 1.334398296059638) internal successors, (2506), 1930 states have internal predecessors, (2506), 356 states have call successors, (356), 183 states have call predecessors, (356), 189 states have return successors, (364), 318 states have call predecessors, (364), 356 states have call successors, (364) [2024-11-07 00:01:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3226 transitions. [2024-11-07 00:01:59,826 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3226 transitions. Word has length 279 [2024-11-07 00:01:59,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:59,827 INFO L471 AbstractCegarLoop]: Abstraction has 2424 states and 3226 transitions. [2024-11-07 00:01:59,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 14 states have internal predecessors, (152), 5 states have call successors, (32), 5 states have call predecessors, (32), 9 states have return successors, (31), 8 states have call predecessors, (31), 5 states have call successors, (31) [2024-11-07 00:01:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3226 transitions. [2024-11-07 00:01:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-07 00:01:59,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:59,830 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:59,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 00:02:00,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:00,031 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:00,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash -790699357, now seen corresponding path program 1 times [2024-11-07 00:02:00,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:00,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821814267] [2024-11-07 00:02:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 00:02:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-07 00:02:00,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:00,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821814267] [2024-11-07 00:02:00,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821814267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:00,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934119093] [2024-11-07 00:02:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:00,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:00,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:02:00,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 00:02:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 00:02:00,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-11-07 00:02:00,383 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:02:00,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934119093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:00,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:02:00,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-07 00:02:00,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173782419] [2024-11-07 00:02:00,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:00,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:02:00,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:00,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:02:00,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:02:00,385 INFO L87 Difference]: Start difference. First operand 2424 states and 3226 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 00:02:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:00,514 INFO L93 Difference]: Finished difference Result 4681 states and 6328 transitions. [2024-11-07 00:02:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:02:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 279 [2024-11-07 00:02:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:00,525 INFO L225 Difference]: With dead ends: 4681 [2024-11-07 00:02:00,525 INFO L226 Difference]: Without dead ends: 2360 [2024-11-07 00:02:00,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:02:00,531 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 4 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:00,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 705 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:02:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2024-11-07 00:02:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2360. [2024-11-07 00:02:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 1834 states have (on average 1.317339149400218) internal successors, (2416), 1886 states have internal predecessors, (2416), 340 states have call successors, (340), 183 states have call predecessors, (340), 185 states have return successors, (344), 298 states have call predecessors, (344), 340 states have call successors, (344) [2024-11-07 00:02:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3100 transitions. [2024-11-07 00:02:00,674 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3100 transitions. Word has length 279 [2024-11-07 00:02:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:00,674 INFO L471 AbstractCegarLoop]: Abstraction has 2360 states and 3100 transitions. [2024-11-07 00:02:00,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 00:02:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3100 transitions. [2024-11-07 00:02:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-07 00:02:00,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:00,677 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:00,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 00:02:00,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:00,878 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:00,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:00,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1595526858, now seen corresponding path program 1 times [2024-11-07 00:02:00,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138333966] [2024-11-07 00:02:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:00,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:02:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 00:02:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 00:02:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 00:02:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 00:02:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 00:02:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 00:02:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 00:02:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 00:02:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 00:02:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 00:02:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 121 proven. 19 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-07 00:02:00,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:00,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138333966] [2024-11-07 00:02:00,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138333966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:01,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846703423] [2024-11-07 00:02:01,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:01,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:01,002 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:02:01,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 00:02:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 00:02:01,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-07 00:02:01,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:02:01,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846703423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:01,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:02:01,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-07 00:02:01,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447294586] [2024-11-07 00:02:01,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:01,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:02:01,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:01,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:02:01,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:02:01,174 INFO L87 Difference]: Start difference. First operand 2360 states and 3100 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 00:02:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:01,312 INFO L93 Difference]: Finished difference Result 4463 states and 5969 transitions. [2024-11-07 00:02:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:02:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 282 [2024-11-07 00:02:01,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:01,321 INFO L225 Difference]: With dead ends: 4463 [2024-11-07 00:02:01,321 INFO L226 Difference]: Without dead ends: 2188 [2024-11-07 00:02:01,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:02:01,326 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 4 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:01,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 733 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:02:01,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2024-11-07 00:02:01,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2024-11-07 00:02:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 1692 states have (on average 1.3114657210401892) internal successors, (2219), 1744 states have internal predecessors, (2219), 323 states have call successors, (323), 172 states have call predecessors, (323), 172 states have return successors, (323), 279 states have call predecessors, (323), 323 states have call successors, (323) [2024-11-07 00:02:01,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 2865 transitions. [2024-11-07 00:02:01,429 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 2865 transitions. Word has length 282 [2024-11-07 00:02:01,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:01,430 INFO L471 AbstractCegarLoop]: Abstraction has 2188 states and 2865 transitions. [2024-11-07 00:02:01,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 00:02:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2865 transitions. [2024-11-07 00:02:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-07 00:02:01,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:01,432 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 8, 8, 8, 7, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:01,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 00:02:01,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:01,633 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:01,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:01,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1129167005, now seen corresponding path program 1 times [2024-11-07 00:02:01,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:01,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920149597] [2024-11-07 00:02:01,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:01,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 00:02:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 00:02:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 00:02:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2024-11-07 00:02:01,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:01,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920149597] [2024-11-07 00:02:01,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920149597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:01,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007414455] [2024-11-07 00:02:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:01,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:01,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:01,953 INFO L229 MonitoredProcess]: Starting monitored process 11 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 00:02:01,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 00:02:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:02,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 00:02:02,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-07 00:02:02,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:02:02,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007414455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:02,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:02:02,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-11-07 00:02:02,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273993950] [2024-11-07 00:02:02,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:02,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 00:02:02,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:02,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 00:02:02,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:02:02,289 INFO L87 Difference]: Start difference. First operand 2188 states and 2865 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 00:02:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:02,958 INFO L93 Difference]: Finished difference Result 7090 states and 9251 transitions. [2024-11-07 00:02:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 00:02:02,958 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 294 [2024-11-07 00:02:02,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:02,975 INFO L225 Difference]: With dead ends: 7090 [2024-11-07 00:02:02,977 INFO L226 Difference]: Without dead ends: 5476 [2024-11-07 00:02:02,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2024-11-07 00:02:02,983 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 630 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:02,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 2877 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:02:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5476 states. [2024-11-07 00:02:03,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5476 to 5204. [2024-11-07 00:02:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 3985 states have (on average 1.297867001254705) internal successors, (5172), 4113 states have internal predecessors, (5172), 787 states have call successors, (787), 431 states have call predecessors, (787), 431 states have return successors, (787), 667 states have call predecessors, (787), 787 states have call successors, (787) [2024-11-07 00:02:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 6746 transitions. [2024-11-07 00:02:03,257 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 6746 transitions. Word has length 294 [2024-11-07 00:02:03,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:03,258 INFO L471 AbstractCegarLoop]: Abstraction has 5204 states and 6746 transitions. [2024-11-07 00:02:03,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 00:02:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 6746 transitions. [2024-11-07 00:02:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-07 00:02:03,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:03,260 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:03,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 00:02:03,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:03,464 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:03,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash -22107268, now seen corresponding path program 1 times [2024-11-07 00:02:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:03,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194487044] [2024-11-07 00:02:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 00:02:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:02:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 00:02:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 00:02:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2024-11-07 00:02:03,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:03,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194487044] [2024-11-07 00:02:03,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194487044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:03,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114621709] [2024-11-07 00:02:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:03,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:03,738 INFO L229 MonitoredProcess]: Starting monitored process 12 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 00:02:03,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 00:02:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:03,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 00:02:03,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2024-11-07 00:02:04,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:02:04,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114621709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:04,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:02:04,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 12 [2024-11-07 00:02:04,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876026526] [2024-11-07 00:02:04,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:04,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 00:02:04,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:04,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 00:02:04,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:02:04,028 INFO L87 Difference]: Start difference. First operand 5204 states and 6746 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 9 states have internal predecessors, (115), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 00:02:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:04,738 INFO L93 Difference]: Finished difference Result 10198 states and 13232 transitions. [2024-11-07 00:02:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 00:02:04,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 9 states have internal predecessors, (115), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 300 [2024-11-07 00:02:04,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:04,762 INFO L225 Difference]: With dead ends: 10198 [2024-11-07 00:02:04,762 INFO L226 Difference]: Without dead ends: 5476 [2024-11-07 00:02:04,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2024-11-07 00:02:04,770 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 616 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 2879 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:04,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 2879 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:02:04,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5476 states. [2024-11-07 00:02:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5476 to 5204. [2024-11-07 00:02:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 3985 states have (on average 1.2938519447929737) internal successors, (5156), 4113 states have internal predecessors, (5156), 787 states have call successors, (787), 431 states have call predecessors, (787), 431 states have return successors, (787), 667 states have call predecessors, (787), 787 states have call successors, (787) [2024-11-07 00:02:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 6730 transitions. [2024-11-07 00:02:05,088 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 6730 transitions. Word has length 300 [2024-11-07 00:02:05,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:05,089 INFO L471 AbstractCegarLoop]: Abstraction has 5204 states and 6730 transitions. [2024-11-07 00:02:05,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 9 states have internal predecessors, (115), 4 states have call successors, (20), 4 states have call predecessors, (20), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 00:02:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 6730 transitions. [2024-11-07 00:02:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-07 00:02:05,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:05,091 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:05,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 00:02:05,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-07 00:02:05,292 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:05,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:05,292 INFO L85 PathProgramCache]: Analyzing trace with hash 111906238, now seen corresponding path program 1 times [2024-11-07 00:02:05,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:05,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066769136] [2024-11-07 00:02:05,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 00:02:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:02:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 00:02:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 00:02:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2024-11-07 00:02:05,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066769136] [2024-11-07 00:02:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066769136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:05,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:02:05,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:02:05,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038389325] [2024-11-07 00:02:05,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:05,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:02:05,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:05,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:02:05,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:02:05,466 INFO L87 Difference]: Start difference. First operand 5204 states and 6730 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 5 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 00:02:05,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:05,895 INFO L93 Difference]: Finished difference Result 10082 states and 13223 transitions. [2024-11-07 00:02:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:02:05,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 5 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 300 [2024-11-07 00:02:05,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:05,916 INFO L225 Difference]: With dead ends: 10082 [2024-11-07 00:02:05,917 INFO L226 Difference]: Without dead ends: 5500 [2024-11-07 00:02:05,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:02:05,925 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 89 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:05,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 656 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:02:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2024-11-07 00:02:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 5496. [2024-11-07 00:02:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 4225 states have (on average 1.300828402366864) internal successors, (5496), 4353 states have internal predecessors, (5496), 839 states have call successors, (839), 431 states have call predecessors, (839), 431 states have return successors, (839), 719 states have call predecessors, (839), 839 states have call successors, (839) [2024-11-07 00:02:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7174 transitions. [2024-11-07 00:02:06,196 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7174 transitions. Word has length 300 [2024-11-07 00:02:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:06,197 INFO L471 AbstractCegarLoop]: Abstraction has 5496 states and 7174 transitions. [2024-11-07 00:02:06,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 5 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-07 00:02:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7174 transitions. [2024-11-07 00:02:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-07 00:02:06,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:06,199 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:06,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 00:02:06,200 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:06,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:06,200 INFO L85 PathProgramCache]: Analyzing trace with hash -909162116, now seen corresponding path program 1 times [2024-11-07 00:02:06,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:06,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414840675] [2024-11-07 00:02:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 00:02:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:02:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 00:02:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 00:02:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2024-11-07 00:02:06,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:06,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414840675] [2024-11-07 00:02:06,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414840675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:06,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719313566] [2024-11-07 00:02:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:06,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:06,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:06,543 INFO L229 MonitoredProcess]: Starting monitored process 13 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 00:02:06,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 00:02:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:06,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 00:02:06,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-07 00:02:06,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:02:06,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719313566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:06,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:02:06,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-07 00:02:06,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099386374] [2024-11-07 00:02:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:06,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 00:02:06,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:06,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 00:02:06,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:02:06,879 INFO L87 Difference]: Start difference. First operand 5496 states and 7174 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 00:02:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:07,490 INFO L93 Difference]: Finished difference Result 12616 states and 16464 transitions. [2024-11-07 00:02:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:02:07,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 300 [2024-11-07 00:02:07,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:07,521 INFO L225 Difference]: With dead ends: 12616 [2024-11-07 00:02:07,521 INFO L226 Difference]: Without dead ends: 7638 [2024-11-07 00:02:07,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2024-11-07 00:02:07,535 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 123 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:07,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1889 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:02:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7638 states. [2024-11-07 00:02:07,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7638 to 6640. [2024-11-07 00:02:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6640 states, 5101 states have (on average 1.295824348167026) internal successors, (6610), 5257 states have internal predecessors, (6610), 1015 states have call successors, (1015), 523 states have call predecessors, (1015), 523 states have return successors, (1015), 867 states have call predecessors, (1015), 1015 states have call successors, (1015) [2024-11-07 00:02:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6640 states to 6640 states and 8640 transitions. [2024-11-07 00:02:08,028 INFO L78 Accepts]: Start accepts. Automaton has 6640 states and 8640 transitions. Word has length 300 [2024-11-07 00:02:08,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:08,029 INFO L471 AbstractCegarLoop]: Abstraction has 6640 states and 8640 transitions. [2024-11-07 00:02:08,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 00:02:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 6640 states and 8640 transitions. [2024-11-07 00:02:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-07 00:02:08,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:08,032 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:08,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 00:02:08,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:08,233 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:08,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:08,234 INFO L85 PathProgramCache]: Analyzing trace with hash -21939270, now seen corresponding path program 1 times [2024-11-07 00:02:08,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:08,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881426368] [2024-11-07 00:02:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 00:02:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:02:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 00:02:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 00:02:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2024-11-07 00:02:08,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:08,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881426368] [2024-11-07 00:02:08,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881426368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:08,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:02:08,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:02:08,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410633439] [2024-11-07 00:02:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:08,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:02:08,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:02:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:02:08,441 INFO L87 Difference]: Start difference. First operand 6640 states and 8640 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-07 00:02:09,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:09,132 INFO L93 Difference]: Finished difference Result 13590 states and 17781 transitions. [2024-11-07 00:02:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:02:09,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 300 [2024-11-07 00:02:09,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:09,162 INFO L225 Difference]: With dead ends: 13590 [2024-11-07 00:02:09,162 INFO L226 Difference]: Without dead ends: 7748 [2024-11-07 00:02:09,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:02:09,177 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 314 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:09,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 567 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:02:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7748 states. [2024-11-07 00:02:09,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7748 to 6780. [2024-11-07 00:02:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6780 states, 5208 states have (on average 1.3043394777265744) internal successors, (6793), 5364 states have internal predecessors, (6793), 1047 states have call successors, (1047), 524 states have call predecessors, (1047), 524 states have return successors, (1047), 899 states have call predecessors, (1047), 1047 states have call successors, (1047) [2024-11-07 00:02:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 8887 transitions. [2024-11-07 00:02:09,585 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 8887 transitions. Word has length 300 [2024-11-07 00:02:09,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:09,586 INFO L471 AbstractCegarLoop]: Abstraction has 6780 states and 8887 transitions. [2024-11-07 00:02:09,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-07 00:02:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 8887 transitions. [2024-11-07 00:02:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 00:02:09,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:09,589 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:09,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 00:02:09,589 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:09,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2075959218, now seen corresponding path program 1 times [2024-11-07 00:02:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:09,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365942325] [2024-11-07 00:02:09,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 00:02:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 00:02:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:02:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 00:02:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-07 00:02:09,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:09,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365942325] [2024-11-07 00:02:09,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365942325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:09,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:02:09,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:02:09,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821578056] [2024-11-07 00:02:09,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:09,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:02:09,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:09,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:02:09,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:02:09,742 INFO L87 Difference]: Start difference. First operand 6780 states and 8887 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-07 00:02:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:10,523 INFO L93 Difference]: Finished difference Result 11860 states and 15622 transitions. [2024-11-07 00:02:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:02:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 307 [2024-11-07 00:02:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:10,544 INFO L225 Difference]: With dead ends: 11860 [2024-11-07 00:02:10,544 INFO L226 Difference]: Without dead ends: 5882 [2024-11-07 00:02:10,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:02:10,554 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 481 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:10,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 799 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:02:10,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5882 states. [2024-11-07 00:02:10,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5882 to 5854. [2024-11-07 00:02:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5854 states, 4502 states have (on average 1.2900932918702799) internal successors, (5808), 4634 states have internal predecessors, (5808), 903 states have call successors, (903), 448 states have call predecessors, (903), 448 states have return successors, (903), 771 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-07 00:02:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5854 states to 5854 states and 7614 transitions. [2024-11-07 00:02:10,849 INFO L78 Accepts]: Start accepts. Automaton has 5854 states and 7614 transitions. Word has length 307 [2024-11-07 00:02:10,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:10,849 INFO L471 AbstractCegarLoop]: Abstraction has 5854 states and 7614 transitions. [2024-11-07 00:02:10,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-07 00:02:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5854 states and 7614 transitions. [2024-11-07 00:02:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-07 00:02:10,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:10,857 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:10,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 00:02:10,857 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:10,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:10,857 INFO L85 PathProgramCache]: Analyzing trace with hash -493625249, now seen corresponding path program 1 times [2024-11-07 00:02:10,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:10,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245816062] [2024-11-07 00:02:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:10,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 00:02:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:11,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 00:02:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:02:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 00:02:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 00:02:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:02:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-07 00:02:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 00:02:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-07 00:02:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 28 proven. 70 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-11-07 00:02:12,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:12,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245816062] [2024-11-07 00:02:12,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245816062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:12,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67334713] [2024-11-07 00:02:12,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:12,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:12,084 INFO L229 MonitoredProcess]: Starting monitored process 14 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 00:02:12,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 00:02:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:12,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-07 00:02:12,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 198 proven. 109 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-07 00:02:12,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:02:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 33 proven. 72 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2024-11-07 00:02:13,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67334713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:02:13,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:02:13,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 16] total 40 [2024-11-07 00:02:13,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438982158] [2024-11-07 00:02:13,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:02:13,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-07 00:02:13,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:13,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-07 00:02:13,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1379, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 00:02:13,536 INFO L87 Difference]: Start difference. First operand 5854 states and 7614 transitions. Second operand has 40 states, 38 states have (on average 6.7894736842105265) internal successors, (258), 33 states have internal predecessors, (258), 9 states have call successors, (54), 9 states have call predecessors, (54), 19 states have return successors, (52), 12 states have call predecessors, (52), 8 states have call successors, (52) [2024-11-07 00:02:18,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:18,906 INFO L93 Difference]: Finished difference Result 28421 states and 38753 transitions. [2024-11-07 00:02:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-07 00:02:18,906 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 6.7894736842105265) internal successors, (258), 33 states have internal predecessors, (258), 9 states have call successors, (54), 9 states have call predecessors, (54), 19 states have return successors, (52), 12 states have call predecessors, (52), 8 states have call successors, (52) Word has length 351 [2024-11-07 00:02:18,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:18,968 INFO L225 Difference]: With dead ends: 28421 [2024-11-07 00:02:18,968 INFO L226 Difference]: Without dead ends: 23369 [2024-11-07 00:02:18,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2776 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1729, Invalid=9191, Unknown=0, NotChecked=0, Total=10920 [2024-11-07 00:02:18,982 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 2364 mSDsluCounter, 9000 mSDsCounter, 0 mSdLazyCounter, 5826 mSolverCounterSat, 811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2368 SdHoareTripleChecker+Valid, 9632 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 811 IncrementalHoareTripleChecker+Valid, 5826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:18,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2368 Valid, 9632 Invalid, 6637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [811 Valid, 5826 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 00:02:18,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23369 states. [2024-11-07 00:02:20,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23369 to 16644. [2024-11-07 00:02:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16644 states, 12693 states have (on average 1.296777751516584) internal successors, (16460), 12949 states have internal predecessors, (16460), 2715 states have call successors, (2715), 1171 states have call predecessors, (2715), 1235 states have return successors, (2835), 2523 states have call predecessors, (2835), 2715 states have call successors, (2835) [2024-11-07 00:02:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16644 states to 16644 states and 22010 transitions. [2024-11-07 00:02:20,422 INFO L78 Accepts]: Start accepts. Automaton has 16644 states and 22010 transitions. Word has length 351 [2024-11-07 00:02:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 16644 states and 22010 transitions. [2024-11-07 00:02:20,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 6.7894736842105265) internal successors, (258), 33 states have internal predecessors, (258), 9 states have call successors, (54), 9 states have call predecessors, (54), 19 states have return successors, (52), 12 states have call predecessors, (52), 8 states have call successors, (52) [2024-11-07 00:02:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 16644 states and 22010 transitions. [2024-11-07 00:02:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-07 00:02:20,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:20,447 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:20,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 00:02:20,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:20,648 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:20,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:20,648 INFO L85 PathProgramCache]: Analyzing trace with hash -690138754, now seen corresponding path program 1 times [2024-11-07 00:02:20,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:20,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141113651] [2024-11-07 00:02:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:20,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 00:02:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 00:02:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:02:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 00:02:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 00:02:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:02:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-07 00:02:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 00:02:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-07 00:02:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2024-11-07 00:02:20,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:20,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141113651] [2024-11-07 00:02:20,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141113651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:20,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:02:20,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:02:20,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828028417] [2024-11-07 00:02:20,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:20,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:02:20,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:20,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:02:20,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:02:20,853 INFO L87 Difference]: Start difference. First operand 16644 states and 22010 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 00:02:22,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:22,121 INFO L93 Difference]: Finished difference Result 33841 states and 44799 transitions. [2024-11-07 00:02:22,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:02:22,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 351 [2024-11-07 00:02:22,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:22,179 INFO L225 Difference]: With dead ends: 33841 [2024-11-07 00:02:22,179 INFO L226 Difference]: Without dead ends: 16388 [2024-11-07 00:02:22,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:02:22,203 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 100 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:22,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 620 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:02:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16388 states. [2024-11-07 00:02:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16388 to 16388. [2024-11-07 00:02:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16388 states, 12501 states have (on average 1.2633389328853692) internal successors, (15793), 12757 states have internal predecessors, (15793), 2715 states have call successors, (2715), 1171 states have call predecessors, (2715), 1171 states have return successors, (2715), 2459 states have call predecessors, (2715), 2715 states have call successors, (2715) [2024-11-07 00:02:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16388 states to 16388 states and 21223 transitions. [2024-11-07 00:02:23,711 INFO L78 Accepts]: Start accepts. Automaton has 16388 states and 21223 transitions. Word has length 351 [2024-11-07 00:02:23,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:23,711 INFO L471 AbstractCegarLoop]: Abstraction has 16388 states and 21223 transitions. [2024-11-07 00:02:23,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 00:02:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 16388 states and 21223 transitions. [2024-11-07 00:02:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-11-07 00:02:23,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:23,736 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:23,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 00:02:23,737 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:23,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1421130205, now seen corresponding path program 1 times [2024-11-07 00:02:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654484349] [2024-11-07 00:02:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:23,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 00:02:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 00:02:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 00:02:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 00:02:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 00:02:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 00:02:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 00:02:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 00:02:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 00:02:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:02:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 00:02:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-07 00:02:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-07 00:02:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-07 00:02:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2024-11-07 00:02:24,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:24,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654484349] [2024-11-07 00:02:24,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654484349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:24,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:02:24,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:02:24,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158784218] [2024-11-07 00:02:24,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:24,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:02:24,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:24,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:02:24,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:02:24,631 INFO L87 Difference]: Start difference. First operand 16388 states and 21223 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 00:02:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:26,596 INFO L93 Difference]: Finished difference Result 39140 states and 49889 transitions. [2024-11-07 00:02:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 00:02:26,596 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) Word has length 356 [2024-11-07 00:02:26,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:26,681 INFO L225 Difference]: With dead ends: 39140 [2024-11-07 00:02:26,681 INFO L226 Difference]: Without dead ends: 23798 [2024-11-07 00:02:26,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:02:26,715 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 130 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:26,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1201 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:02:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23798 states. [2024-11-07 00:02:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23798 to 19580. [2024-11-07 00:02:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19580 states, 14917 states have (on average 1.2442850439096333) internal successors, (18561), 15237 states have internal predecessors, (18561), 3195 states have call successors, (3195), 1467 states have call predecessors, (3195), 1467 states have return successors, (3195), 2875 states have call predecessors, (3195), 3195 states have call successors, (3195) [2024-11-07 00:02:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19580 states to 19580 states and 24951 transitions. [2024-11-07 00:02:28,200 INFO L78 Accepts]: Start accepts. Automaton has 19580 states and 24951 transitions. Word has length 356 [2024-11-07 00:02:28,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:28,200 INFO L471 AbstractCegarLoop]: Abstraction has 19580 states and 24951 transitions. [2024-11-07 00:02:28,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 00:02:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 19580 states and 24951 transitions. [2024-11-07 00:02:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-11-07 00:02:28,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:28,224 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 9, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:28,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 00:02:28,224 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:28,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1861832708, now seen corresponding path program 1 times [2024-11-07 00:02:28,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:28,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165597900] [2024-11-07 00:02:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:28,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 00:02:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 00:02:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:02:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 00:02:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 00:02:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:02:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-07 00:02:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 00:02:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-07 00:02:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-07 00:02:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 48 proven. 55 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-11-07 00:02:29,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:29,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165597900] [2024-11-07 00:02:29,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165597900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:29,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573739862] [2024-11-07 00:02:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:29,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:29,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:29,308 INFO L229 MonitoredProcess]: Starting monitored process 15 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 00:02:29,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 00:02:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:29,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-07 00:02:29,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 266 proven. 96 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2024-11-07 00:02:29,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:02:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 56 proven. 55 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2024-11-07 00:02:30,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573739862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:02:30,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:02:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 41 [2024-11-07 00:02:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250030023] [2024-11-07 00:02:30,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:02:30,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-07 00:02:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:30,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-07 00:02:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1449, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 00:02:30,463 INFO L87 Difference]: Start difference. First operand 19580 states and 24951 transitions. Second operand has 41 states, 39 states have (on average 7.102564102564102) internal successors, (277), 34 states have internal predecessors, (277), 9 states have call successors, (59), 9 states have call predecessors, (59), 19 states have return successors, (56), 12 states have call predecessors, (56), 8 states have call successors, (56) [2024-11-07 00:02:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:37,965 INFO L93 Difference]: Finished difference Result 66292 states and 87621 transitions. [2024-11-07 00:02:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-07 00:02:37,966 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 7.102564102564102) internal successors, (277), 34 states have internal predecessors, (277), 9 states have call successors, (59), 9 states have call predecessors, (59), 19 states have return successors, (56), 12 states have call predecessors, (56), 8 states have call successors, (56) Word has length 361 [2024-11-07 00:02:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:38,111 INFO L225 Difference]: With dead ends: 66292 [2024-11-07 00:02:38,111 INFO L226 Difference]: Without dead ends: 47902 [2024-11-07 00:02:38,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 899 GetRequests, 795 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2803 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1822, Invalid=9308, Unknown=0, NotChecked=0, Total=11130 [2024-11-07 00:02:38,152 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 1816 mSDsluCounter, 9033 mSDsCounter, 0 mSdLazyCounter, 5495 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 9696 SdHoareTripleChecker+Invalid, 6270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 5495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:38,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 9696 Invalid, 6270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 5495 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 00:02:38,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47902 states. [2024-11-07 00:02:41,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47902 to 37975. [2024-11-07 00:02:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37975 states, 28914 states have (on average 1.2410596942657537) internal successors, (35884), 29537 states have internal predecessors, (35884), 6227 states have call successors, (6227), 2833 states have call predecessors, (6227), 2833 states have return successors, (6227), 5604 states have call predecessors, (6227), 6227 states have call successors, (6227) [2024-11-07 00:02:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37975 states to 37975 states and 48338 transitions. [2024-11-07 00:02:41,253 INFO L78 Accepts]: Start accepts. Automaton has 37975 states and 48338 transitions. Word has length 361 [2024-11-07 00:02:41,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:41,254 INFO L471 AbstractCegarLoop]: Abstraction has 37975 states and 48338 transitions. [2024-11-07 00:02:41,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 7.102564102564102) internal successors, (277), 34 states have internal predecessors, (277), 9 states have call successors, (59), 9 states have call predecessors, (59), 19 states have return successors, (56), 12 states have call predecessors, (56), 8 states have call successors, (56) [2024-11-07 00:02:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 37975 states and 48338 transitions. [2024-11-07 00:02:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-07 00:02:41,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:41,292 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 9, 8, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:41,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 00:02:41,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-07 00:02:41,493 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:41,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:41,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1665650502, now seen corresponding path program 1 times [2024-11-07 00:02:41,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:41,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694491697] [2024-11-07 00:02:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:02:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:02:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:02:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:02:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 00:02:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-07 00:02:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:02:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 00:02:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 00:02:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:02:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-07 00:02:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 00:02:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-07 00:02:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-07 00:02:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-07 00:02:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-11-07 00:02:41,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:41,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694491697] [2024-11-07 00:02:41,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694491697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:02:41,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:02:41,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:02:41,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651153381] [2024-11-07 00:02:41,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:02:41,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:02:41,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:41,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:02:41,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:02:41,683 INFO L87 Difference]: Start difference. First operand 37975 states and 48338 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 00:02:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:02:45,268 INFO L93 Difference]: Finished difference Result 75136 states and 95749 transitions. [2024-11-07 00:02:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 00:02:45,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 366 [2024-11-07 00:02:45,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:02:45,394 INFO L225 Difference]: With dead ends: 75136 [2024-11-07 00:02:45,394 INFO L226 Difference]: Without dead ends: 38420 [2024-11-07 00:02:45,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:02:45,459 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 204 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:02:45,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1316 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:02:45,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38420 states. [2024-11-07 00:02:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38420 to 38181. [2024-11-07 00:02:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38181 states, 29069 states have (on average 1.2408751591042004) internal successors, (36071), 29698 states have internal predecessors, (36071), 6255 states have call successors, (6255), 2856 states have call predecessors, (6255), 2856 states have return successors, (6255), 5626 states have call predecessors, (6255), 6255 states have call successors, (6255) [2024-11-07 00:02:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38181 states to 38181 states and 48581 transitions. [2024-11-07 00:02:48,569 INFO L78 Accepts]: Start accepts. Automaton has 38181 states and 48581 transitions. Word has length 366 [2024-11-07 00:02:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:02:48,570 INFO L471 AbstractCegarLoop]: Abstraction has 38181 states and 48581 transitions. [2024-11-07 00:02:48,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 00:02:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 38181 states and 48581 transitions. [2024-11-07 00:02:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-07 00:02:48,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:02:48,609 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 9, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:02:48,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-07 00:02:48,609 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:02:48,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:02:48,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1839943138, now seen corresponding path program 1 times [2024-11-07 00:02:48,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:02:48,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191380569] [2024-11-07 00:02:48,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:48,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:02:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:02:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:02:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 00:02:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 00:02:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:02:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 00:02:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:02:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 00:02:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 00:02:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 00:02:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:02:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:02:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 00:02:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 00:02:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:02:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:02:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 00:02:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:02:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 00:02:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 00:02:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:02:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 00:02:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 00:02:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 00:02:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 00:02:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 00:02:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 00:02:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 00:02:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:02:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 00:02:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-07 00:02:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-07 00:02:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 00:02:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-07 00:02:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-11-07 00:02:49,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:02:49,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191380569] [2024-11-07 00:02:49,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191380569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:02:49,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215424584] [2024-11-07 00:02:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:02:49,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:02:49,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:02:49,127 INFO L229 MonitoredProcess]: Starting monitored process 16 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 00:02:49,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 00:02:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:02:49,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 00:02:49,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:02:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 295 proven. 65 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-11-07 00:02:49,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:02:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-11-07 00:02:50,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215424584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:02:50,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:02:50,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 12] total 23 [2024-11-07 00:02:50,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457011422] [2024-11-07 00:02:50,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:02:50,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 00:02:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:02:50,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 00:02:50,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2024-11-07 00:02:50,143 INFO L87 Difference]: Start difference. First operand 38181 states and 48581 transitions. Second operand has 23 states, 22 states have (on average 12.590909090909092) internal successors, (277), 21 states have internal predecessors, (277), 15 states have call successors, (67), 8 states have call predecessors, (67), 6 states have return successors, (60), 14 states have call predecessors, (60), 14 states have call successors, (60)