./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf'] 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/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:01:13,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:01:13,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 21:01:13,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:01:13,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:01:13,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:01:13,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:01:13,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:01:13,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:01:13,904 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:01:13,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:01:13,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:01:13,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:01:13,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:01:13,906 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:01:13,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:01:13,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:01:13,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 21:01:13,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:01:13,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:01:13,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:01:13,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:01:13,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:01:13,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:01:13,908 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf [2024-11-07 21:01:14,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:01:14,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:01:14,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:01:14,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:01:14,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:01:14,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-07 21:01:15,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:01:15,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:01:15,905 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-07 21:01:15,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f1d6cd67/9e0817de1b5345a7b1e8e59c37ed2e8d/FLAG5afb92581 [2024-11-07 21:01:15,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f1d6cd67/9e0817de1b5345a7b1e8e59c37ed2e8d [2024-11-07 21:01:15,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:01:15,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:01:15,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:01:15,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:01:15,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:01:15,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:01:15" (1/1) ... [2024-11-07 21:01:15,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d21c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:15, skipping insertion in model container [2024-11-07 21:01:15,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:01:15" (1/1) ... [2024-11-07 21:01:16,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:01:16,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:01:16,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:01:16,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:01:16,823 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:01:16,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16 WrapperNode [2024-11-07 21:01:16,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:01:16,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:01:16,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:01:16,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:01:16,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:16,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:16,905 INFO L138 Inliner]: procedures = 100, calls = 349, calls flagged for inlining = 41, calls inlined = 33, statements flattened = 825 [2024-11-07 21:01:16,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:01:16,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:01:16,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:01:16,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:01:16,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:16,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:16,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,000 INFO L175 MemorySlicer]: Split 228 memory accesses to 6 slices as follows [2, 14, 12, 65, 103, 32]. 45 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 0, 0, 0, 10, 0]. The 204 writes are split as follows [0, 2, 12, 65, 93, 32]. [2024-11-07 21:01:17,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:01:17,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:01:17,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:01:17,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:01:17,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (1/1) ... [2024-11-07 21:01:17,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:01:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:01:17,145 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 21:01:17,148 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 21:01:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 21:01:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 21:01:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 21:01:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 21:01:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2024-11-07 21:01:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 21:01:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 21:01:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 21:01:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 21:01:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-07 21:01:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-07 21:01:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 21:01:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 21:01:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2024-11-07 21:01:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2024-11-07 21:01:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 21:01:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-07 21:01:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-07 21:01:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:01:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 21:01:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 21:01:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 21:01:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 21:01:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 21:01:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 21:01:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 21:01:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 21:01:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2024-11-07 21:01:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-07 21:01:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 21:01:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 21:01:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 21:01:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 21:01:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 21:01:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 21:01:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 21:01:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 21:01:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-07 21:01:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-07 21:01:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:01:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:01:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-07 21:01:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-07 21:01:17,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:01:17,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:01:24,796 INFO L? ?]: Removed 269 outVars from TransFormulas that were not future-live. [2024-11-07 21:01:24,796 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:01:24,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:01:24,814 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:01:24,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:01:24 BoogieIcfgContainer [2024-11-07 21:01:24,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:01:24,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:01:24,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:01:24,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:01:24,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:01:15" (1/3) ... [2024-11-07 21:01:24,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d89d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:01:24, skipping insertion in model container [2024-11-07 21:01:24,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:16" (2/3) ... [2024-11-07 21:01:24,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d89d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:01:24, skipping insertion in model container [2024-11-07 21:01:24,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:01:24" (3/3) ... [2024-11-07 21:01:24,823 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-07 21:01:24,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:01:24,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-07 21:01:24,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:01:24,915 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;@709b7c83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:01:24,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-07 21:01:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 205 states, 154 states have (on average 1.4155844155844155) internal successors, (218), 171 states have internal predecessors, (218), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 21:01:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 21:01:24,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:24,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:01:24,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:01:24,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:24,937 INFO L85 PathProgramCache]: Analyzing trace with hash 330326288, now seen corresponding path program 1 times [2024-11-07 21:01:24,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:24,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872812755] [2024-11-07 21:01:24,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:28,199 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 21:01:28,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:28,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872812755] [2024-11-07 21:01:28,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872812755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:28,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:28,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:01:28,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881324315] [2024-11-07 21:01:28,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:28,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 21:01:28,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:28,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 21:01:28,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 21:01:28,227 INFO L87 Difference]: Start difference. First operand has 205 states, 154 states have (on average 1.4155844155844155) internal successors, (218), 171 states have internal predecessors, (218), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 21:01:28,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:01:28,481 INFO L93 Difference]: Finished difference Result 530 states and 741 transitions. [2024-11-07 21:01:28,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 21:01:28,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-07 21:01:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:01:28,493 INFO L225 Difference]: With dead ends: 530 [2024-11-07 21:01:28,494 INFO L226 Difference]: Without dead ends: 290 [2024-11-07 21:01:28,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:01:28,505 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 165 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 21:01:28,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 519 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 21:01:28,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-07 21:01:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-07 21:01:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 222 states have (on average 1.3693693693693694) internal successors, (304), 232 states have internal predecessors, (304), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 21:01:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 382 transitions. [2024-11-07 21:01:28,596 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 382 transitions. Word has length 17 [2024-11-07 21:01:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:01:28,596 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 382 transitions. [2024-11-07 21:01:28,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 21:01:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 382 transitions. [2024-11-07 21:01:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 21:01:28,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:28,600 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, 1, 1, 1, 1] [2024-11-07 21:01:28,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 21:01:28,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:01:28,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 608425976, now seen corresponding path program 1 times [2024-11-07 21:01:28,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:28,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109475140] [2024-11-07 21:01:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:28,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 21:01:31,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:31,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109475140] [2024-11-07 21:01:31,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109475140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:31,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:31,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 21:01:31,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254648610] [2024-11-07 21:01:31,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:31,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 21:01:31,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:31,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 21:01:31,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 21:01:31,413 INFO L87 Difference]: Start difference. First operand 290 states and 382 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 21:01:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:01:31,651 INFO L93 Difference]: Finished difference Result 577 states and 761 transitions. [2024-11-07 21:01:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 21:01:31,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-07 21:01:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:01:31,656 INFO L225 Difference]: With dead ends: 577 [2024-11-07 21:01:31,656 INFO L226 Difference]: Without dead ends: 573 [2024-11-07 21:01:31,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 21:01:31,658 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 209 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 21:01:31,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 463 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 21:01:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-07 21:01:31,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2024-11-07 21:01:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 441 states have (on average 1.36281179138322) internal successors, (601), 452 states have internal predecessors, (601), 78 states have call successors, (78), 38 states have call predecessors, (78), 38 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 21:01:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 757 transitions. [2024-11-07 21:01:31,713 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 757 transitions. Word has length 28 [2024-11-07 21:01:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:01:31,713 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 757 transitions. [2024-11-07 21:01:31,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 21:01:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 757 transitions. [2024-11-07 21:01:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 21:01:31,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:31,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:01:31,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 21:01:31,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:01:31,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:31,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1654849926, now seen corresponding path program 1 times [2024-11-07 21:01:31,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:31,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017215052] [2024-11-07 21:01:31,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:31,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:34,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:01:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 21:01:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:34,292 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 21:01:34,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:34,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017215052] [2024-11-07 21:01:34,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017215052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:34,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:34,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 21:01:34,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335518475] [2024-11-07 21:01:34,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:34,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:01:34,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:34,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:01:34,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:34,295 INFO L87 Difference]: Start difference. First operand 567 states and 757 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 21:01:38,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:01:42,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:01:45,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:01:45,045 INFO L93 Difference]: Finished difference Result 1259 states and 1684 transitions. [2024-11-07 21:01:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 21:01:45,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-07 21:01:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:01:45,052 INFO L225 Difference]: With dead ends: 1259 [2024-11-07 21:01:45,053 INFO L226 Difference]: Without dead ends: 695 [2024-11-07 21:01:45,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:01:45,055 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 219 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 30 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-07 21:01:45,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 711 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 141 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-07 21:01:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-07 21:01:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 670. [2024-11-07 21:01:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 520 states have (on average 1.3557692307692308) internal successors, (705), 531 states have internal predecessors, (705), 92 states have call successors, (92), 48 states have call predecessors, (92), 48 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-07 21:01:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 889 transitions. [2024-11-07 21:01:45,106 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 889 transitions. Word has length 35 [2024-11-07 21:01:45,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:01:45,106 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 889 transitions. [2024-11-07 21:01:45,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 21:01:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 889 transitions. [2024-11-07 21:01:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 21:01:45,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:45,114 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-07 21:01:45,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 21:01:45,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:01:45,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2084857268, now seen corresponding path program 1 times [2024-11-07 21:01:45,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:45,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233119209] [2024-11-07 21:01:45,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:45,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 21:01:47,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:47,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233119209] [2024-11-07 21:01:47,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233119209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:47,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:47,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 21:01:47,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126264965] [2024-11-07 21:01:47,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:47,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:01:47,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:47,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:01:47,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:47,642 INFO L87 Difference]: Start difference. First operand 670 states and 889 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 21:01:51,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:01:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:01:52,466 INFO L93 Difference]: Finished difference Result 1393 states and 1847 transitions. [2024-11-07 21:01:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 21:01:52,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-11-07 21:01:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:01:52,476 INFO L225 Difference]: With dead ends: 1393 [2024-11-07 21:01:52,477 INFO L226 Difference]: Without dead ends: 988 [2024-11-07 21:01:52,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:01:52,479 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 208 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-07 21:01:52,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1116 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-07 21:01:52,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-07 21:01:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 674. [2024-11-07 21:01:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 524 states have (on average 1.3530534351145038) internal successors, (709), 535 states have internal predecessors, (709), 92 states have call successors, (92), 48 states have call predecessors, (92), 48 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-07 21:01:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 893 transitions. [2024-11-07 21:01:52,527 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 893 transitions. Word has length 43 [2024-11-07 21:01:52,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:01:52,527 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 893 transitions. [2024-11-07 21:01:52,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 21:01:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 893 transitions. [2024-11-07 21:01:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 21:01:52,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:52,530 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 21:01:52,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 21:01:52,530 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:01:52,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2015314476, now seen corresponding path program 1 times [2024-11-07 21:01:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:52,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522972326] [2024-11-07 21:01:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:52,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:01:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:01:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:54,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:01:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 21:01:54,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:54,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522972326] [2024-11-07 21:01:54,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522972326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:54,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:54,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:01:54,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877836047] [2024-11-07 21:01:54,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:54,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:01:54,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:54,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:01:54,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:54,880 INFO L87 Difference]: Start difference. First operand 674 states and 893 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 21:01:58,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:02:01,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:01,031 INFO L93 Difference]: Finished difference Result 1297 states and 1732 transitions. [2024-11-07 21:02:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:01,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 53 [2024-11-07 21:02:01,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:01,037 INFO L225 Difference]: With dead ends: 1297 [2024-11-07 21:02:01,037 INFO L226 Difference]: Without dead ends: 733 [2024-11-07 21:02:01,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:01,042 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 32 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:01,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 541 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-07 21:02:01,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-07 21:02:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 708. [2024-11-07 21:02:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 552 states have (on average 1.338768115942029) internal successors, (739), 563 states have internal predecessors, (739), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 21:02:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 935 transitions. [2024-11-07 21:02:01,101 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 935 transitions. Word has length 53 [2024-11-07 21:02:01,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:01,102 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 935 transitions. [2024-11-07 21:02:01,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 21:02:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 935 transitions. [2024-11-07 21:02:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:02:01,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:01,105 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 21:02:01,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 21:02:01,107 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:02:01,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash -917848436, now seen corresponding path program 1 times [2024-11-07 21:02:01,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:01,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055978708] [2024-11-07 21:02:01,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:02:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:02:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:02:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 21:02:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:03,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 21:02:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 21:02:03,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:03,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055978708] [2024-11-07 21:02:03,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055978708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:03,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:02:03,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 21:02:03,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829723542] [2024-11-07 21:02:03,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:03,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 21:02:03,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:03,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 21:02:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:02:03,694 INFO L87 Difference]: Start difference. First operand 708 states and 935 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 21:02:07,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:02:10,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:10,777 INFO L93 Difference]: Finished difference Result 1333 states and 1766 transitions. [2024-11-07 21:02:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 21:02:10,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 67 [2024-11-07 21:02:10,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:10,783 INFO L225 Difference]: With dead ends: 1333 [2024-11-07 21:02:10,783 INFO L226 Difference]: Without dead ends: 735 [2024-11-07 21:02:10,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:02:10,787 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 29 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:10,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 717 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-07 21:02:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-07 21:02:10,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 710. [2024-11-07 21:02:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 554 states have (on average 1.3375451263537905) internal successors, (741), 565 states have internal predecessors, (741), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 21:02:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 937 transitions. [2024-11-07 21:02:10,828 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 937 transitions. Word has length 67 [2024-11-07 21:02:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:10,830 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 937 transitions. [2024-11-07 21:02:10,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 21:02:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 937 transitions. [2024-11-07 21:02:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-07 21:02:10,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:10,834 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-07 21:02:10,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 21:02:10,834 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:02:10,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:10,834 INFO L85 PathProgramCache]: Analyzing trace with hash 199410482, now seen corresponding path program 1 times [2024-11-07 21:02:10,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:10,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191411634] [2024-11-07 21:02:10,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:10,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:13,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:02:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:13,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:02:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:02:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 21:02:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 21:02:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 21:02:13,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191411634] [2024-11-07 21:02:13,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191411634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676719312] [2024-11-07 21:02:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:13,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:13,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:13,518 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 21:02:13,520 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 21:02:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:15,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 21:02:15,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 21:02:16,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:02:16,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676719312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:16,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 21:02:16,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 21:02:16,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796163059] [2024-11-07 21:02:16,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:16,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:16,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:16,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:16,614 INFO L87 Difference]: Start difference. First operand 710 states and 937 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 21:02:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:17,426 INFO L93 Difference]: Finished difference Result 1314 states and 1741 transitions. [2024-11-07 21:02:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:17,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 73 [2024-11-07 21:02:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:17,433 INFO L225 Difference]: With dead ends: 1314 [2024-11-07 21:02:17,433 INFO L226 Difference]: Without dead ends: 714 [2024-11-07 21:02:17,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:17,436 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 11 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:17,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 665 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 21:02:17,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-07 21:02:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2024-11-07 21:02:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 560 states have (on average 1.3267857142857142) internal successors, (743), 567 states have internal predecessors, (743), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 21:02:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 939 transitions. [2024-11-07 21:02:17,471 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 939 transitions. Word has length 73 [2024-11-07 21:02:17,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:17,471 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 939 transitions. [2024-11-07 21:02:17,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 21:02:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 939 transitions. [2024-11-07 21:02:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 21:02:17,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:17,474 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-07 21:02:17,502 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 21:02:17,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:17,675 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:02:17,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:17,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1886757815, now seen corresponding path program 1 times [2024-11-07 21:02:17,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:17,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602377018] [2024-11-07 21:02:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:17,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:19,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:02:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:19,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:02:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:19,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:02:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 21:02:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:19,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 21:02:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 21:02:19,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:19,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602377018] [2024-11-07 21:02:19,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602377018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:19,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:02:19,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:02:19,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046403805] [2024-11-07 21:02:19,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:19,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:19,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:19,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:19,820 INFO L87 Difference]: Start difference. First operand 714 states and 939 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 21:02:23,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:02:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:25,847 INFO L93 Difference]: Finished difference Result 739 states and 976 transitions. [2024-11-07 21:02:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:25,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2024-11-07 21:02:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:25,852 INFO L225 Difference]: With dead ends: 739 [2024-11-07 21:02:25,853 INFO L226 Difference]: Without dead ends: 737 [2024-11-07 21:02:25,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:25,854 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 34 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:25,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 518 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-07 21:02:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-07 21:02:25,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 708. [2024-11-07 21:02:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 556 states have (on average 1.3183453237410072) internal successors, (733), 561 states have internal predecessors, (733), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 21:02:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 929 transitions. [2024-11-07 21:02:25,884 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 929 transitions. Word has length 74 [2024-11-07 21:02:25,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:25,885 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 929 transitions. [2024-11-07 21:02:25,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 21:02:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 929 transitions. [2024-11-07 21:02:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 21:02:25,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:25,888 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:25,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 21:02:25,888 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:02:25,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:25,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2147233314, now seen corresponding path program 1 times [2024-11-07 21:02:25,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:25,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352213911] [2024-11-07 21:02:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:25,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:02:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:28,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:02:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:28,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:02:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:28,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 21:02:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 21:02:28,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:28,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352213911] [2024-11-07 21:02:28,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352213911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:28,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373861266] [2024-11-07 21:02:28,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:28,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:28,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:28,190 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 21:02:28,191 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 21:02:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:30,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 21:02:30,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-07 21:02:30,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:02:30,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373861266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:30,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 21:02:30,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 21:02:30,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418209536] [2024-11-07 21:02:30,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:30,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 21:02:30,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:30,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 21:02:30,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:30,994 INFO L87 Difference]: Start difference. First operand 708 states and 929 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 21:02:31,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:31,183 INFO L93 Difference]: Finished difference Result 1133 states and 1490 transitions. [2024-11-07 21:02:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 21:02:31,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 80 [2024-11-07 21:02:31,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:31,188 INFO L225 Difference]: With dead ends: 1133 [2024-11-07 21:02:31,188 INFO L226 Difference]: Without dead ends: 713 [2024-11-07 21:02:31,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:31,192 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 3 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:31,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 21:02:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-07 21:02:31,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2024-11-07 21:02:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 560 states have (on average 1.3178571428571428) internal successors, (738), 565 states have internal predecessors, (738), 99 states have call successors, (99), 48 states have call predecessors, (99), 48 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 21:02:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 936 transitions. [2024-11-07 21:02:31,222 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 936 transitions. Word has length 80 [2024-11-07 21:02:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:31,222 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 936 transitions. [2024-11-07 21:02:31,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 21:02:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 936 transitions. [2024-11-07 21:02:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 21:02:31,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:31,226 INFO L215 NwaCegarLoop]: trace histogram [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, 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 21:02:31,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 21:02:31,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:31,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:02:31,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:31,427 INFO L85 PathProgramCache]: Analyzing trace with hash -865427178, now seen corresponding path program 1 times [2024-11-07 21:02:31,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:31,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972018258] [2024-11-07 21:02:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:33,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:02:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:33,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:02:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:02:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 21:02:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:33,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 21:02:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 21:02:33,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:33,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972018258] [2024-11-07 21:02:33,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972018258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:33,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438237858] [2024-11-07 21:02:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:33,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:33,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:33,777 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 21:02:33,779 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 21:02:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:36,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 21:02:36,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-07 21:02:36,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:02:36,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438237858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:36,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 21:02:36,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 21:02:36,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561735337] [2024-11-07 21:02:36,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:36,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 21:02:36,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:36,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 21:02:36,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:36,599 INFO L87 Difference]: Start difference. First operand 713 states and 936 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 21:02:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:36,758 INFO L93 Difference]: Finished difference Result 713 states and 936 transitions. [2024-11-07 21:02:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 21:02:36,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 83 [2024-11-07 21:02:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:36,763 INFO L225 Difference]: With dead ends: 713 [2024-11-07 21:02:36,763 INFO L226 Difference]: Without dead ends: 712 [2024-11-07 21:02:36,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:36,764 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:36,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 454 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 21:02:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-07 21:02:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-07 21:02:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 560 states have (on average 1.3142857142857143) internal successors, (736), 564 states have internal predecessors, (736), 99 states have call successors, (99), 48 states have call predecessors, (99), 48 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 21:02:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 934 transitions. [2024-11-07 21:02:36,793 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 934 transitions. Word has length 83 [2024-11-07 21:02:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:36,794 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 934 transitions. [2024-11-07 21:02:36,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 21:02:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 934 transitions. [2024-11-07 21:02:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 21:02:36,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:36,796 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 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 21:02:36,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 21:02:36,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:36,998 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 21:02:36,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1423985879, now seen corresponding path program 1 times [2024-11-07 21:02:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:36,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724019998] [2024-11-07 21:02:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:39,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 21:02:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 21:02:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 21:02:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 21:02:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 21:02:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 21:02:39,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724019998] [2024-11-07 21:02:39,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724019998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259574123] [2024-11-07 21:02:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:39,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:39,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:39,420 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 21:02:39,426 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