./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2'] 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--misc--pch_phub.ko-main.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:53:09,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:53:09,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:53:09,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:53:09,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:53:09,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:53:09,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:53:09,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:53:09,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:53:09,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:53:09,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:53:09,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:53:09,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:53:09,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:53:09,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:53:09,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:53:09,657 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 [2024-11-07 12:53:09,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:53:09,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:53:09,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:53:09,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:53:09,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:53:09,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-07 12:53:11,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:53:11,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:53:11,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-07 12:53:11,540 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24d493478/be8504a70e744ed8933d7b56cd93b6bb/FLAG35560bb80 [2024-11-07 12:53:11,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24d493478/be8504a70e744ed8933d7b56cd93b6bb [2024-11-07 12:53:11,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:53:11,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:53:11,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:53:11,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:53:11,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:53:11,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:11" (1/1) ... [2024-11-07 12:53:11,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e91965d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:11, skipping insertion in model container [2024-11-07 12:53:11,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:11" (1/1) ... [2024-11-07 12:53:11,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:53:12,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-11-07 12:53:12,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:53:12,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:53:12,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-11-07 12:53:12,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:53:12,554 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:53:12,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12 WrapperNode [2024-11-07 12:53:12,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:53:12,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:53:12,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:53:12,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:53:12,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,711 INFO L138 Inliner]: procedures = 129, calls = 755, calls flagged for inlining = 53, calls inlined = 47, statements flattened = 2571 [2024-11-07 12:53:12,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:53:12,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:53:12,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:53:12,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:53:12,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,841 INFO L175 MemorySlicer]: Split 360 memory accesses to 17 slices as follows [2, 19, 1, 24, 42, 2, 6, 1, 121, 1, 8, 16, 7, 49, 2, 51, 8]. 34 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 6]. The 228 writes are split as follows [0, 19, 0, 24, 42, 0, 0, 1, 30, 1, 3, 16, 6, 42, 1, 43, 0]. [2024-11-07 12:53:12,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:53:12,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:53:12,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:53:12,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:53:12,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (1/1) ... [2024-11-07 12:53:12,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:53:13,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:53:13,022 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 12:53:13,029 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 12:53:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-07 12:53:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-07 12:53:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:53:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 12:53:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2024-11-07 12:53:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2024-11-07 12:53:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 12:53:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-07 12:53:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:53:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2024-11-07 12:53:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2024-11-07 12:53:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-07 12:53:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 12:53:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 12:53:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 12:53:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-07 12:53:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-07 12:53:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 12:53:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 12:53:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-07 12:53:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-07 12:53:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 12:53:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 12:53:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-07 12:53:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-07 12:53:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:53:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2024-11-07 12:53:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-07 12:53:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2024-11-07 12:53:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 12:53:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-07 12:53:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-07 12:53:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-07 12:53:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-07 12:53:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-07 12:53:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:53:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-07 12:53:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-07 12:53:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-07 12:53:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 12:53:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2024-11-07 12:53:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 12:53:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 12:53:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 12:53:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:53:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:53:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-11-07 12:53:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-11-07 12:53:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2024-11-07 12:53:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2024-11-07 12:53:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2024-11-07 12:53:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2024-11-07 12:53:13,434 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:53:13,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:53:24,692 INFO L? ?]: Removed 849 outVars from TransFormulas that were not future-live. [2024-11-07 12:53:24,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:53:24,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:53:24,723 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 12:53:24,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:24 BoogieIcfgContainer [2024-11-07 12:53:24,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:53:24,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:53:24,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:53:24,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:53:24,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:11" (1/3) ... [2024-11-07 12:53:24,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4344fe0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:24, skipping insertion in model container [2024-11-07 12:53:24,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:12" (2/3) ... [2024-11-07 12:53:24,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4344fe0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:24, skipping insertion in model container [2024-11-07 12:53:24,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:24" (3/3) ... [2024-11-07 12:53:24,733 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-07 12:53:24,746 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:53:24,746 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:53:24,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:53:24,823 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;@5bf4c302, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:53:24,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:53:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 852 states, 633 states have (on average 1.3459715639810426) internal successors, (852), 646 states have internal predecessors, (852), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-07 12:53:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 12:53:24,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:24,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:24,841 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:24,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:24,845 INFO L85 PathProgramCache]: Analyzing trace with hash 572309931, now seen corresponding path program 1 times [2024-11-07 12:53:24,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:24,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626253017] [2024-11-07 12:53:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:26,762 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 12:53:26,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:26,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626253017] [2024-11-07 12:53:26,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626253017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:26,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:26,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:26,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909149283] [2024-11-07 12:53:26,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:26,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:26,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:26,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:26,793 INFO L87 Difference]: Start difference. First operand has 852 states, 633 states have (on average 1.3459715639810426) internal successors, (852), 646 states have internal predecessors, (852), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:30,844 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 12:53:31,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:31,185 INFO L93 Difference]: Finished difference Result 2530 states and 3698 transitions. [2024-11-07 12:53:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:31,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 12:53:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:31,213 INFO L225 Difference]: With dead ends: 2530 [2024-11-07 12:53:31,213 INFO L226 Difference]: Without dead ends: 1677 [2024-11-07 12:53:31,226 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 12:53:31,228 INFO L432 NwaCegarLoop]: 1217 mSDtfsCounter, 1189 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:31,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 2420 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:53:31,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2024-11-07 12:53:31,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1673. [2024-11-07 12:53:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1245 states have (on average 1.3405622489959839) internal successors, (1669), 1263 states have internal predecessors, (1669), 369 states have call successors, (369), 59 states have call predecessors, (369), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-07 12:53:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2402 transitions. [2024-11-07 12:53:31,399 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2402 transitions. Word has length 15 [2024-11-07 12:53:31,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:31,402 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2402 transitions. [2024-11-07 12:53:31,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2402 transitions. [2024-11-07 12:53:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 12:53:31,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:31,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:31,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:53:31,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:31,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:31,405 INFO L85 PathProgramCache]: Analyzing trace with hash 41048853, now seen corresponding path program 1 times [2024-11-07 12:53:31,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:31,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364975519] [2024-11-07 12:53:31,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:32,809 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 12:53:32,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:32,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364975519] [2024-11-07 12:53:32,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364975519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:32,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:32,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:32,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411829392] [2024-11-07 12:53:32,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:32,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:32,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:32,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:32,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:32,812 INFO L87 Difference]: Start difference. First operand 1673 states and 2402 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:32,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:32,928 INFO L93 Difference]: Finished difference Result 1691 states and 2422 transitions. [2024-11-07 12:53:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:32,930 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-07 12:53:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:32,942 INFO L225 Difference]: With dead ends: 1691 [2024-11-07 12:53:32,943 INFO L226 Difference]: Without dead ends: 1682 [2024-11-07 12:53:32,945 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 12:53:32,946 INFO L432 NwaCegarLoop]: 1222 mSDtfsCounter, 1208 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:32,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 1232 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:53:32,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-11-07 12:53:33,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1673. [2024-11-07 12:53:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1245 states have (on average 1.3397590361445784) internal successors, (1668), 1263 states have internal predecessors, (1668), 369 states have call successors, (369), 59 states have call predecessors, (369), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-07 12:53:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2401 transitions. [2024-11-07 12:53:33,035 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2401 transitions. Word has length 18 [2024-11-07 12:53:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:33,035 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2401 transitions. [2024-11-07 12:53:33,035 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2401 transitions. [2024-11-07 12:53:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 12:53:33,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:33,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:33,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:53:33,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:33,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash 98307155, now seen corresponding path program 1 times [2024-11-07 12:53:33,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:33,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636904246] [2024-11-07 12:53:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:34,263 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 12:53:34,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:34,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636904246] [2024-11-07 12:53:34,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636904246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:34,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:34,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:34,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119305917] [2024-11-07 12:53:34,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:34,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:34,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:34,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:34,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:34,265 INFO L87 Difference]: Start difference. First operand 1673 states and 2401 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:38,313 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 12:53:38,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:38,424 INFO L93 Difference]: Finished difference Result 1675 states and 2402 transitions. [2024-11-07 12:53:38,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:38,425 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-07 12:53:38,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:38,435 INFO L225 Difference]: With dead ends: 1675 [2024-11-07 12:53:38,436 INFO L226 Difference]: Without dead ends: 1672 [2024-11-07 12:53:38,437 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 12:53:38,439 INFO L432 NwaCegarLoop]: 1210 mSDtfsCounter, 1196 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:38,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1210 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:53:38,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-07 12:53:38,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-07 12:53:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1245 states have (on average 1.3389558232931726) internal successors, (1667), 1262 states have internal predecessors, (1667), 368 states have call successors, (368), 59 states have call predecessors, (368), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-07 12:53:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2399 transitions. [2024-11-07 12:53:38,510 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2399 transitions. Word has length 18 [2024-11-07 12:53:38,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:38,511 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2399 transitions. [2024-11-07 12:53:38,511 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2399 transitions. [2024-11-07 12:53:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 12:53:38,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:38,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:38,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 12:53:38,512 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1247811767, now seen corresponding path program 1 times [2024-11-07 12:53:38,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:38,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101623161] [2024-11-07 12:53:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:38,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:39,599 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 12:53:39,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:39,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101623161] [2024-11-07 12:53:39,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101623161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:39,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:39,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250283502] [2024-11-07 12:53:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:39,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:39,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:39,600 INFO L87 Difference]: Start difference. First operand 1672 states and 2399 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:43,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:53:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:43,736 INFO L93 Difference]: Finished difference Result 1674 states and 2400 transitions. [2024-11-07 12:53:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:43,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-07 12:53:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:43,746 INFO L225 Difference]: With dead ends: 1674 [2024-11-07 12:53:43,747 INFO L226 Difference]: Without dead ends: 1671 [2024-11-07 12:53:43,748 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 12:53:43,749 INFO L432 NwaCegarLoop]: 1208 mSDtfsCounter, 1193 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:43,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1208 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:53:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-07 12:53:43,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-07 12:53:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1245 states have (on average 1.3381526104417671) internal successors, (1666), 1261 states have internal predecessors, (1666), 367 states have call successors, (367), 59 states have call predecessors, (367), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-07 12:53:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2397 transitions. [2024-11-07 12:53:43,816 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2397 transitions. Word has length 19 [2024-11-07 12:53:43,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:43,817 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2397 transitions. [2024-11-07 12:53:43,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2397 transitions. [2024-11-07 12:53:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 12:53:43,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:43,818 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:43,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 12:53:43,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:43,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:43,819 INFO L85 PathProgramCache]: Analyzing trace with hash -27820522, now seen corresponding path program 1 times [2024-11-07 12:53:43,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:43,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548266885] [2024-11-07 12:53:43,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:45,016 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 12:53:45,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:45,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548266885] [2024-11-07 12:53:45,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548266885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:45,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:45,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329109511] [2024-11-07 12:53:45,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:45,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:45,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:45,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:45,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:45,018 INFO L87 Difference]: Start difference. First operand 1671 states and 2397 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:49,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:53:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:49,358 INFO L93 Difference]: Finished difference Result 4973 states and 7153 transitions. [2024-11-07 12:53:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-07 12:53:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:49,382 INFO L225 Difference]: With dead ends: 4973 [2024-11-07 12:53:49,383 INFO L226 Difference]: Without dead ends: 3299 [2024-11-07 12:53:49,393 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 12:53:49,394 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1187 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 2467 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:49,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 2467 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:53:49,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2024-11-07 12:53:49,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3286. [2024-11-07 12:53:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 2454 states have (on average 1.3398533007334963) internal successors, (3288), 2489 states have internal predecessors, (3288), 719 states have call successors, (719), 114 states have call predecessors, (719), 112 states have return successors, (720), 708 states have call predecessors, (720), 712 states have call successors, (720) [2024-11-07 12:53:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 4727 transitions. [2024-11-07 12:53:49,528 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 4727 transitions. Word has length 20 [2024-11-07 12:53:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:49,528 INFO L471 AbstractCegarLoop]: Abstraction has 3286 states and 4727 transitions. [2024-11-07 12:53:49,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 4727 transitions. [2024-11-07 12:53:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 12:53:49,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:49,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:49,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 12:53:49,533 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:49,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1030728849, now seen corresponding path program 1 times [2024-11-07 12:53:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371948555] [2024-11-07 12:53:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 12:53:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:53:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:53:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:53:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 12:53:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:50,841 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 12:53:50,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:50,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371948555] [2024-11-07 12:53:50,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371948555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:50,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:50,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:53:50,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420891860] [2024-11-07 12:53:50,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:50,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:53:50,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:50,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:53:50,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:53:50,844 INFO L87 Difference]: Start difference. First operand 3286 states and 4727 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 12:53:54,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:53:58,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:09,758 INFO L93 Difference]: Finished difference Result 9642 states and 13911 transitions. [2024-11-07 12:54:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 12:54:09,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-07 12:54:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:09,795 INFO L225 Difference]: With dead ends: 9642 [2024-11-07 12:54:09,795 INFO L226 Difference]: Without dead ends: 6359 [2024-11-07 12:54:09,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:54:09,814 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 1357 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 819 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:09,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 3334 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 925 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2024-11-07 12:54:09,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6359 states. [2024-11-07 12:54:10,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6359 to 6190. [2024-11-07 12:54:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6190 states, 4630 states have (on average 1.3373650107991362) internal successors, (6192), 4685 states have internal predecessors, (6192), 1347 states have call successors, (1347), 214 states have call predecessors, (1347), 212 states have return successors, (1348), 1336 states have call predecessors, (1348), 1340 states have call successors, (1348) [2024-11-07 12:54:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6190 states to 6190 states and 8887 transitions. [2024-11-07 12:54:10,106 INFO L78 Accepts]: Start accepts. Automaton has 6190 states and 8887 transitions. Word has length 49 [2024-11-07 12:54:10,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:10,106 INFO L471 AbstractCegarLoop]: Abstraction has 6190 states and 8887 transitions. [2024-11-07 12:54:10,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 12:54:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6190 states and 8887 transitions. [2024-11-07 12:54:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-07 12:54:10,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:10,114 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 12:54:10,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 12:54:10,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:10,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:10,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1499931713, now seen corresponding path program 1 times [2024-11-07 12:54:10,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:10,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762442514] [2024-11-07 12:54:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:10,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:11,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:54:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:11,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 12:54:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 12:54:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 12:54:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:54:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762442514] [2024-11-07 12:54:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762442514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:11,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:11,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:54:11,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321872915] [2024-11-07 12:54:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:11,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:54:11,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:54:11,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:54:11,496 INFO L87 Difference]: Start difference. First operand 6190 states and 8887 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 12:54:15,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:19,559 WARN L539 Checker$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 12:54:23,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:39,565 INFO L93 Difference]: Finished difference Result 15570 states and 22443 transitions. [2024-11-07 12:54:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 12:54:39,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-07 12:54:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:39,623 INFO L225 Difference]: With dead ends: 15570 [2024-11-07 12:54:39,624 INFO L226 Difference]: Without dead ends: 9383 [2024-11-07 12:54:39,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:54:39,650 INFO L432 NwaCegarLoop]: 1943 mSDtfsCounter, 1160 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 465 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 5415 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:39,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 5415 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 1392 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2024-11-07 12:54:39,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9383 states. [2024-11-07 12:54:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9383 to 9134. [2024-11-07 12:54:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9134 states, 6846 states have (on average 1.3374233128834356) internal successors, (9156), 6921 states have internal predecessors, (9156), 1975 states have call successors, (1975), 314 states have call predecessors, (1975), 312 states have return successors, (1976), 1964 states have call predecessors, (1976), 1968 states have call successors, (1976) [2024-11-07 12:54:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9134 states to 9134 states and 13107 transitions. [2024-11-07 12:54:40,183 INFO L78 Accepts]: Start accepts. Automaton has 9134 states and 13107 transitions. Word has length 60 [2024-11-07 12:54:40,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:40,185 INFO L471 AbstractCegarLoop]: Abstraction has 9134 states and 13107 transitions. [2024-11-07 12:54:40,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 12:54:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 9134 states and 13107 transitions. [2024-11-07 12:54:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 12:54:40,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:40,198 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:54:40,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 12:54:40,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:40,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:40,199 INFO L85 PathProgramCache]: Analyzing trace with hash -674392642, now seen corresponding path program 1 times [2024-11-07 12:54:40,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:40,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970571227] [2024-11-07 12:54:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:40,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 12:54:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:41,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 12:54:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 12:54:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 12:54:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 12:54:41,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:41,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970571227] [2024-11-07 12:54:41,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970571227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:41,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:41,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 12:54:41,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811272852] [2024-11-07 12:54:41,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:41,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 12:54:41,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:41,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 12:54:41,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:54:41,923 INFO L87 Difference]: Start difference. First operand 9134 states and 13107 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 12:54:45,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []