./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.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', '99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b'] 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.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 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:58:10,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:58:11,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:58:11,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:58:11,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:58:11,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:58:11,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:58:11,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:58:11,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:58:11,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:58:11,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:58:11,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:58:11,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:58:11,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:58:11,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:58:11,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:58:11,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:58:11,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:58:11,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:58:11,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:58:11,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:58:11,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:58:11,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:58:11,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:58:11,107 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 -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-11-07 12:58:11,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:58:11,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:58:11,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:58:11,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:58:11,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:58:11,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-07 12:58:12,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:58:12,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:58:12,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-07 12:58:12,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cc0613dd9/7c1226b892044d089e459df13b234f41/FLAG3202f677d [2024-11-07 12:58:12,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cc0613dd9/7c1226b892044d089e459df13b234f41 [2024-11-07 12:58:12,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:58:12,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:58:12,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:58:12,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:58:12,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:58:12,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:12" (1/1) ... [2024-11-07 12:58:12,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b95b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:12, skipping insertion in model container [2024-11-07 12:58:12,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:12" (1/1) ... [2024-11-07 12:58:13,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:58:13,561 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-07 12:58:13,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:58:13,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:58:14,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-11-07 12:58:14,068 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-07 12:58:14,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:58:14,210 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:58:14,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14 WrapperNode [2024-11-07 12:58:14,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:58:14,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:58:14,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:58:14,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:58:14,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,339 INFO L138 Inliner]: procedures = 156, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1722 [2024-11-07 12:58:14,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:58:14,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:58:14,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:58:14,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:58:14,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,562 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [158, 2, 44, 17, 3, 6, 26]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [0, 2, 0, 0, 0, 6, 26]. The 114 writes are split as follows [51, 0, 44, 17, 2, 0, 0]. [2024-11-07 12:58:14,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:58:14,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:58:14,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:58:14,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:58:14,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (1/1) ... [2024-11-07 12:58:14,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:58:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:58:14,738 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 12:58:14,746 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 12:58:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-07 12:58:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-07 12:58:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-07 12:58:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:58:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:58:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:58:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:58:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-07 12:58:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-07 12:58:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-07 12:58:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-07 12:58:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-07 12:58:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 12:58:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:58:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:58:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:58:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:58:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:58:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:58:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:58:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:58:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 12:58:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:58:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:58:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-07 12:58:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-07 12:58:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-07 12:58:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-07 12:58:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-07 12:58:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-07 12:58:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-07 12:58:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-07 12:58:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:58:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-07 12:58:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-07 12:58:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-07 12:58:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-07 12:58:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-07 12:58:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 12:58:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-07 12:58:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:58:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-07 12:58:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-07 12:58:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-07 12:58:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-07 12:58:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-07 12:58:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-07 12:58:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-07 12:58:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-07 12:58:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 12:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-07 12:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 12:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-07 12:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 12:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-07 12:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-07 12:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-07 12:58:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-07 12:58:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-07 12:58:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-07 12:58:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 12:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 12:58:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-07 12:58:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:58:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-07 12:58:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-07 12:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-07 12:58:14,786 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-07 12:58:15,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:58:15,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:58:15,360 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 12:58:15,891 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-07 12:58:21,028 INFO L? ?]: Removed 873 outVars from TransFormulas that were not future-live. [2024-11-07 12:58:21,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:58:21,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:58:21,056 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:58:21,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:21 BoogieIcfgContainer [2024-11-07 12:58:21,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:58:21,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:58:21,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:58:21,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:58:21,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:58:12" (1/3) ... [2024-11-07 12:58:21,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51edf5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:21, skipping insertion in model container [2024-11-07 12:58:21,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:14" (2/3) ... [2024-11-07 12:58:21,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51edf5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:21, skipping insertion in model container [2024-11-07 12:58:21,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:21" (3/3) ... [2024-11-07 12:58:21,064 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-07 12:58:21,076 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:58:21,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:58:21,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:58:21,143 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;@28445fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:58:21,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:58:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 892 states, 635 states have (on average 1.373228346456693) internal successors, (872), 659 states have internal predecessors, (872), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-07 12:58:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 12:58:21,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:58:21,167 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:21,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:58:21,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:58:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1381869314, now seen corresponding path program 1 times [2024-11-07 12:58:21,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:58:21,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117141267] [2024-11-07 12:58:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:58:21,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:58:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:58:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:58:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:58:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:58:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:58:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 12:58:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 12:58:22,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:58:22,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117141267] [2024-11-07 12:58:22,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117141267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:58:22,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:58:22,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:58:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432207853] [2024-11-07 12:58:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:58:22,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:58:22,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:58:22,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:58:22,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:58:22,249 INFO L87 Difference]: Start difference. First operand has 892 states, 635 states have (on average 1.373228346456693) internal successors, (872), 659 states have internal predecessors, (872), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 12:58:26,276 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 12:58:30,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:58:33,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:58:33,994 INFO L93 Difference]: Finished difference Result 2717 states and 3928 transitions. [2024-11-07 12:58:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:58:33,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-07 12:58:33,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:58:34,025 INFO L225 Difference]: With dead ends: 2717 [2024-11-07 12:58:34,026 INFO L226 Difference]: Without dead ends: 1808 [2024-11-07 12:58:34,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:58:34,038 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1886 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 597 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-07 12:58:34,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 1608 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [597 Valid, 1528 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-07 12:58:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2024-11-07 12:58:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1694. [2024-11-07 12:58:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1215 states have (on average 1.3530864197530865) internal successors, (1644), 1242 states have internal predecessors, (1644), 370 states have call successors, (370), 109 states have call predecessors, (370), 108 states have return successors, (365), 355 states have call predecessors, (365), 365 states have call successors, (365) [2024-11-07 12:58:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2379 transitions. [2024-11-07 12:58:34,197 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2379 transitions. Word has length 56 [2024-11-07 12:58:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:58:34,199 INFO L471 AbstractCegarLoop]: Abstraction has 1694 states and 2379 transitions. [2024-11-07 12:58:34,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 12:58:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2379 transitions. [2024-11-07 12:58:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 12:58:34,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:58:34,205 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:34,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:58:34,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:58:34,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:58:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 310822282, now seen corresponding path program 1 times [2024-11-07 12:58:34,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:58:34,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669611150] [2024-11-07 12:58:34,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:58:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:58:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:58:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:58:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:58:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:58:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:58:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 12:58:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 12:58:34,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:58:34,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669611150] [2024-11-07 12:58:34,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669611150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:58:34,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:58:34,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:58:34,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579506984] [2024-11-07 12:58:34,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:58:34,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:58:34,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:58:34,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:58:34,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:58:34,880 INFO L87 Difference]: Start difference. First operand 1694 states and 2379 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:58:38,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:58:42,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:58:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:58:46,190 INFO L93 Difference]: Finished difference Result 5443 states and 7803 transitions. [2024-11-07 12:58:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 12:58:46,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2024-11-07 12:58:46,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:58:46,218 INFO L225 Difference]: With dead ends: 5443 [2024-11-07 12:58:46,219 INFO L226 Difference]: Without dead ends: 3764 [2024-11-07 12:58:46,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:58:46,229 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 2049 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 675 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 675 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:58:46,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 1996 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [675 Valid, 1834 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2024-11-07 12:58:46,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2024-11-07 12:58:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3432. [2024-11-07 12:58:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3432 states, 2463 states have (on average 1.3503857084855866) internal successors, (3326), 2513 states have internal predecessors, (3326), 742 states have call successors, (742), 217 states have call predecessors, (742), 226 states have return successors, (793), 727 states have call predecessors, (793), 737 states have call successors, (793) [2024-11-07 12:58:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4861 transitions. [2024-11-07 12:58:46,417 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4861 transitions. Word has length 59 [2024-11-07 12:58:46,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:58:46,418 INFO L471 AbstractCegarLoop]: Abstraction has 3432 states and 4861 transitions. [2024-11-07 12:58:46,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:58:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4861 transitions. [2024-11-07 12:58:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-07 12:58:46,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:58:46,422 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:46,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:58:46,422 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:58:46,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:58:46,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1045074158, now seen corresponding path program 1 times [2024-11-07 12:58:46,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:58:46,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311354689] [2024-11-07 12:58:46,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:58:46,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:58:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:58:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:58:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:58:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:58:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:58:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 12:58:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 12:58:47,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:58:47,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311354689] [2024-11-07 12:58:47,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311354689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:58:47,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:58:47,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:58:47,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414805811] [2024-11-07 12:58:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:58:47,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:58:47,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:58:47,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:58:47,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:58:47,244 INFO L87 Difference]: Start difference. First operand 3432 states and 4861 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:58:51,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:58:55,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:58:58,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:58:58,841 INFO L93 Difference]: Finished difference Result 10901 states and 15779 transitions. [2024-11-07 12:58:58,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 12:58:58,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 60 [2024-11-07 12:58:58,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:58:58,895 INFO L225 Difference]: With dead ends: 10901 [2024-11-07 12:58:58,896 INFO L226 Difference]: Without dead ends: 7484 [2024-11-07 12:58:58,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:58:58,917 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 2034 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 657 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:58:58,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 2061 Invalid, 2543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 1884 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2024-11-07 12:58:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7484 states. [2024-11-07 12:58:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7484 to 6901. [2024-11-07 12:58:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 4952 states have (on average 1.3469305331179322) internal successors, (6670), 5048 states have internal predecessors, (6670), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-11-07 12:58:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 9853 transitions. [2024-11-07 12:58:59,319 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 9853 transitions. Word has length 60 [2024-11-07 12:58:59,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:58:59,319 INFO L471 AbstractCegarLoop]: Abstraction has 6901 states and 9853 transitions. [2024-11-07 12:58:59,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:58:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 9853 transitions. [2024-11-07 12:58:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-07 12:58:59,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:58:59,322 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:59,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 12:58:59,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:58:59,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:58:59,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1962916595, now seen corresponding path program 1 times [2024-11-07 12:58:59,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:58:59,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852048898] [2024-11-07 12:58:59,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:58:59,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:58:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:58:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:58:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:58:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:58:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:58:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 12:58:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:58:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 12:58:59,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:58:59,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852048898] [2024-11-07 12:58:59,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852048898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:58:59,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:58:59,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:58:59,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406516597] [2024-11-07 12:58:59,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:58:59,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:58:59,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:58:59,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:58:59,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:58:59,713 INFO L87 Difference]: Start difference. First operand 6901 states and 9853 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:59:03,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:59:07,743 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 12:59:10,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:59:10,913 INFO L93 Difference]: Finished difference Result 7482 states and 10768 transitions. [2024-11-07 12:59:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 12:59:10,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2024-11-07 12:59:10,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:59:10,961 INFO L225 Difference]: With dead ends: 7482 [2024-11-07 12:59:10,961 INFO L226 Difference]: Without dead ends: 7479 [2024-11-07 12:59:10,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:59:10,970 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 2030 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 652 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-07 12:59:10,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 2074 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 1871 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2024-11-07 12:59:10,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2024-11-07 12:59:11,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 6902. [2024-11-07 12:59:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6902 states, 4953 states have (on average 1.346860488592772) internal successors, (6671), 5049 states have internal predecessors, (6671), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-11-07 12:59:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6902 states to 6902 states and 9854 transitions. [2024-11-07 12:59:11,312 INFO L78 Accepts]: Start accepts. Automaton has 6902 states and 9854 transitions. Word has length 61 [2024-11-07 12:59:11,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:59:11,314 INFO L471 AbstractCegarLoop]: Abstraction has 6902 states and 9854 transitions. [2024-11-07 12:59:11,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:59:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 6902 states and 9854 transitions. [2024-11-07 12:59:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 12:59:11,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:59:11,318 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:11,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 12:59:11,319 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:59:11,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:59:11,319 INFO L85 PathProgramCache]: Analyzing trace with hash -721344559, now seen corresponding path program 1 times [2024-11-07 12:59:11,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:59:11,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615666099] [2024-11-07 12:59:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:59:11,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:59:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:59:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:59:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:59:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:59:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:59:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 12:59:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 12:59:11,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:59:11,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615666099] [2024-11-07 12:59:11,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615666099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:59:11,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:59:11,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:59:11,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765107493] [2024-11-07 12:59:11,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:59:11,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:59:11,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:59:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:59:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:59:11,659 INFO L87 Difference]: Start difference. First operand 6902 states and 9854 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), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:59:15,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:59:19,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:59:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:59:21,337 INFO L93 Difference]: Finished difference Result 7478 states and 10764 transitions. [2024-11-07 12:59:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:59:21,338 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), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 62 [2024-11-07 12:59:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:59:21,382 INFO L225 Difference]: With dead ends: 7478 [2024-11-07 12:59:21,383 INFO L226 Difference]: Without dead ends: 7475 [2024-11-07 12:59:21,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:59:21,389 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 1952 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 738 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-07 12:59:21,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 1014 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 881 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-11-07 12:59:21,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7475 states. [2024-11-07 12:59:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7475 to 6901. [2024-11-07 12:59:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 4953 states have (on average 1.346658590753079) internal successors, (6670), 5048 states have internal predecessors, (6670), 1485 states have call successors, (1485), 433 states have call predecessors, (1485), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-11-07 12:59:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 9852 transitions. [2024-11-07 12:59:21,738 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 9852 transitions. Word has length 62 [2024-11-07 12:59:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:59:21,739 INFO L471 AbstractCegarLoop]: Abstraction has 6901 states and 9852 transitions. [2024-11-07 12:59:21,739 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), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:59:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 9852 transitions. [2024-11-07 12:59:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 12:59:21,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:59:21,743 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:21,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 12:59:21,743 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:59:21,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:59:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -887312240, now seen corresponding path program 1 times [2024-11-07 12:59:21,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:59:21,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963097340] [2024-11-07 12:59:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:59:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:59:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:59:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:59:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:59:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:59:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:59:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 12:59:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 12:59:22,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:59:22,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963097340] [2024-11-07 12:59:22,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963097340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:59:22,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:59:22,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:59:22,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936049527] [2024-11-07 12:59:22,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:59:22,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:59:22,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:59:22,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:59:22,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:59:22,094 INFO L87 Difference]: Start difference. First operand 6901 states and 9852 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:59:26,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:59:30,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:59:32,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:59:32,135 INFO L93 Difference]: Finished difference Result 7477 states and 10762 transitions. [2024-11-07 12:59:32,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:59:32,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2024-11-07 12:59:32,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:59:32,181 INFO L225 Difference]: With dead ends: 7477 [2024-11-07 12:59:32,181 INFO L226 Difference]: Without dead ends: 7455 [2024-11-07 12:59:32,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:59:32,190 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 1534 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 475 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-07 12:59:32,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 1361 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1059 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-07 12:59:32,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7455 states. [2024-11-07 12:59:32,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7455 to 6881. [2024-11-07 12:59:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6881 states, 4936 states have (on average 1.3466369529983793) internal successors, (6647), 5030 states have internal predecessors, (6647), 1483 states have call successors, (1483), 432 states have call predecessors, (1483), 461 states have return successors, (1696), 1470 states have call predecessors, (1696), 1480 states have call successors, (1696) [2024-11-07 12:59:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6881 states to 6881 states and 9826 transitions. [2024-11-07 12:59:32,523 INFO L78 Accepts]: Start accepts. Automaton has 6881 states and 9826 transitions. Word has length 63 [2024-11-07 12:59:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:59:32,524 INFO L471 AbstractCegarLoop]: Abstraction has 6881 states and 9826 transitions. [2024-11-07 12:59:32,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 12:59:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6881 states and 9826 transitions. [2024-11-07 12:59:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 12:59:32,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:59:32,538 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:32,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 12:59:32,538 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:59:32,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:59:32,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1651717291, now seen corresponding path program 1 times [2024-11-07 12:59:32,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:59:32,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637416218] [2024-11-07 12:59:32,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:59:32,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:59:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:32,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:59:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:32,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:59:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:59:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:32,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 12:59:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 12:59:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 12:59:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 12:59:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 12:59:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 12:59:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 12:59:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 12:59:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 12:59:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:59:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 12:59:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:59:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 12:59:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 12:59:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 12:59:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 12:59:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 12:59:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 12:59:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 12:59:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 12:59:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:59:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-07 12:59:33,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:59:33,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637416218] [2024-11-07 12:59:33,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637416218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:59:33,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:59:33,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 12:59:33,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384887910] [2024-11-07 12:59:33,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:59:33,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 12:59:33,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:59:33,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 12:59:33,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 12:59:33,209 INFO L87 Difference]: Start difference. First operand 6881 states and 9826 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 12:59:37,228 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 12:59:41,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:59:45,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []