./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:53:14,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:53:14,449 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:53:14,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:53:14,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:53:14,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:53:14,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:53:14,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:53:14,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:53:14,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:53:14,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:53:14,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:53:14,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:53:14,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:53:14,480 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:53:14,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:53:14,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:53:14,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:53:14,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:53:14,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:53:14,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:53:14,483 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 -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2024-11-07 12:53:14,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:53:14,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:53:14,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:53:14,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:53:14,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:53:14,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-07 12:53:15,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:53:16,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:53:16,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-07 12:53:16,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f794c0a5/86728a97888c417e88a5372b5ec30516/FLAGbb4bc26aa [2024-11-07 12:53:16,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f794c0a5/86728a97888c417e88a5372b5ec30516 [2024-11-07 12:53:16,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:53:16,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:53:16,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:53:16,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:53:16,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:53:16,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:16" (1/1) ... [2024-11-07 12:53:16,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217984b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16, skipping insertion in model container [2024-11-07 12:53:16,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:16" (1/1) ... [2024-11-07 12:53:16,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:53:17,197 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-07 12:53:17,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:53:17,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:53:17,365 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; incl %0": "+m" (v->counter)); [3103] [2024-11-07 12:53:17,476 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-07 12:53:17,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:53:17,568 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:53:17,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17 WrapperNode [2024-11-07 12:53:17,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:53:17,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:53:17,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:53:17,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:53:17,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,671 INFO L138 Inliner]: procedures = 175, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1687 [2024-11-07 12:53:17,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:53:17,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:53:17,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:53:17,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:53:17,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,821 INFO L175 MemorySlicer]: Split 410 memory accesses to 22 slices as follows [2, 18, 12, 56, 8, 28, 2, 42, 2, 2, 49, 1, 8, 2, 4, 108, 8, 8, 3, 1, 38, 8]. 26 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 0, 8, 56, 8, 0, 0, 0, 1, 0, 0, 0, 8, 0, 0, 0, 8, 8, 0, 0, 23, 8]. The 190 writes are split as follows [0, 18, 3, 0, 0, 28, 0, 42, 0, 0, 42, 0, 0, 0, 0, 41, 0, 0, 1, 0, 15, 0]. [2024-11-07 12:53:17,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:53:17,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:53:17,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:53:17,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:53:17,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (1/1) ... [2024-11-07 12:53:17,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:53:17,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:53:17,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:53:17,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:53:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-07 12:53:18,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-07 12:53:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:53:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 12:53:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-07 12:53:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-07 12:53:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-07 12:53:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-07 12:53:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-07 12:53:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-07 12:53:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-07 12:53:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-07 12:53:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:53:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-07 12:53:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:53:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 12:53:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-07 12:53:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-07 12:53:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 12:53:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 12:53:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-07 12:53:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-07 12:53:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-07 12:53:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-07 12:53:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-07 12:53:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2024-11-07 12:53:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 12:53:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-07 12:53:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-07 12:53:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:53:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 12:53:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 12:53:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 12:53:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-07 12:53:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-07 12:53:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 12:53:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-07 12:53:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:53:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2024-11-07 12:53:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2024-11-07 12:53:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2024-11-07 12:53:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-07 12:53:18,039 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-07 12:53:18,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:53:18,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:53:24,590 INFO L? ?]: Removed 1114 outVars from TransFormulas that were not future-live. [2024-11-07 12:53:24,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:53:24,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:53:24,636 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:53:24,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:24 BoogieIcfgContainer [2024-11-07 12:53:24,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:53:24,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:53:24,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:53:24,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:53:24,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:16" (1/3) ... [2024-11-07 12:53:24,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e94904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:24, skipping insertion in model container [2024-11-07 12:53:24,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:17" (2/3) ... [2024-11-07 12:53:24,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e94904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:24, skipping insertion in model container [2024-11-07 12:53:24,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:24" (3/3) ... [2024-11-07 12:53:24,645 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-07 12:53:24,654 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:53:24,654 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:53:24,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:53:24,707 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;@3dd9cc3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:53:24,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:53:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-07 12:53:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 12:53:24,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:24,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:24,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:24,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159067, now seen corresponding path program 1 times [2024-11-07 12:53:24,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:24,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675026678] [2024-11-07 12:53:24,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:24,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:53:26,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:26,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675026678] [2024-11-07 12:53:26,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675026678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:26,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:26,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:26,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528324460] [2024-11-07 12:53:26,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:26,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:26,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:26,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:26,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:26,193 INFO L87 Difference]: Start difference. First operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:26,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:26,490 INFO L93 Difference]: Finished difference Result 1602 states and 2277 transitions. [2024-11-07 12:53:26,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:26,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-07 12:53:26,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:26,518 INFO L225 Difference]: With dead ends: 1602 [2024-11-07 12:53:26,518 INFO L226 Difference]: Without dead ends: 917 [2024-11-07 12:53:26,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:26,528 INFO L432 NwaCegarLoop]: 944 mSDtfsCounter, 349 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:26,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1827 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 12:53:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-07 12:53:26,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 890. [2024-11-07 12:53:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 637 states have (on average 1.3202511773940346) internal successors, (841), 672 states have internal predecessors, (841), 197 states have call successors, (197), 57 states have call predecessors, (197), 55 states have return successors, (187), 180 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-07 12:53:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1225 transitions. [2024-11-07 12:53:26,649 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1225 transitions. Word has length 13 [2024-11-07 12:53:26,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:26,649 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1225 transitions. [2024-11-07 12:53:26,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:53:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1225 transitions. [2024-11-07 12:53:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 12:53:26,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:26,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:26,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:53:26,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:26,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:26,654 INFO L85 PathProgramCache]: Analyzing trace with hash 30224340, now seen corresponding path program 1 times [2024-11-07 12:53:26,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:26,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043705624] [2024-11-07 12:53:26,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:26,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:53:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 12:53:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 12:53:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:27,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:53:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:53:27,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:27,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043705624] [2024-11-07 12:53:27,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043705624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:27,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:27,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:53:27,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151632721] [2024-11-07 12:53:27,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:27,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:53:27,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:27,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:53:27,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:27,894 INFO L87 Difference]: Start difference. First operand 890 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 12:53:31,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:53:32,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:32,171 INFO L93 Difference]: Finished difference Result 2561 states and 3522 transitions. [2024-11-07 12:53:32,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:53:32,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-07 12:53:32,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:32,188 INFO L225 Difference]: With dead ends: 2561 [2024-11-07 12:53:32,188 INFO L226 Difference]: Without dead ends: 1674 [2024-11-07 12:53:32,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:53:32,193 INFO L432 NwaCegarLoop]: 966 mSDtfsCounter, 892 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:32,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1849 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:53:32,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-11-07 12:53:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1667. [2024-11-07 12:53:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.3200663349917081) internal successors, (1592), 1260 states have internal predecessors, (1592), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-07 12:53:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2288 transitions. [2024-11-07 12:53:32,293 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2288 transitions. Word has length 35 [2024-11-07 12:53:32,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:32,294 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2288 transitions. [2024-11-07 12:53:32,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 12:53:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2288 transitions. [2024-11-07 12:53:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 12:53:32,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:32,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:32,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:53:32,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:32,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:32,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1064351123, now seen corresponding path program 1 times [2024-11-07 12:53:32,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:32,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821817418] [2024-11-07 12:53:32,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:32,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:53:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:53:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:33,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:53:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:53:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:53:33,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:33,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821817418] [2024-11-07 12:53:33,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821817418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:33,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:33,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:53:33,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578467357] [2024-11-07 12:53:33,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:33,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:53:33,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:33,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:53:33,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:53:33,306 INFO L87 Difference]: Start difference. First operand 1667 states and 2288 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 12:53:37,329 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 12:53:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:39,477 INFO L93 Difference]: Finished difference Result 1771 states and 2444 transitions. [2024-11-07 12:53:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:53:39,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-07 12:53:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:39,487 INFO L225 Difference]: With dead ends: 1771 [2024-11-07 12:53:39,487 INFO L226 Difference]: Without dead ends: 1758 [2024-11-07 12:53:39,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:53:39,489 INFO L432 NwaCegarLoop]: 834 mSDtfsCounter, 931 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 219 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:39,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1391 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 279 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-07 12:53:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2024-11-07 12:53:39,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1667. [2024-11-07 12:53:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.318407960199005) internal successors, (1590), 1260 states have internal predecessors, (1590), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-07 12:53:39,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2286 transitions. [2024-11-07 12:53:39,551 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2286 transitions. Word has length 42 [2024-11-07 12:53:39,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:39,551 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2286 transitions. [2024-11-07 12:53:39,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 12:53:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2286 transitions. [2024-11-07 12:53:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 12:53:39,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:39,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:39,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 12:53:39,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:39,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:39,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1007092821, now seen corresponding path program 1 times [2024-11-07 12:53:39,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:39,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378704527] [2024-11-07 12:53:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:39,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:40,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:53:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:53:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:40,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:53:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:53:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:53:40,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:40,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378704527] [2024-11-07 12:53:40,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378704527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:40,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:40,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:53:40,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715628404] [2024-11-07 12:53:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:40,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:53:40,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:53:40,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:53:40,568 INFO L87 Difference]: Start difference. First operand 1667 states and 2286 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:53:44,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:53:48,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:53:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:53:50,825 INFO L93 Difference]: Finished difference Result 1747 states and 2411 transitions. [2024-11-07 12:53:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 12:53:50,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-07 12:53:50,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:53:50,833 INFO L225 Difference]: With dead ends: 1747 [2024-11-07 12:53:50,835 INFO L226 Difference]: Without dead ends: 1744 [2024-11-07 12:53:50,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:53:50,836 INFO L432 NwaCegarLoop]: 818 mSDtfsCounter, 912 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 216 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:53:50,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 1350 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 274 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2024-11-07 12:53:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-11-07 12:53:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1666. [2024-11-07 12:53:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1206 states have (on average 1.3175787728026533) internal successors, (1589), 1259 states have internal predecessors, (1589), 352 states have call successors, (352), 110 states have call predecessors, (352), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-07 12:53:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2284 transitions. [2024-11-07 12:53:50,913 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2284 transitions. Word has length 42 [2024-11-07 12:53:50,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:53:50,914 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2284 transitions. [2024-11-07 12:53:50,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:53:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2284 transitions. [2024-11-07 12:53:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 12:53:50,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:53:50,916 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:53:50,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 12:53:50,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:53:50,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:53:50,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1155424246, now seen corresponding path program 1 times [2024-11-07 12:53:50,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:53:50,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370420154] [2024-11-07 12:53:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:53:50,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:53:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:53:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:51,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:53:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:51,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:53:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:51,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:53:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:53:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:53:51,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:53:51,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370420154] [2024-11-07 12:53:51,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370420154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:53:51,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:53:51,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:53:51,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745701726] [2024-11-07 12:53:51,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:53:51,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:53:51,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:53:51,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:53:51,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:53:51,902 INFO L87 Difference]: Start difference. First operand 1666 states and 2284 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:53:55,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:00,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:02,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:02,039 INFO L93 Difference]: Finished difference Result 1746 states and 2409 transitions. [2024-11-07 12:54:02,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 12:54:02,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-07 12:54:02,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:02,047 INFO L225 Difference]: With dead ends: 1746 [2024-11-07 12:54:02,047 INFO L226 Difference]: Without dead ends: 1743 [2024-11-07 12:54:02,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:54:02,048 INFO L432 NwaCegarLoop]: 816 mSDtfsCounter, 909 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 215 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:02,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 1347 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 274 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2024-11-07 12:54:02,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2024-11-07 12:54:02,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1665. [2024-11-07 12:54:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1206 states have (on average 1.3167495854063018) internal successors, (1588), 1258 states have internal predecessors, (1588), 351 states have call successors, (351), 110 states have call predecessors, (351), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-07 12:54:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2282 transitions. [2024-11-07 12:54:02,101 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2282 transitions. Word has length 43 [2024-11-07 12:54:02,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:02,101 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2282 transitions. [2024-11-07 12:54:02,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2282 transitions. [2024-11-07 12:54:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 12:54:02,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:02,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:54:02,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 12:54:02,102 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:02,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:02,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1458726258, now seen corresponding path program 1 times [2024-11-07 12:54:02,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:02,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765103269] [2024-11-07 12:54:02,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:02,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:54:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:54:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:54:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:03,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:54:03,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:03,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765103269] [2024-11-07 12:54:03,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765103269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:03,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:03,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:54:03,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079032013] [2024-11-07 12:54:03,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:03,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:54:03,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:03,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:54:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:54:03,059 INFO L87 Difference]: Start difference. First operand 1665 states and 2282 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:07,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:11,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:13,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:13,130 INFO L93 Difference]: Finished difference Result 1745 states and 2407 transitions. [2024-11-07 12:54:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 12:54:13,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-07 12:54:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:13,137 INFO L225 Difference]: With dead ends: 1745 [2024-11-07 12:54:13,137 INFO L226 Difference]: Without dead ends: 1742 [2024-11-07 12:54:13,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:54:13,138 INFO L432 NwaCegarLoop]: 814 mSDtfsCounter, 906 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 214 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:13,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 1344 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 274 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-07 12:54:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-11-07 12:54:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1664. [2024-11-07 12:54:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1206 states have (on average 1.3159203980099503) internal successors, (1587), 1257 states have internal predecessors, (1587), 350 states have call successors, (350), 110 states have call predecessors, (350), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-07 12:54:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2280 transitions. [2024-11-07 12:54:13,193 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2280 transitions. Word has length 44 [2024-11-07 12:54:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:13,193 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2280 transitions. [2024-11-07 12:54:13,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2280 transitions. [2024-11-07 12:54:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 12:54:13,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:13,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:54:13,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 12:54:13,194 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:13,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:13,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2023818125, now seen corresponding path program 1 times [2024-11-07 12:54:13,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:13,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258180049] [2024-11-07 12:54:13,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:54:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:54:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:14,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:54:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:54:14,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:14,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258180049] [2024-11-07 12:54:14,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258180049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:14,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:14,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:54:14,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396774328] [2024-11-07 12:54:14,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:14,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:54:14,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:14,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:54:14,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:54:14,089 INFO L87 Difference]: Start difference. First operand 1664 states and 2280 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:18,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:22,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:25,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:25,686 INFO L93 Difference]: Finished difference Result 5079 states and 6995 transitions. [2024-11-07 12:54:25,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:54:25,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-07 12:54:25,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:25,699 INFO L225 Difference]: With dead ends: 5079 [2024-11-07 12:54:25,699 INFO L226 Difference]: Without dead ends: 3418 [2024-11-07 12:54:25,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:54:25,703 INFO L432 NwaCegarLoop]: 866 mSDtfsCounter, 988 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 346 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 2106 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:25,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 2106 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 524 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-07 12:54:25,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2024-11-07 12:54:25,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3252. [2024-11-07 12:54:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2368 states have (on average 1.3163006756756757) internal successors, (3117), 2466 states have internal predecessors, (3117), 671 states have call successors, (671), 218 states have call predecessors, (671), 212 states have return successors, (662), 635 states have call predecessors, (662), 662 states have call successors, (662) [2024-11-07 12:54:25,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4450 transitions. [2024-11-07 12:54:25,808 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4450 transitions. Word has length 45 [2024-11-07 12:54:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:25,809 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4450 transitions. [2024-11-07 12:54:25,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4450 transitions. [2024-11-07 12:54:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 12:54:25,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:25,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:54:25,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 12:54:25,810 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:25,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:25,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1686450831, now seen corresponding path program 1 times [2024-11-07 12:54:25,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:25,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339229220] [2024-11-07 12:54:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:54:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:54:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:54:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:54:26,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:26,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339229220] [2024-11-07 12:54:26,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339229220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:26,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:26,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:54:26,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115597229] [2024-11-07 12:54:26,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:26,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:54:26,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:26,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:54:26,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:54:26,725 INFO L87 Difference]: Start difference. First operand 3252 states and 4450 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:30,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:34,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:37,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:37,161 INFO L93 Difference]: Finished difference Result 3459 states and 4735 transitions. [2024-11-07 12:54:37,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:54:37,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-07 12:54:37,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:37,176 INFO L225 Difference]: With dead ends: 3459 [2024-11-07 12:54:37,176 INFO L226 Difference]: Without dead ends: 3404 [2024-11-07 12:54:37,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:54:37,180 INFO L432 NwaCegarLoop]: 810 mSDtfsCounter, 864 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 214 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:37,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 1379 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 309 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2024-11-07 12:54:37,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2024-11-07 12:54:37,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3227. [2024-11-07 12:54:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2354 states have (on average 1.312659303313509) internal successors, (3090), 2448 states have internal predecessors, (3090), 656 states have call successors, (656), 222 states have call predecessors, (656), 216 states have return successors, (649), 624 states have call predecessors, (649), 649 states have call successors, (649) [2024-11-07 12:54:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4395 transitions. [2024-11-07 12:54:37,295 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4395 transitions. Word has length 46 [2024-11-07 12:54:37,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:37,295 INFO L471 AbstractCegarLoop]: Abstraction has 3227 states and 4395 transitions. [2024-11-07 12:54:37,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 12:54:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4395 transitions. [2024-11-07 12:54:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 12:54:37,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:37,299 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:54:37,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 12:54:37,299 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:37,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -838290608, now seen corresponding path program 1 times [2024-11-07 12:54:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071889287] [2024-11-07 12:54:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 12:54:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 12:54:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:54:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 12:54:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 12:54:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 12:54:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 12:54:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:54:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 12:54:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 12:54:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-07 12:54:38,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:38,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071889287] [2024-11-07 12:54:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071889287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:38,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:38,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:54:38,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204167359] [2024-11-07 12:54:38,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:38,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:54:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:38,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:54:38,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:54:38,277 INFO L87 Difference]: Start difference. First operand 3227 states and 4395 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 12:54:42,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:54:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:54:46,557 INFO L93 Difference]: Finished difference Result 8565 states and 11733 transitions. [2024-11-07 12:54:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:54:46,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 151 [2024-11-07 12:54:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:54:46,578 INFO L225 Difference]: With dead ends: 8565 [2024-11-07 12:54:46,579 INFO L226 Difference]: Without dead ends: 5341 [2024-11-07 12:54:46,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:54:46,588 INFO L432 NwaCegarLoop]: 1239 mSDtfsCounter, 709 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 192 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:54:46,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2731 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 665 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2024-11-07 12:54:46,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5341 states. [2024-11-07 12:54:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5341 to 5115. [2024-11-07 12:54:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3768 states have (on average 1.32776008492569) internal successors, (5003), 3891 states have internal predecessors, (5003), 1007 states have call successors, (1007), 345 states have call predecessors, (1007), 339 states have return successors, (1000), 966 states have call predecessors, (1000), 1000 states have call successors, (1000) [2024-11-07 12:54:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7010 transitions. [2024-11-07 12:54:46,867 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7010 transitions. Word has length 151 [2024-11-07 12:54:46,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:54:46,867 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7010 transitions. [2024-11-07 12:54:46,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 12:54:46,868 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7010 transitions. [2024-11-07 12:54:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 12:54:46,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:54:46,876 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 12:54:46,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 12:54:46,877 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:54:46,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:54:46,878 INFO L85 PathProgramCache]: Analyzing trace with hash 606680510, now seen corresponding path program 1 times [2024-11-07 12:54:46,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:54:46,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147498769] [2024-11-07 12:54:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:54:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:54:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 12:54:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:54:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:54:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 12:54:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:54:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 12:54:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:54:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 12:54:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:54:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 12:54:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 12:54:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 12:54:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:54:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 12:54:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:54:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-07 12:54:48,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:54:48,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147498769] [2024-11-07 12:54:48,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147498769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:54:48,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:54:48,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 12:54:48,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351554419] [2024-11-07 12:54:48,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:54:48,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 12:54:48,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:54:48,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 12:54:48,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:54:48,314 INFO L87 Difference]: Start difference. First operand 5115 states and 7010 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)