./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '5bdb144d16ce690b0c83c76766410e2201d517c4cbaa861cb0d7e2bbbb9cb236'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5bdb144d16ce690b0c83c76766410e2201d517c4cbaa861cb0d7e2bbbb9cb236 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:19:59,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:19:59,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:19:59,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:19:59,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:19:59,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:19:59,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:19:59,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:19:59,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:19:59,620 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:19:59,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:19:59,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:19:59,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:19:59,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:19:59,621 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:19:59,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:19:59,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:19:59,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:19:59,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:19:59,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:19:59,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:19:59,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:19:59,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:19:59,624 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 -> 5bdb144d16ce690b0c83c76766410e2201d517c4cbaa861cb0d7e2bbbb9cb236 [2024-11-07 13:19:59,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:19:59,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:19:59,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:19:59,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:19:59,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:19:59,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-11-07 13:20:01,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:20:01,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:20:01,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-11-07 13:20:01,768 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e3c0c4ca8/f5d9ce5d4e684c7995ba31f24d483b5e/FLAGc580a6a40 [2024-11-07 13:20:01,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e3c0c4ca8/f5d9ce5d4e684c7995ba31f24d483b5e [2024-11-07 13:20:01,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:20:01,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:20:01,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:20:01,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:20:01,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:20:01,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:01" (1/1) ... [2024-11-07 13:20:01,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29728710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:01, skipping insertion in model container [2024-11-07 13:20:01,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:01" (1/1) ... [2024-11-07 13:20:01,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:20:02,890 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2024-11-07 13:20:02,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:20:03,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:20:03,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3376] [2024-11-07 13:20:03,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3384-3385] [2024-11-07 13:20:03,136 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; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3393-3394] [2024-11-07 13:20:03,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3402-3403] [2024-11-07 13:20:03,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3421] [2024-11-07 13:20:03,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3424] [2024-11-07 13:20:03,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3427] [2024-11-07 13:20:03,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3430] [2024-11-07 13:20:03,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3451] [2024-11-07 13:20:03,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3454] [2024-11-07 13:20:03,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3457] [2024-11-07 13:20:03,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3460] [2024-11-07 13:20:03,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2024-11-07 13:20:03,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:20:03,393 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:20:03,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03 WrapperNode [2024-11-07 13:20:03,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:20:03,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:20:03,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:20:03,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:20:03,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,609 INFO L138 Inliner]: procedures = 224, calls = 1326, calls flagged for inlining = 80, calls inlined = 75, statements flattened = 3233 [2024-11-07 13:20:03,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:20:03,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:20:03,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:20:03,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:20:03,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,662 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,840 INFO L175 MemorySlicer]: Split 824 memory accesses to 20 slices as follows [2, 5, 5, 29, 15, 15, 26, 1, 1, 3, 5, 8, 647, 6, 16, 3, 12, 14, 8, 3]. 79 percent of accesses are in the largest equivalence class. The 518 initializations are split as follows [2, 5, 5, 0, 8, 8, 0, 0, 0, 3, 5, 8, 451, 6, 0, 3, 0, 3, 8, 3]. The 150 writes are split as follows [0, 0, 0, 29, 3, 0, 26, 0, 1, 0, 0, 0, 63, 0, 16, 0, 2, 10, 0, 0]. [2024-11-07 13:20:03,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:03,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:04,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:04,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:20:04,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:20:04,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:20:04,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:20:04,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (1/1) ... [2024-11-07 13:20:04,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:20:04,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:20:04,084 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 13:20:04,088 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 13:20:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2024-11-07 13:20:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2024-11-07 13:20:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2024-11-07 13:20:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2024-11-07 13:20:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:20:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:20:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:20:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:20:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:20:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:20:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:20:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:20:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 13:20:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 13:20:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 13:20:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-07 13:20:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-07 13:20:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-07 13:20:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:20:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:20:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-07 13:20:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-07 13:20:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2024-11-07 13:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2024-11-07 13:20:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2024-11-07 13:20:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2024-11-07 13:20:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-07 13:20:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-07 13:20:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-07 13:20:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-07 13:20:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2024-11-07 13:20:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:20:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 13:20:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 13:20:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 13:20:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 13:20:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 13:20:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 13:20:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2024-11-07 13:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:20:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2024-11-07 13:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 13:20:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2024-11-07 13:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2024-11-07 13:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-07 13:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:20:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:20:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 13:20:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 13:20:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-07 13:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-07 13:20:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 13:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 13:20:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-07 13:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-07 13:20:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2024-11-07 13:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2024-11-07 13:20:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2024-11-07 13:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-07 13:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-07 13:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-07 13:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-07 13:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-07 13:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-07 13:20:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-07 13:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-07 13:20:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:20:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 13:20:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 13:20:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 13:20:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 13:20:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 13:20:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 13:20:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2024-11-07 13:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-07 13:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-07 13:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2024-11-07 13:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2024-11-07 13:20:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-07 13:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-07 13:20:04,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:20:04,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:20:04,878 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:20:13,173 INFO L? ?]: Removed 1075 outVars from TransFormulas that were not future-live. [2024-11-07 13:20:13,173 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:20:13,214 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:20:13,218 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 13:20:13,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:13 BoogieIcfgContainer [2024-11-07 13:20:13,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:20:13,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:20:13,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:20:13,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:20:13,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:20:01" (1/3) ... [2024-11-07 13:20:13,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e8e1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:20:13, skipping insertion in model container [2024-11-07 13:20:13,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:03" (2/3) ... [2024-11-07 13:20:13,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e8e1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:20:13, skipping insertion in model container [2024-11-07 13:20:13,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:13" (3/3) ... [2024-11-07 13:20:13,232 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-11-07 13:20:13,245 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:20:13,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:20:13,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:20:13,347 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;@3c32ede6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:20:13,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:20:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 996 states, 733 states have (on average 1.3806275579809004) internal successors, (1012), 757 states have internal predecessors, (1012), 205 states have call successors, (205), 57 states have call predecessors, (205), 56 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-07 13:20:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 13:20:13,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:20:13,387 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:13,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:20:13,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:20:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash -419090187, now seen corresponding path program 1 times [2024-11-07 13:20:13,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:20:13,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206512857] [2024-11-07 13:20:13,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:20:13,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:20:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:20:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:20:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:20:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:20:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 13:20:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:20:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 13:20:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:20:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 13:20:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 13:20:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 13:20:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 13:20:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 13:20:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 13:20:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:15,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 13:20:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-07 13:20:16,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:20:16,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206512857] [2024-11-07 13:20:16,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206512857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:20:16,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:20:16,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 13:20:16,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33779458] [2024-11-07 13:20:16,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:20:16,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 13:20:16,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:20:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 13:20:16,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:20:16,046 INFO L87 Difference]: Start difference. First operand has 996 states, 733 states have (on average 1.3806275579809004) internal successors, (1012), 757 states have internal predecessors, (1012), 205 states have call successors, (205), 57 states have call predecessors, (205), 56 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 13:20:20,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:20:24,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:20:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:20:27,830 INFO L93 Difference]: Finished difference Result 2046 states and 2963 transitions. [2024-11-07 13:20:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:20:27,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 180 [2024-11-07 13:20:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:20:27,853 INFO L225 Difference]: With dead ends: 2046 [2024-11-07 13:20:27,854 INFO L226 Difference]: Without dead ends: 1043 [2024-11-07 13:20:27,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:20:27,877 INFO L432 NwaCegarLoop]: 715 mSDtfsCounter, 1257 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 739 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-07 13:20:27,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 1665 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [739 Valid, 1290 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-07 13:20:27,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2024-11-07 13:20:27,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 984. [2024-11-07 13:20:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 728 states have (on average 1.3653846153846154) internal successors, (994), 745 states have internal predecessors, (994), 200 states have call successors, (200), 56 states have call predecessors, (200), 55 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-07 13:20:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1385 transitions. [2024-11-07 13:20:28,003 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1385 transitions. Word has length 180 [2024-11-07 13:20:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:20:28,004 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1385 transitions. [2024-11-07 13:20:28,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 13:20:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1385 transitions. [2024-11-07 13:20:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 13:20:28,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:20:28,008 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:28,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:20:28,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:20:28,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:20:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1828818687, now seen corresponding path program 1 times [2024-11-07 13:20:28,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:20:28,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884618536] [2024-11-07 13:20:28,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:20:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:20:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:20:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:20:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:20:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:20:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:29,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 13:20:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:20:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 13:20:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:20:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 13:20:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 13:20:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 13:20:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 13:20:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 13:20:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 13:20:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 13:20:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-07 13:20:30,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:20:30,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884618536] [2024-11-07 13:20:30,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884618536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:20:30,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:20:30,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 13:20:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661938343] [2024-11-07 13:20:30,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:20:30,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 13:20:30,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:20:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 13:20:30,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:20:30,258 INFO L87 Difference]: Start difference. First operand 984 states and 1385 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 13:20:34,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:20:38,342 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 13:20:47,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:20:47,735 INFO L93 Difference]: Finished difference Result 2989 states and 4233 transitions. [2024-11-07 13:20:47,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 13:20:47,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 180 [2024-11-07 13:20:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:20:47,756 INFO L225 Difference]: With dead ends: 2989 [2024-11-07 13:20:47,756 INFO L226 Difference]: Without dead ends: 2043 [2024-11-07 13:20:47,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 13:20:47,764 INFO L432 NwaCegarLoop]: 760 mSDtfsCounter, 3041 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 3357 mSolverCounterSat, 1160 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 3424 SdHoareTripleChecker+Invalid, 4519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1160 IncrementalHoareTripleChecker+Valid, 3357 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-07 13:20:47,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3180 Valid, 3424 Invalid, 4519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1160 Valid, 3357 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2024-11-07 13:20:47,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-11-07 13:20:47,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1911. [2024-11-07 13:20:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1425 states have (on average 1.3691228070175439) internal successors, (1951), 1452 states have internal predecessors, (1951), 376 states have call successors, (376), 110 states have call predecessors, (376), 109 states have return successors, (367), 366 states have call predecessors, (367), 367 states have call successors, (367) [2024-11-07 13:20:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2694 transitions. [2024-11-07 13:20:47,901 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2694 transitions. Word has length 180 [2024-11-07 13:20:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:20:47,902 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2694 transitions. [2024-11-07 13:20:47,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 13:20:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2694 transitions. [2024-11-07 13:20:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 13:20:47,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:20:47,908 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:47,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:20:47,908 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:20:47,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:20:47,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1561543352, now seen corresponding path program 1 times [2024-11-07 13:20:47,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:20:47,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241414161] [2024-11-07 13:20:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:20:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:20:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:20:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:20:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:20:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:20:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 13:20:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:20:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:20:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:20:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 13:20:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:20:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 13:20:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 13:20:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 13:20:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 13:20:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 13:20:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 13:20:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 13:20:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:20:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-07 13:20:49,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:20:49,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241414161] [2024-11-07 13:20:49,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241414161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:20:49,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:20:49,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 13:20:49,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643579500] [2024-11-07 13:20:49,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:20:49,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 13:20:49,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:20:49,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 13:20:49,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:20:49,901 INFO L87 Difference]: Start difference. First operand 1911 states and 2694 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-07 13:20:53,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:20:57,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:21:05,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:21:05,598 INFO L93 Difference]: Finished difference Result 3919 states and 5548 transitions. [2024-11-07 13:21:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 13:21:05,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 181 [2024-11-07 13:21:05,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:21:05,612 INFO L225 Difference]: With dead ends: 3919 [2024-11-07 13:21:05,612 INFO L226 Difference]: Without dead ends: 2046 [2024-11-07 13:21:05,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-07 13:21:05,619 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 2386 mSDsluCounter, 2118 mSDsCounter, 0 mSdLazyCounter, 2900 mSolverCounterSat, 992 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 2816 SdHoareTripleChecker+Invalid, 3894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 992 IncrementalHoareTripleChecker+Valid, 2900 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-07 13:21:05,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 2816 Invalid, 3894 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [992 Valid, 2900 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2024-11-07 13:21:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2024-11-07 13:21:05,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1919. [2024-11-07 13:21:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1433 states have (on average 1.3670621074668527) internal successors, (1959), 1460 states have internal predecessors, (1959), 376 states have call successors, (376), 110 states have call predecessors, (376), 109 states have return successors, (367), 366 states have call predecessors, (367), 367 states have call successors, (367) [2024-11-07 13:21:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2702 transitions. [2024-11-07 13:21:05,733 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2702 transitions. Word has length 181 [2024-11-07 13:21:05,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:21:05,734 INFO L471 AbstractCegarLoop]: Abstraction has 1919 states and 2702 transitions. [2024-11-07 13:21:05,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-07 13:21:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2702 transitions. [2024-11-07 13:21:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-07 13:21:05,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:21:05,739 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:21:05,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:21:05,739 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:21:05,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:21:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash 296208886, now seen corresponding path program 1 times [2024-11-07 13:21:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:21:05,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537263629] [2024-11-07 13:21:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:21:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:21:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:21:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:21:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:21:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:21:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 13:21:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:21:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 13:21:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:21:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 13:21:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 13:21:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 13:21:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 13:21:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 13:21:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 13:21:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 13:21:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 13:21:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-07 13:21:07,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:21:07,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537263629] [2024-11-07 13:21:07,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537263629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:21:07,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:21:07,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:21:07,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611099995] [2024-11-07 13:21:07,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:21:07,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:21:07,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:21:07,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:21:07,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:21:07,408 INFO L87 Difference]: Start difference. First operand 1919 states and 2702 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 13:21:11,479 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 13:21:15,503 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 13:21:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:21:19,158 INFO L93 Difference]: Finished difference Result 4473 states and 6269 transitions. [2024-11-07 13:21:19,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 13:21:19,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 184 [2024-11-07 13:21:19,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:21:19,172 INFO L225 Difference]: With dead ends: 4473 [2024-11-07 13:21:19,172 INFO L226 Difference]: Without dead ends: 2592 [2024-11-07 13:21:19,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 13:21:19,178 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 1525 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 648 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-07 13:21:19,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 2584 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 2477 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-07 13:21:19,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2024-11-07 13:21:19,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 2406. [2024-11-07 13:21:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 1806 states have (on average 1.3654485049833887) internal successors, (2466), 1837 states have internal predecessors, (2466), 445 states have call successors, (445), 155 states have call predecessors, (445), 154 states have return successors, (436), 433 states have call predecessors, (436), 436 states have call successors, (436) [2024-11-07 13:21:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3347 transitions. [2024-11-07 13:21:19,330 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3347 transitions. Word has length 184 [2024-11-07 13:21:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:21:19,331 INFO L471 AbstractCegarLoop]: Abstraction has 2406 states and 3347 transitions. [2024-11-07 13:21:19,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 13:21:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3347 transitions. [2024-11-07 13:21:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 13:21:19,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:21:19,334 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:21:19,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 13:21:19,334 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:21:19,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:21:19,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1440409602, now seen corresponding path program 1 times [2024-11-07 13:21:19,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:21:19,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990059498] [2024-11-07 13:21:19,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:21:19,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:21:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:21:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:21:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:21:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:21:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 13:21:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:21:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:21:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:21:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 13:21:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:21:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 13:21:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 13:21:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 13:21:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 13:21:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 13:21:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 13:21:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 13:21:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 13:21:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-07 13:21:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 13:21:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:21:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-07 13:21:20,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:21:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990059498] [2024-11-07 13:21:20,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990059498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:21:20,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:21:20,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 13:21:20,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921670933] [2024-11-07 13:21:20,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:21:20,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 13:21:20,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:21:20,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 13:21:20,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:21:20,816 INFO L87 Difference]: Start difference. First operand 2406 states and 3347 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)