./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:49:59,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:49:59,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:49:59,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:49:59,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:49:59,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:49:59,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:49:59,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:49:59,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:49:59,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:49:59,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:49:59,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:49:59,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:49:59,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:49:59,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:49:59,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:49:59,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:49:59,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:49:59,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:49:59,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:49:59,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:49:59,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:49:59,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:49:59,861 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 -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2024-11-07 12:50:00,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:50:00,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:50:00,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:50:00,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:50:00,120 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:50:00,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-07 12:50:01,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:50:01,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:50:01,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-07 12:50:01,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bb3b6481/4b3ac4a6c9e54de5984a808c285c7172/FLAGa7fec7af5 [2024-11-07 12:50:01,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bb3b6481/4b3ac4a6c9e54de5984a808c285c7172 [2024-11-07 12:50:01,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:50:01,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:50:01,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:50:01,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:50:01,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:50:01,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:50:01" (1/1) ... [2024-11-07 12:50:01,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10177822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:01, skipping insertion in model container [2024-11-07 12:50:01,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:50:01" (1/1) ... [2024-11-07 12:50:01,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:50:02,894 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-11-07 12:50:02,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:50:03,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:50:03,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2024-11-07 12:50:03,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:50:03,328 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:50:03,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03 WrapperNode [2024-11-07 12:50:03,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:50:03,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:50:03,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:50:03,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:50:03,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,541 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4507 [2024-11-07 12:50:03,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:50:03,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:50:03,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:50:03,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:50:03,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,753 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [2, 20, 13, 2, 13, 2, 9, 6, 5, 2, 14, 33, 7, 4, 6, 13, 24, 138, 2639]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [2, 20, 13, 0, 13, 0, 0, 6, 5, 0, 14, 24, 4, 4, 0, 0, 0, 0, 2420]. The 294 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 9, 24, 136, 120]. [2024-11-07 12:50:03,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:50:03,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:50:03,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:50:03,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:50:03,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (1/1) ... [2024-11-07 12:50:03,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:50:03,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:04,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:50:04,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2024-11-07 12:50:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-07 12:50:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-07 12:50:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2024-11-07 12:50:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-07 12:50:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-07 12:50:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 12:50:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2024-11-07 12:50:04,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2024-11-07 12:50:04,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 12:50:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 12:50:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 12:50:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 12:50:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:50:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 12:50:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-07 12:50:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 12:50:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-07 12:50:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-07 12:50:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-07 12:50:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-07 12:50:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-07 12:50:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 12:50:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 12:50:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-07 12:50:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2024-11-07 12:50:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2024-11-07 12:50:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 12:50:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-07 12:50:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2024-11-07 12:50:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 12:50:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2024-11-07 12:50:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2024-11-07 12:50:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2024-11-07 12:50:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:50:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:50:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:50:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:50:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 12:50:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 12:50:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 12:50:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 12:50:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 12:50:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 12:50:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 12:50:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 12:50:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 12:50:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 12:50:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2024-11-07 12:50:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-07 12:50:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-07 12:50:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-07 12:50:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-07 12:50:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:50:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:50:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2024-11-07 12:50:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2024-11-07 12:50:04,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:50:04,544 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:50:17,586 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2024-11-07 12:50:17,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:50:17,619 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:50:17,620 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-07 12:50:17,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:50:17 BoogieIcfgContainer [2024-11-07 12:50:17,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:50:17,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:50:17,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:50:17,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:50:17,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:50:01" (1/3) ... [2024-11-07 12:50:17,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5527fec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:50:17, skipping insertion in model container [2024-11-07 12:50:17,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:03" (2/3) ... [2024-11-07 12:50:17,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5527fec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:50:17, skipping insertion in model container [2024-11-07 12:50:17,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:50:17" (3/3) ... [2024-11-07 12:50:17,630 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2024-11-07 12:50:17,644 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:50:17,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:50:17,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:50:17,721 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;@2c9facae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:50:17,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:50:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 847 states, 628 states have (on average 1.3853503184713376) internal successors, (870), 652 states have internal predecessors, (870), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) [2024-11-07 12:50:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 12:50:17,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:17,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:17,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:17,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:17,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1404934093, now seen corresponding path program 1 times [2024-11-07 12:50:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:17,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910011306] [2024-11-07 12:50:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:20,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:20,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910011306] [2024-11-07 12:50:20,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910011306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:20,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:20,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:50:20,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060186205] [2024-11-07 12:50:20,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:20,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:20,463 INFO L87 Difference]: Start difference. First operand has 847 states, 628 states have (on average 1.3853503184713376) internal successors, (870), 652 states have internal predecessors, (870), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:50:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:20,856 INFO L93 Difference]: Finished difference Result 2432 states and 3593 transitions. [2024-11-07 12:50:20,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-07 12:50:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:20,879 INFO L225 Difference]: With dead ends: 2432 [2024-11-07 12:50:20,879 INFO L226 Difference]: Without dead ends: 1580 [2024-11-07 12:50:20,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:20,891 INFO L432 NwaCegarLoop]: 1174 mSDtfsCounter, 1073 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:20,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 2325 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 12:50:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-11-07 12:50:21,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1568. [2024-11-07 12:50:21,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1163 states have (on average 1.3766122098022355) internal successors, (1601), 1195 states have internal predecessors, (1601), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-07 12:50:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2231 transitions. [2024-11-07 12:50:21,030 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2231 transitions. Word has length 16 [2024-11-07 12:50:21,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:21,032 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2231 transitions. [2024-11-07 12:50:21,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:50:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2231 transitions. [2024-11-07 12:50:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 12:50:21,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:21,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:21,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:50:21,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:21,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:21,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1151905802, now seen corresponding path program 1 times [2024-11-07 12:50:21,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:21,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753335832] [2024-11-07 12:50:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:23,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:23,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753335832] [2024-11-07 12:50:23,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753335832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:23,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:23,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 12:50:23,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76488906] [2024-11-07 12:50:23,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:23,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:23,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:23,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:23,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:23,381 INFO L87 Difference]: Start difference. First operand 1568 states and 2231 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:50:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:23,453 INFO L93 Difference]: Finished difference Result 3133 states and 4459 transitions. [2024-11-07 12:50:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:23,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-07 12:50:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:23,466 INFO L225 Difference]: With dead ends: 3133 [2024-11-07 12:50:23,466 INFO L226 Difference]: Without dead ends: 1568 [2024-11-07 12:50:23,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:23,473 INFO L432 NwaCegarLoop]: 1169 mSDtfsCounter, 1160 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:23,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1169 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:50:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2024-11-07 12:50:23,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2024-11-07 12:50:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1163 states have (on average 1.3748925193465176) internal successors, (1599), 1195 states have internal predecessors, (1599), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-07 12:50:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2229 transitions. [2024-11-07 12:50:23,534 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2229 transitions. Word has length 18 [2024-11-07 12:50:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:23,535 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2229 transitions. [2024-11-07 12:50:23,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 12:50:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2229 transitions. [2024-11-07 12:50:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 12:50:23,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:23,540 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:23,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:50:23,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:23,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:23,540 INFO L85 PathProgramCache]: Analyzing trace with hash -403909736, now seen corresponding path program 1 times [2024-11-07 12:50:23,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:23,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249694708] [2024-11-07 12:50:23,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:23,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:50:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:25,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:25,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249694708] [2024-11-07 12:50:25,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249694708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:25,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:25,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:50:25,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047014846] [2024-11-07 12:50:25,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:25,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:25,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:25,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:25,870 INFO L87 Difference]: Start difference. First operand 1568 states and 2229 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:29,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:50:30,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:30,155 INFO L93 Difference]: Finished difference Result 4319 states and 6136 transitions. [2024-11-07 12:50:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:30,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-07 12:50:30,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:30,176 INFO L225 Difference]: With dead ends: 4319 [2024-11-07 12:50:30,176 INFO L226 Difference]: Without dead ends: 2754 [2024-11-07 12:50:30,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:30,188 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1126 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:30,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 2202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:50:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2024-11-07 12:50:30,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2728. [2024-11-07 12:50:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 1989 states have (on average 1.3740573152337858) internal successors, (2733), 2046 states have internal predecessors, (2733), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-11-07 12:50:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3877 transitions. [2024-11-07 12:50:30,305 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3877 transitions. Word has length 21 [2024-11-07 12:50:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:30,306 INFO L471 AbstractCegarLoop]: Abstraction has 2728 states and 3877 transitions. [2024-11-07 12:50:30,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3877 transitions. [2024-11-07 12:50:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 12:50:30,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:30,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:30,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 12:50:30,309 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:30,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:30,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2024172371, now seen corresponding path program 1 times [2024-11-07 12:50:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:30,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929657978] [2024-11-07 12:50:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:30,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 12:50:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:32,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:32,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929657978] [2024-11-07 12:50:32,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929657978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:32,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:32,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:50:32,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621909827] [2024-11-07 12:50:32,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:32,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:32,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:32,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:32,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:32,798 INFO L87 Difference]: Start difference. First operand 2728 states and 3877 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:33,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:33,046 INFO L93 Difference]: Finished difference Result 5473 states and 7781 transitions. [2024-11-07 12:50:33,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:33,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-07 12:50:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:33,064 INFO L225 Difference]: With dead ends: 5473 [2024-11-07 12:50:33,064 INFO L226 Difference]: Without dead ends: 2748 [2024-11-07 12:50:33,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:33,075 INFO L432 NwaCegarLoop]: 1166 mSDtfsCounter, 13 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:33,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2329 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 12:50:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2024-11-07 12:50:33,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2730. [2024-11-07 12:50:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 1991 states have (on average 1.3736815670517328) internal successors, (2735), 2048 states have internal predecessors, (2735), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-11-07 12:50:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3879 transitions. [2024-11-07 12:50:33,180 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3879 transitions. Word has length 30 [2024-11-07 12:50:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:33,180 INFO L471 AbstractCegarLoop]: Abstraction has 2730 states and 3879 transitions. [2024-11-07 12:50:33,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3879 transitions. [2024-11-07 12:50:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 12:50:33,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:33,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:33,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 12:50:33,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:33,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1331255020, now seen corresponding path program 1 times [2024-11-07 12:50:33,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:33,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431420874] [2024-11-07 12:50:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:33,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:35,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:35,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431420874] [2024-11-07 12:50:35,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431420874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:35,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543177666] [2024-11-07 12:50:35,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:35,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:35,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:35,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:50:35,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 12:50:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:39,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 6659 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 12:50:39,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:50:39,063 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:39,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543177666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:39,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:39,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 12:50:39,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590105704] [2024-11-07 12:50:39,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:39,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:39,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:39,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:39,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:39,064 INFO L87 Difference]: Start difference. First operand 2730 states and 3879 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:39,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:39,254 INFO L93 Difference]: Finished difference Result 5491 states and 7809 transitions. [2024-11-07 12:50:39,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:39,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-07 12:50:39,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:39,270 INFO L225 Difference]: With dead ends: 5491 [2024-11-07 12:50:39,271 INFO L226 Difference]: Without dead ends: 2764 [2024-11-07 12:50:39,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:39,280 INFO L432 NwaCegarLoop]: 1167 mSDtfsCounter, 15 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:39,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2326 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:50:39,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2024-11-07 12:50:39,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2734. [2024-11-07 12:50:39,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 1995 states have (on average 1.3729323308270676) internal successors, (2739), 2052 states have internal predecessors, (2739), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2024-11-07 12:50:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3883 transitions. [2024-11-07 12:50:39,375 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3883 transitions. Word has length 34 [2024-11-07 12:50:39,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:39,376 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 3883 transitions. [2024-11-07 12:50:39,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3883 transitions. [2024-11-07 12:50:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 12:50:39,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:39,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:39,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 12:50:39,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:39,582 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:39,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:39,582 INFO L85 PathProgramCache]: Analyzing trace with hash 419653563, now seen corresponding path program 1 times [2024-11-07 12:50:39,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:39,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44113955] [2024-11-07 12:50:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:39,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:42,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:50:42,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44113955] [2024-11-07 12:50:42,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44113955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347790021] [2024-11-07 12:50:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:42,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:42,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:50:42,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 12:50:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:45,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 6678 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:45,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 12:50:45,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:45,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347790021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:45,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:45,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 12:50:45,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949368441] [2024-11-07 12:50:45,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:45,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:45,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:45,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:45,957 INFO L87 Difference]: Start difference. First operand 2734 states and 3883 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:46,213 INFO L93 Difference]: Finished difference Result 8148 states and 11567 transitions. [2024-11-07 12:50:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:46,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-07 12:50:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:46,245 INFO L225 Difference]: With dead ends: 8148 [2024-11-07 12:50:46,246 INFO L226 Difference]: Without dead ends: 5417 [2024-11-07 12:50:46,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:46,261 INFO L432 NwaCegarLoop]: 1476 mSDtfsCounter, 1134 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 2624 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:46,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 2624 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:50:46,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2024-11-07 12:50:46,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 4213. [2024-11-07 12:50:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4213 states, 3094 states have (on average 1.3713639301874596) internal successors, (4243), 3177 states have internal predecessors, (4243), 869 states have call successors, (869), 250 states have call predecessors, (869), 249 states have return successors, (863), 833 states have call predecessors, (863), 863 states have call successors, (863) [2024-11-07 12:50:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 5975 transitions. [2024-11-07 12:50:46,497 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 5975 transitions. Word has length 38 [2024-11-07 12:50:46,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:46,497 INFO L471 AbstractCegarLoop]: Abstraction has 4213 states and 5975 transitions. [2024-11-07 12:50:46,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 12:50:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 5975 transitions. [2024-11-07 12:50:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 12:50:46,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:46,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:46,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 12:50:46,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:46,701 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:46,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:46,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1400130688, now seen corresponding path program 1 times [2024-11-07 12:50:46,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:46,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229026903] [2024-11-07 12:50:46,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:46,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:49,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:50:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:49,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:49,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229026903] [2024-11-07 12:50:49,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229026903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:49,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73462987] [2024-11-07 12:50:49,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:49,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:49,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:49,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:50:49,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 12:50:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:52,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 6734 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:52,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:50:52,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:52,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73462987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:52,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:52,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 12:50:52,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142837436] [2024-11-07 12:50:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:52,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:52,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:52,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:52,904 INFO L87 Difference]: Start difference. First operand 4213 states and 5975 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 12:50:53,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:53,043 INFO L93 Difference]: Finished difference Result 8453 states and 11997 transitions. [2024-11-07 12:50:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:53,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-07 12:50:53,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:53,072 INFO L225 Difference]: With dead ends: 8453 [2024-11-07 12:50:53,073 INFO L226 Difference]: Without dead ends: 4243 [2024-11-07 12:50:53,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:53,089 INFO L432 NwaCegarLoop]: 1167 mSDtfsCounter, 21 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2317 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:53,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2317 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:50:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2024-11-07 12:50:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 4243. [2024-11-07 12:50:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4243 states, 3118 states have (on average 1.371712636305324) internal successors, (4277), 3201 states have internal predecessors, (4277), 875 states have call successors, (875), 250 states have call predecessors, (875), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-11-07 12:50:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6021 transitions. [2024-11-07 12:50:53,253 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6021 transitions. Word has length 39 [2024-11-07 12:50:53,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:53,254 INFO L471 AbstractCegarLoop]: Abstraction has 4243 states and 6021 transitions. [2024-11-07 12:50:53,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 12:50:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6021 transitions. [2024-11-07 12:50:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 12:50:53,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:53,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:53,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 12:50:53,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:53,461 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:53,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:53,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1892238975, now seen corresponding path program 1 times [2024-11-07 12:50:53,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:53,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336860496] [2024-11-07 12:50:53,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:56,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:50:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:56,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:50:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:56,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:56,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336860496] [2024-11-07 12:50:56,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336860496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:56,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33889063] [2024-11-07 12:50:56,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:56,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:56,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:56,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:50:56,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 12:50:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:59,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:59,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:51:00,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:00,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33889063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:00,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:00,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:51:00,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99928944] [2024-11-07 12:51:00,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:00,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:00,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:00,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:00,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:00,189 INFO L87 Difference]: Start difference. First operand 4243 states and 6021 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 12:51:04,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:51:04,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:04,438 INFO L93 Difference]: Finished difference Result 4245 states and 6022 transitions. [2024-11-07 12:51:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:04,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-07 12:51:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:04,468 INFO L225 Difference]: With dead ends: 4245 [2024-11-07 12:51:04,468 INFO L226 Difference]: Without dead ends: 4242 [2024-11-07 12:51:04,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:04,472 INFO L432 NwaCegarLoop]: 1167 mSDtfsCounter, 1121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:04,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1167 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:51:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2024-11-07 12:51:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 4242. [2024-11-07 12:51:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4242 states, 3118 states have (on average 1.3713919178960872) internal successors, (4276), 3200 states have internal predecessors, (4276), 874 states have call successors, (874), 250 states have call predecessors, (874), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-11-07 12:51:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 6019 transitions. [2024-11-07 12:51:04,628 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 6019 transitions. Word has length 50 [2024-11-07 12:51:04,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:04,629 INFO L471 AbstractCegarLoop]: Abstraction has 4242 states and 6019 transitions. [2024-11-07 12:51:04,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 12:51:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 6019 transitions. [2024-11-07 12:51:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 12:51:04,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:04,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:04,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 12:51:04,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-07 12:51:04,835 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:04,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:04,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1469794859, now seen corresponding path program 1 times [2024-11-07 12:51:04,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:04,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853625965] [2024-11-07 12:51:04,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:04,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:51:07,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:07,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853625965] [2024-11-07 12:51:07,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853625965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:07,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745213475] [2024-11-07 12:51:07,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:07,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:07,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:07,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:51:07,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 12:51:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:11,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:51:11,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:51:11,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:11,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745213475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:11,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:11,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:51:11,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568824028] [2024-11-07 12:51:11,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:11,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:11,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:11,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:11,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:11,609 INFO L87 Difference]: Start difference. First operand 4242 states and 6019 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 12:51:15,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:51:15,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:15,947 INFO L93 Difference]: Finished difference Result 4244 states and 6020 transitions. [2024-11-07 12:51:15,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:15,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-07 12:51:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:15,970 INFO L225 Difference]: With dead ends: 4244 [2024-11-07 12:51:15,970 INFO L226 Difference]: Without dead ends: 4241 [2024-11-07 12:51:15,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:15,973 INFO L432 NwaCegarLoop]: 1165 mSDtfsCounter, 1118 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:15,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 1165 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:51:15,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4241 states. [2024-11-07 12:51:16,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4241 to 4241. [2024-11-07 12:51:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4241 states, 3118 states have (on average 1.3710711994868505) internal successors, (4275), 3199 states have internal predecessors, (4275), 873 states have call successors, (873), 250 states have call predecessors, (873), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-11-07 12:51:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 6017 transitions. [2024-11-07 12:51:16,115 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 6017 transitions. Word has length 51 [2024-11-07 12:51:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:16,115 INFO L471 AbstractCegarLoop]: Abstraction has 4241 states and 6017 transitions. [2024-11-07 12:51:16,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 12:51:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 6017 transitions. [2024-11-07 12:51:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 12:51:16,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:16,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:16,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 12:51:16,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:16,319 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:16,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1681333820, now seen corresponding path program 1 times [2024-11-07 12:51:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349621840] [2024-11-07 12:51:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:51:18,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:18,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349621840] [2024-11-07 12:51:18,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349621840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:18,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126723083] [2024-11-07 12:51:18,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:18,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:18,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:18,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:51:18,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 12:51:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 6831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:51:22,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:51:22,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:22,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126723083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:22,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:22,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:51:22,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803416964] [2024-11-07 12:51:22,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:22,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:22,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:22,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:22,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:22,526 INFO L87 Difference]: Start difference. First operand 4241 states and 6017 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 12:51:26,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:51:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:26,722 INFO L93 Difference]: Finished difference Result 4243 states and 6018 transitions. [2024-11-07 12:51:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:26,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-07 12:51:26,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:26,750 INFO L225 Difference]: With dead ends: 4243 [2024-11-07 12:51:26,750 INFO L226 Difference]: Without dead ends: 4240 [2024-11-07 12:51:26,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:26,753 INFO L432 NwaCegarLoop]: 1163 mSDtfsCounter, 1115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:26,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:51:26,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2024-11-07 12:51:26,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 4240. [2024-11-07 12:51:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 3118 states have (on average 1.3707504810776139) internal successors, (4274), 3198 states have internal predecessors, (4274), 872 states have call successors, (872), 250 states have call predecessors, (872), 249 states have return successors, (869), 839 states have call predecessors, (869), 869 states have call successors, (869) [2024-11-07 12:51:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 6015 transitions. [2024-11-07 12:51:26,964 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 6015 transitions. Word has length 52 [2024-11-07 12:51:26,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:26,965 INFO L471 AbstractCegarLoop]: Abstraction has 4240 states and 6015 transitions. [2024-11-07 12:51:26,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 12:51:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 6015 transitions. [2024-11-07 12:51:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 12:51:26,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:26,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:27,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 12:51:27,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 12:51:27,168 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:27,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:27,169 INFO L85 PathProgramCache]: Analyzing trace with hash -582070194, now seen corresponding path program 1 times [2024-11-07 12:51:27,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:27,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645645744] [2024-11-07 12:51:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:27,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:51:29,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:29,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645645744] [2024-11-07 12:51:29,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645645744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:29,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101169015] [2024-11-07 12:51:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:29,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:29,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:29,602 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:51:29,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process