./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--pf.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--pf.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', '65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5'] 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--pf.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 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:50:14,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:50:14,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:50:14,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:50:14,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:50:14,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:50:14,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:50:14,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:50:14,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:50:14,856 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:50:14,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:50:14,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:50:14,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:50:14,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:50:14,858 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:50:14,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:50:14,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:50:14,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:50:14,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:50:14,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:50:14,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:50:14,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:50:14,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:50:14,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:50:14,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:50:14,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:50:14,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:50:14,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:50:14,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:50:14,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:50:14,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:50:14,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:50:14,862 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 -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2024-11-07 12:50:15,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:50:15,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:50:15,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:50:15,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:50:15,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:50:15,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-07 12:50:16,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:50:16,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:50:16,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-07 12:50:16,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/719f08a5d/c32a09c4ab1c44f8afe8a79194672c96/FLAG2ac7fce22 [2024-11-07 12:50:16,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/719f08a5d/c32a09c4ab1c44f8afe8a79194672c96 [2024-11-07 12:50:16,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:50:16,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:50:16,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:50:16,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:50:16,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:50:16,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:50:16" (1/1) ... [2024-11-07 12:50:16,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae05893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:16, skipping insertion in model container [2024-11-07 12:50:16,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:50:16" (1/1) ... [2024-11-07 12:50:16,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:50:17,944 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--pf.ko-main.cil.out.i[138616,138629] [2024-11-07 12:50:18,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:50:18,075 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:50:18,318 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--pf.ko-main.cil.out.i[138616,138629] [2024-11-07 12:50:18,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:50:18,437 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:50:18,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18 WrapperNode [2024-11-07 12:50:18,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:50:18,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:50:18,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:50:18,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:50:18,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,606 INFO L138 Inliner]: procedures = 161, calls = 1531, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1863 [2024-11-07 12:50:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:50:18,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:50:18,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:50:18,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:50:18,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,730 INFO L175 MemorySlicer]: Split 1089 memory accesses to 22 slices as follows [2, 3, 3, 72, 3, 5, 1, 5, 37, 3, 18, 6, 24, 8, 6, 10, 11, 10, 2, 522, 13, 325]. 48 percent of accesses are in the largest equivalence class. The 793 initializations are split as follows [2, 0, 0, 0, 3, 5, 0, 5, 28, 0, 18, 0, 0, 4, 0, 10, 11, 10, 0, 512, 13, 172]. The 195 writes are split as follows [0, 0, 0, 72, 0, 0, 0, 0, 0, 2, 0, 6, 24, 0, 5, 0, 0, 0, 2, 0, 0, 84]. [2024-11-07 12:50:18,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:50:18,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:50:18,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:50:18,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:50:18,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (1/1) ... [2024-11-07 12:50:18,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:50:18,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:18,973 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 12:50:18,979 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 12:50:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-07 12:50:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-07 12:50:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2024-11-07 12:50:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2024-11-07 12:50:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-07 12:50:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-07 12:50:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-07 12:50:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-07 12:50:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-07 12:50:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 12:50:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2024-11-07 12:50:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2024-11-07 12:50:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-07 12:50:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:50:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 12:50:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-07 12:50:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-07 12:50:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 12:50:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 12:50:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2024-11-07 12:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2024-11-07 12:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2024-11-07 12:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-07 12:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-07 12:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 12:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 12:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-07 12:50:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2024-11-07 12:50:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2024-11-07 12:50:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2024-11-07 12:50:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 12:50:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2024-11-07 12:50:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2024-11-07 12:50:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2024-11-07 12:50:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-07 12:50:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 12:50:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-07 12:50:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-07 12:50:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-07 12:50:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 12:50:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 12:50:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-07 12:50:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-07 12:50:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-07 12:50:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-07 12:50:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2024-11-07 12:50:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2024-11-07 12:50:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2024-11-07 12:50:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2024-11-07 12:50:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:50:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2024-11-07 12:50:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:50:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-07 12:50:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-07 12:50:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2024-11-07 12:50:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2024-11-07 12:50:19,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:50:19,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:50:26,737 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2024-11-07 12:50:26,738 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:50:26,764 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:50:26,768 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 12:50:26,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:50:26 BoogieIcfgContainer [2024-11-07 12:50:26,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:50:26,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:50:26,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:50:26,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:50:26,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:50:16" (1/3) ... [2024-11-07 12:50:26,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03ce21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:50:26, skipping insertion in model container [2024-11-07 12:50:26,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:50:18" (2/3) ... [2024-11-07 12:50:26,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03ce21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:50:26, skipping insertion in model container [2024-11-07 12:50:26,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:50:26" (3/3) ... [2024-11-07 12:50:26,779 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2024-11-07 12:50:26,792 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:50:26,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:50:26,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:50:26,878 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;@1c80a36f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:50:26,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:50:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 581 states, 415 states have (on average 1.3493975903614457) internal successors, (560), 429 states have internal predecessors, (560), 128 states have call successors, (128), 38 states have call predecessors, (128), 38 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-07 12:50:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 12:50:26,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:26,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:50:26,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:26,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1454029286, now seen corresponding path program 1 times [2024-11-07 12:50:26,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:26,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880556426] [2024-11-07 12:50:26,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:26,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:50:28,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:28,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880556426] [2024-11-07 12:50:28,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880556426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:28,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:28,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:50:28,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841735008] [2024-11-07 12:50:28,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:28,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:28,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:28,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:28,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:28,793 INFO L87 Difference]: Start difference. First operand has 581 states, 415 states have (on average 1.3493975903614457) internal successors, (560), 429 states have internal predecessors, (560), 128 states have call successors, (128), 38 states have call predecessors, (128), 38 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) 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 12:50:29,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:29,257 INFO L93 Difference]: Finished difference Result 1610 states and 2315 transitions. [2024-11-07 12:50:29,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:29,260 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 12:50:29,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:29,290 INFO L225 Difference]: With dead ends: 1610 [2024-11-07 12:50:29,290 INFO L226 Difference]: Without dead ends: 1024 [2024-11-07 12:50:29,304 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 12:50:29,309 INFO L432 NwaCegarLoop]: 1160 mSDtfsCounter, 628 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:29,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1924 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 12:50:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-07 12:50:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1010. [2024-11-07 12:50:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.3370165745856353) internal successors, (968), 737 states have internal predecessors, (968), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (213), 213 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-07 12:50:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1400 transitions. [2024-11-07 12:50:29,463 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1400 transitions. Word has length 16 [2024-11-07 12:50:29,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:29,463 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1400 transitions. [2024-11-07 12:50:29,464 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 12:50:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1400 transitions. [2024-11-07 12:50:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 12:50:29,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:29,465 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 12:50:29,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:50:29,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:29,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:29,467 INFO L85 PathProgramCache]: Analyzing trace with hash 983832029, now seen corresponding path program 1 times [2024-11-07 12:50:29,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:29,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519623791] [2024-11-07 12:50:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:29,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:30,543 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 12:50:30,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:30,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519623791] [2024-11-07 12:50:30,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519623791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:30,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:30,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 12:50:30,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249697124] [2024-11-07 12:50:30,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:30,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:30,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:30,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:30,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:30,547 INFO L87 Difference]: Start difference. First operand 1010 states and 1400 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 12:50:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:30,639 INFO L93 Difference]: Finished difference Result 2017 states and 2797 transitions. [2024-11-07 12:50:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:30,640 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 12:50:30,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:30,652 INFO L225 Difference]: With dead ends: 2017 [2024-11-07 12:50:30,653 INFO L226 Difference]: Without dead ends: 1010 [2024-11-07 12:50:30,656 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 12:50:30,657 INFO L432 NwaCegarLoop]: 788 mSDtfsCounter, 779 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 788 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 12:50:30,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:50:30,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-07 12:50:30,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2024-11-07 12:50:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.3342541436464088) internal successors, (966), 737 states have internal predecessors, (966), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (213), 213 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-07 12:50:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1398 transitions. [2024-11-07 12:50:30,725 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1398 transitions. Word has length 18 [2024-11-07 12:50:30,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:30,726 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1398 transitions. [2024-11-07 12:50:30,726 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 12:50:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1398 transitions. [2024-11-07 12:50:30,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 12:50:30,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:30,727 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] [2024-11-07 12:50:30,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:50:30,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:30,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash -909447033, now seen corresponding path program 1 times [2024-11-07 12:50:30,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:30,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205596352] [2024-11-07 12:50:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:31,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:50:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:31,938 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 12:50:31,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:31,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205596352] [2024-11-07 12:50:31,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205596352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:31,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:31,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:50:31,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559084713] [2024-11-07 12:50:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:31,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:31,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:31,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:31,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:31,941 INFO L87 Difference]: Start difference. First operand 1010 states and 1398 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 12:50:36,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:50:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:36,198 INFO L93 Difference]: Finished difference Result 2423 states and 3344 transitions. [2024-11-07 12:50:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:36,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 22 [2024-11-07 12:50:36,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:36,209 INFO L225 Difference]: With dead ends: 2423 [2024-11-07 12:50:36,209 INFO L226 Difference]: Without dead ends: 1416 [2024-11-07 12:50:36,214 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 12:50:36,217 INFO L432 NwaCegarLoop]: 1276 mSDtfsCounter, 745 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:36,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 1823 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:50:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-07 12:50:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1392. [2024-11-07 12:50:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 993 states have (on average 1.3333333333333333) internal successors, (1324), 1010 states have internal predecessors, (1324), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-07 12:50:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1918 transitions. [2024-11-07 12:50:36,303 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1918 transitions. Word has length 22 [2024-11-07 12:50:36,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:36,303 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 1918 transitions. [2024-11-07 12:50:36,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 12:50:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1918 transitions. [2024-11-07 12:50:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 12:50:36,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:36,305 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 12:50:36,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 12:50:36,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:36,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:36,305 INFO L85 PathProgramCache]: Analyzing trace with hash -428234540, now seen corresponding path program 1 times [2024-11-07 12:50:36,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:36,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037938780] [2024-11-07 12:50:36,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:36,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:37,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 12:50:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:37,351 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 12:50:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037938780] [2024-11-07 12:50:37,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037938780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:37,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:50:37,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:50:37,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399061841] [2024-11-07 12:50:37,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:37,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:37,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:37,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:37,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:50:37,354 INFO L87 Difference]: Start difference. First operand 1392 states and 1918 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 12:50:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:37,501 INFO L93 Difference]: Finished difference Result 2799 states and 3861 transitions. [2024-11-07 12:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:37,501 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 12:50:37,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:37,513 INFO L225 Difference]: With dead ends: 2799 [2024-11-07 12:50:37,513 INFO L226 Difference]: Without dead ends: 1410 [2024-11-07 12:50:37,519 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 12:50:37,521 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 12 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:37,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1565 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:50:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-07 12:50:37,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1394. [2024-11-07 12:50:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 995 states have (on average 1.3326633165829145) internal successors, (1326), 1012 states have internal predecessors, (1326), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-07 12:50:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1920 transitions. [2024-11-07 12:50:37,634 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1920 transitions. Word has length 30 [2024-11-07 12:50:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:37,634 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1920 transitions. [2024-11-07 12:50:37,635 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 12:50:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1920 transitions. [2024-11-07 12:50:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 12:50:37,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:37,639 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 12:50:37,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 12:50:37,639 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:37,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:37,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2061059013, now seen corresponding path program 1 times [2024-11-07 12:50:37,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:37,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600243515] [2024-11-07 12:50:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:38,692 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 12:50:38,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:38,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600243515] [2024-11-07 12:50:38,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600243515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:38,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111419665] [2024-11-07 12:50:38,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:38,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:38,698 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 12:50:38,700 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 12:50:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:40,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 12:50:40,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:40,211 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 12:50:40,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:40,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111419665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:40,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:40,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 12:50:40,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405495709] [2024-11-07 12:50:40,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:40,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:40,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:40,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:40,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:40,213 INFO L87 Difference]: Start difference. First operand 1394 states and 1920 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 12:50:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:40,332 INFO L93 Difference]: Finished difference Result 2823 states and 3897 transitions. [2024-11-07 12:50:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:40,333 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 12:50:40,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:40,344 INFO L225 Difference]: With dead ends: 2823 [2024-11-07 12:50:40,344 INFO L226 Difference]: Without dead ends: 1432 [2024-11-07 12:50:40,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:40,351 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 16 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:50:40,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1580 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:50:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-07 12:50:40,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1398. [2024-11-07 12:50:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 999 states have (on average 1.3313313313313313) internal successors, (1330), 1016 states have internal predecessors, (1330), 300 states have call successors, (300), 99 states have call predecessors, (300), 98 states have return successors, (294), 294 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-07 12:50:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1924 transitions. [2024-11-07 12:50:40,425 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1924 transitions. Word has length 34 [2024-11-07 12:50:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:40,425 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 1924 transitions. [2024-11-07 12:50:40,425 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 12:50:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1924 transitions. [2024-11-07 12:50:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 12:50:40,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:40,426 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 12:50:40,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 12:50:40,627 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 12:50:40,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:40,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:40,628 INFO L85 PathProgramCache]: Analyzing trace with hash -394368894, now seen corresponding path program 1 times [2024-11-07 12:50:40,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:40,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960753277] [2024-11-07 12:50:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:40,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:41,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:41,610 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 12:50:41,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:41,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960753277] [2024-11-07 12:50:41,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960753277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:41,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565347569] [2024-11-07 12:50:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:41,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:41,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:41,615 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 12:50:41,617 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 12:50:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:42,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 2958 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:42,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:43,072 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 12:50:43,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:43,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565347569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:43,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:43,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 12:50:43,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10657844] [2024-11-07 12:50:43,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:43,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:43,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:43,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:43,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:43,073 INFO L87 Difference]: Start difference. First operand 1398 states and 1924 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 12:50:43,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:43,227 INFO L93 Difference]: Finished difference Result 4136 states and 5684 transitions. [2024-11-07 12:50:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:43,227 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 12:50:43,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:43,249 INFO L225 Difference]: With dead ends: 4136 [2024-11-07 12:50:43,249 INFO L226 Difference]: Without dead ends: 2741 [2024-11-07 12:50:43,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:43,258 INFO L432 NwaCegarLoop]: 789 mSDtfsCounter, 750 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1556 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 12:50:43,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1556 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:50:43,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-11-07 12:50:43,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2258. [2024-11-07 12:50:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2258 states, 1608 states have (on average 1.3264925373134329) internal successors, (2133), 1634 states have internal predecessors, (2133), 488 states have call successors, (488), 162 states have call predecessors, (488), 161 states have return successors, (482), 481 states have call predecessors, (482), 482 states have call successors, (482) [2024-11-07 12:50:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 3103 transitions. [2024-11-07 12:50:43,393 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 3103 transitions. Word has length 38 [2024-11-07 12:50:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:43,394 INFO L471 AbstractCegarLoop]: Abstraction has 2258 states and 3103 transitions. [2024-11-07 12:50:43,394 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 12:50:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 3103 transitions. [2024-11-07 12:50:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 12:50:43,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:43,395 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 12:50:43,420 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 12:50:43,595 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 12:50:43,596 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:43,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash 789422399, now seen corresponding path program 1 times [2024-11-07 12:50:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:43,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298799276] [2024-11-07 12:50:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:43,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:44,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:44,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:50:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:44,730 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 12:50:44,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:44,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298799276] [2024-11-07 12:50:44,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298799276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:44,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412550720] [2024-11-07 12:50:44,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:44,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:44,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:44,733 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 12:50:44,737 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 12:50:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:46,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:46,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:46,195 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 12:50:46,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:46,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412550720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:46,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:46,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 12:50:46,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069034508] [2024-11-07 12:50:46,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:46,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:46,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:46,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:46,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:46,197 INFO L87 Difference]: Start difference. First operand 2258 states and 3103 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 12:50:46,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:46,355 INFO L93 Difference]: Finished difference Result 4547 states and 6259 transitions. [2024-11-07 12:50:46,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:46,356 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 12:50:46,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:46,376 INFO L225 Difference]: With dead ends: 4547 [2024-11-07 12:50:46,376 INFO L226 Difference]: Without dead ends: 2292 [2024-11-07 12:50:46,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:50:46,386 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 22 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1555 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 12:50:46,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1555 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:50:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2024-11-07 12:50:46,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2024-11-07 12:50:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1634 states have (on average 1.3274173806609546) internal successors, (2169), 1660 states have internal predecessors, (2169), 496 states have call successors, (496), 162 states have call predecessors, (496), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-07 12:50:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3155 transitions. [2024-11-07 12:50:46,500 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3155 transitions. Word has length 39 [2024-11-07 12:50:46,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:46,501 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3155 transitions. [2024-11-07 12:50:46,501 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 12:50:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3155 transitions. [2024-11-07 12:50:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 12:50:46,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:46,504 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 12:50:46,528 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 12:50:46,704 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 12:50:46,705 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:46,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:46,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1466215333, now seen corresponding path program 1 times [2024-11-07 12:50:46,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:46,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481870662] [2024-11-07 12:50:46,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:46,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:47,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:50:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:47,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:50:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:47,712 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 12:50:47,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:47,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481870662] [2024-11-07 12:50:47,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481870662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:47,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936476876] [2024-11-07 12:50:47,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:47,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:47,715 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 12:50:47,717 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 12:50:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:49,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 3101 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:49,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:49,069 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 12:50:49,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:49,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936476876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:49,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:49,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:50:49,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522001047] [2024-11-07 12:50:49,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:49,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:49,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:49,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:49,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:50:49,071 INFO L87 Difference]: Start difference. First operand 2292 states and 3155 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 12:50:49,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:49,191 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2024-11-07 12:50:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:49,191 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 12:50:49,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:49,209 INFO L225 Difference]: With dead ends: 2314 [2024-11-07 12:50:49,209 INFO L226 Difference]: Without dead ends: 2303 [2024-11-07 12:50:49,211 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 12:50:49,212 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 784 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 814 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 12:50:49,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 814 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:50:49,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2024-11-07 12:50:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2292. [2024-11-07 12:50:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1634 states have (on average 1.3268053855569155) internal successors, (2168), 1660 states have internal predecessors, (2168), 496 states have call successors, (496), 162 states have call predecessors, (496), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-07 12:50:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3154 transitions. [2024-11-07 12:50:49,322 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3154 transitions. Word has length 50 [2024-11-07 12:50:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:49,322 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3154 transitions. [2024-11-07 12:50:49,322 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 12:50:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3154 transitions. [2024-11-07 12:50:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 12:50:49,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:49,324 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 12:50:49,349 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 12:50:49,524 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 12:50:49,525 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:49,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1523473635, now seen corresponding path program 1 times [2024-11-07 12:50:49,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:49,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986913879] [2024-11-07 12:50:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:49,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:50:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:50,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:50:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:50,699 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 12:50:50,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:50,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986913879] [2024-11-07 12:50:50,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986913879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:50,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812364972] [2024-11-07 12:50:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:50,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:50,701 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 12:50:50,703 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 12:50:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:51,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 3096 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:51,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:52,151 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 12:50:52,151 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:52,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812364972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:52,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:52,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:50:52,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7083569] [2024-11-07 12:50:52,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:52,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:52,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:52,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:52,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:50:52,152 INFO L87 Difference]: Start difference. First operand 2292 states and 3154 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 12:50:56,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:50:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:50:56,312 INFO L93 Difference]: Finished difference Result 2294 states and 3155 transitions. [2024-11-07 12:50:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:50:56,312 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 12:50:56,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:50:56,328 INFO L225 Difference]: With dead ends: 2294 [2024-11-07 12:50:56,328 INFO L226 Difference]: Without dead ends: 2291 [2024-11-07 12:50:56,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:50:56,331 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 740 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 786 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 12:50:56,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 786 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:50:56,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2024-11-07 12:50:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2291. [2024-11-07 12:50:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2291 states, 1634 states have (on average 1.3261933904528764) internal successors, (2167), 1659 states have internal predecessors, (2167), 495 states have call successors, (495), 162 states have call predecessors, (495), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-07 12:50:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3152 transitions. [2024-11-07 12:50:56,445 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3152 transitions. Word has length 50 [2024-11-07 12:50:56,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:50:56,447 INFO L471 AbstractCegarLoop]: Abstraction has 2291 states and 3152 transitions. [2024-11-07 12:50:56,448 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 12:50:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3152 transitions. [2024-11-07 12:50:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 12:50:56,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:50:56,449 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 12:50:56,473 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 12:50:56,649 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 12:50:56,650 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:50:56,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:50:56,650 INFO L85 PathProgramCache]: Analyzing trace with hash -17244853, now seen corresponding path program 1 times [2024-11-07 12:50:56,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:50:56,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283970563] [2024-11-07 12:50:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:50:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:57,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:50:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:57,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:50:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:50:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:57,558 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 12:50:57,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:50:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283970563] [2024-11-07 12:50:57,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283970563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:50:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461982538] [2024-11-07 12:50:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:50:57,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:50:57,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:50:57,561 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 12:50:57,563 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 12:50:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:50:58,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 3098 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:50:58,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:50:59,025 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 12:50:59,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:50:59,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461982538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:50:59,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:50:59,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:50:59,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684601213] [2024-11-07 12:50:59,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:50:59,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:50:59,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:50:59,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:50:59,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:50:59,027 INFO L87 Difference]: Start difference. First operand 2291 states and 3152 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 12:51:03,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:51:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:03,156 INFO L93 Difference]: Finished difference Result 2293 states and 3153 transitions. [2024-11-07 12:51:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:03,156 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 12:51:03,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:03,172 INFO L225 Difference]: With dead ends: 2293 [2024-11-07 12:51:03,173 INFO L226 Difference]: Without dead ends: 2290 [2024-11-07 12:51:03,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:03,174 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 737 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 784 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 12:51:03,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 784 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:51:03,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2024-11-07 12:51:03,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2290. [2024-11-07 12:51:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 1634 states have (on average 1.3255813953488371) internal successors, (2166), 1658 states have internal predecessors, (2166), 494 states have call successors, (494), 162 states have call predecessors, (494), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-07 12:51:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3150 transitions. [2024-11-07 12:51:03,296 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3150 transitions. Word has length 51 [2024-11-07 12:51:03,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:03,296 INFO L471 AbstractCegarLoop]: Abstraction has 2290 states and 3150 transitions. [2024-11-07 12:51:03,296 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 12:51:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3150 transitions. [2024-11-07 12:51:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 12:51:03,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:03,297 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 12:51:03,325 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 12:51:03,498 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 12:51:03,499 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:03,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:03,499 INFO L85 PathProgramCache]: Analyzing trace with hash -534872858, now seen corresponding path program 1 times [2024-11-07 12:51:03,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:03,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279789423] [2024-11-07 12:51:03,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:03,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:04,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:04,529 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 12:51:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279789423] [2024-11-07 12:51:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279789423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744395519] [2024-11-07 12:51:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:04,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:04,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:04,532 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 12:51:04,534 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 [2024-11-07 12:51:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:05,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:51:05,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:06,074 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 12:51:06,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:06,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744395519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:06,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:06,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:51:06,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290919749] [2024-11-07 12:51:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:06,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:06,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:06,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:06,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:06,075 INFO L87 Difference]: Start difference. First operand 2290 states and 3150 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 12:51:10,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:51:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:10,241 INFO L93 Difference]: Finished difference Result 2292 states and 3151 transitions. [2024-11-07 12:51:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:10,242 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 12:51:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:10,256 INFO L225 Difference]: With dead ends: 2292 [2024-11-07 12:51:10,256 INFO L226 Difference]: Without dead ends: 2289 [2024-11-07 12:51:10,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:10,257 INFO L432 NwaCegarLoop]: 782 mSDtfsCounter, 734 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 782 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 12:51:10,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 782 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:51:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2024-11-07 12:51:10,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2024-11-07 12:51:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 1634 states have (on average 1.324969400244798) internal successors, (2165), 1657 states have internal predecessors, (2165), 493 states have call successors, (493), 162 states have call predecessors, (493), 161 states have return successors, (490), 489 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-07 12:51:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3148 transitions. [2024-11-07 12:51:10,379 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3148 transitions. Word has length 52 [2024-11-07 12:51:10,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:10,381 INFO L471 AbstractCegarLoop]: Abstraction has 2289 states and 3148 transitions. [2024-11-07 12:51:10,381 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 12:51:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3148 transitions. [2024-11-07 12:51:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 12:51:10,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:10,382 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 12:51:10,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 12:51:10,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:10,583 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:10,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash 598533038, now seen corresponding path program 1 times [2024-11-07 12:51:10,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:10,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046775831] [2024-11-07 12:51:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:11,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:11,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:11,532 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 12:51:11,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:11,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046775831] [2024-11-07 12:51:11,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046775831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:11,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098294917] [2024-11-07 12:51:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:11,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:11,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:11,534 INFO L229 MonitoredProcess]: Starting monitored process 9 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 12:51:11,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 12:51:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:12,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 3102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:51:12,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:13,070 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 12:51:13,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:13,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098294917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:13,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:13,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 12:51:13,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913751152] [2024-11-07 12:51:13,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:13,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:13,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:13,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:13,072 INFO L87 Difference]: Start difference. First operand 2289 states and 3148 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 12:51:17,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:51:17,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:17,255 INFO L93 Difference]: Finished difference Result 2790 states and 3813 transitions. [2024-11-07 12:51:17,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:17,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 53 [2024-11-07 12:51:17,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:17,270 INFO L225 Difference]: With dead ends: 2790 [2024-11-07 12:51:17,270 INFO L226 Difference]: Without dead ends: 2758 [2024-11-07 12:51:17,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:51:17,273 INFO L432 NwaCegarLoop]: 1100 mSDtfsCounter, 661 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:17,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1495 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 12:51:17,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2024-11-07 12:51:17,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2758. [2024-11-07 12:51:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 1954 states have (on average 1.3147389969293757) internal successors, (2569), 1979 states have internal predecessors, (2569), 602 states have call successors, (602), 202 states have call predecessors, (602), 201 states have return successors, (601), 600 states have call predecessors, (601), 601 states have call successors, (601) [2024-11-07 12:51:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 3772 transitions. [2024-11-07 12:51:17,444 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 3772 transitions. Word has length 53 [2024-11-07 12:51:17,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:17,444 INFO L471 AbstractCegarLoop]: Abstraction has 2758 states and 3772 transitions. [2024-11-07 12:51:17,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 12:51:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3772 transitions. [2024-11-07 12:51:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 12:51:17,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:17,451 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:17,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 12:51:17,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:17,653 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:17,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:17,653 INFO L85 PathProgramCache]: Analyzing trace with hash -890061604, now seen corresponding path program 1 times [2024-11-07 12:51:17,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:17,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14508550] [2024-11-07 12:51:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 12:51:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 12:51:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:51:18,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:18,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14508550] [2024-11-07 12:51:18,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14508550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:18,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660915369] [2024-11-07 12:51:18,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:18,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:18,674 INFO L229 MonitoredProcess]: Starting monitored process 10 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 12:51:18,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 12:51:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:20,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 12:51:20,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 12:51:20,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:20,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660915369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:20,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:20,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-07 12:51:20,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226839793] [2024-11-07 12:51:20,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:20,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:20,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:20,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:20,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:51:20,195 INFO L87 Difference]: Start difference. First operand 2758 states and 3772 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 12:51:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:20,478 INFO L93 Difference]: Finished difference Result 7059 states and 9620 transitions. [2024-11-07 12:51:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:20,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2024-11-07 12:51:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:20,509 INFO L225 Difference]: With dead ends: 7059 [2024-11-07 12:51:20,510 INFO L226 Difference]: Without dead ends: 4304 [2024-11-07 12:51:20,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 12:51:20,523 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 701 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:20,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1429 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:51:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2024-11-07 12:51:20,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4301. [2024-11-07 12:51:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4301 states, 3057 states have (on average 1.3117435394177297) internal successors, (4010), 3094 states have internal predecessors, (4010), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-07 12:51:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 5837 transitions. [2024-11-07 12:51:20,771 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 5837 transitions. Word has length 71 [2024-11-07 12:51:20,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:20,771 INFO L471 AbstractCegarLoop]: Abstraction has 4301 states and 5837 transitions. [2024-11-07 12:51:20,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 12:51:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 5837 transitions. [2024-11-07 12:51:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 12:51:20,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:20,781 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:20,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 12:51:20,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:20,982 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:20,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:20,982 INFO L85 PathProgramCache]: Analyzing trace with hash 596748283, now seen corresponding path program 1 times [2024-11-07 12:51:20,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:20,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018953551] [2024-11-07 12:51:20,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:20,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 12:51:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 12:51:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:51:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:51:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:51:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 12:51:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 12:51:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:51:22,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:22,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018953551] [2024-11-07 12:51:22,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018953551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:22,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105079572] [2024-11-07 12:51:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:22,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:22,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:22,323 INFO L229 MonitoredProcess]: Starting monitored process 11 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 12:51:22,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 12:51:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:23,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 3750 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 12:51:23,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 12:51:23,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:23,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105079572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:23,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:23,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2024-11-07 12:51:23,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222965530] [2024-11-07 12:51:23,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:23,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:23,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:23,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:23,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 12:51:23,991 INFO L87 Difference]: Start difference. First operand 4301 states and 5837 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-07 12:51:24,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:24,170 INFO L93 Difference]: Finished difference Result 8611 states and 11923 transitions. [2024-11-07 12:51:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:24,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-07 12:51:24,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:24,194 INFO L225 Difference]: With dead ends: 8611 [2024-11-07 12:51:24,194 INFO L226 Difference]: Without dead ends: 4313 [2024-11-07 12:51:24,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 12:51:24,211 INFO L432 NwaCegarLoop]: 753 mSDtfsCounter, 0 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:24,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1501 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:51:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2024-11-07 12:51:24,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4313. [2024-11-07 12:51:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4313 states, 3069 states have (on average 1.3105246008471816) internal successors, (4022), 3106 states have internal predecessors, (4022), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-07 12:51:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 4313 states and 5849 transitions. [2024-11-07 12:51:24,574 INFO L78 Accepts]: Start accepts. Automaton has 4313 states and 5849 transitions. Word has length 134 [2024-11-07 12:51:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:24,575 INFO L471 AbstractCegarLoop]: Abstraction has 4313 states and 5849 transitions. [2024-11-07 12:51:24,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-07 12:51:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 5849 transitions. [2024-11-07 12:51:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 12:51:24,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:24,581 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:24,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 12:51:24,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 12:51:24,782 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:24,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:24,783 INFO L85 PathProgramCache]: Analyzing trace with hash 317009185, now seen corresponding path program 1 times [2024-11-07 12:51:24,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:24,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110421302] [2024-11-07 12:51:24,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:24,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 12:51:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 12:51:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:51:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:51:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:51:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 12:51:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 12:51:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 12:51:26,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:26,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110421302] [2024-11-07 12:51:26,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110421302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:26,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925651383] [2024-11-07 12:51:26,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:26,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:26,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:26,015 INFO L229 MonitoredProcess]: Starting monitored process 12 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 12:51:26,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 12:51:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:27,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 3755 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:51:27,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 12:51:27,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:27,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925651383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:27,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:27,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-07 12:51:27,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809817287] [2024-11-07 12:51:27,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:27,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:51:27,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:27,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:51:27,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 12:51:27,735 INFO L87 Difference]: Start difference. First operand 4313 states and 5849 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-07 12:51:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:27,953 INFO L93 Difference]: Finished difference Result 8647 states and 11851 transitions. [2024-11-07 12:51:27,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:51:27,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2024-11-07 12:51:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:27,984 INFO L225 Difference]: With dead ends: 8647 [2024-11-07 12:51:27,984 INFO L226 Difference]: Without dead ends: 4337 [2024-11-07 12:51:28,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 12:51:28,003 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 1 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:28,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1497 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:51:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2024-11-07 12:51:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4325. [2024-11-07 12:51:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 3081 states have (on average 1.3093151574164232) internal successors, (4034), 3118 states have internal predecessors, (4034), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-07 12:51:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5861 transitions. [2024-11-07 12:51:28,289 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5861 transitions. Word has length 135 [2024-11-07 12:51:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:28,289 INFO L471 AbstractCegarLoop]: Abstraction has 4325 states and 5861 transitions. [2024-11-07 12:51:28,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-07 12:51:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5861 transitions. [2024-11-07 12:51:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 12:51:28,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:28,300 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:28,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 12:51:28,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 12:51:28,500 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:28,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:28,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1303663095, now seen corresponding path program 1 times [2024-11-07 12:51:28,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:28,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939049605] [2024-11-07 12:51:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:28,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 12:51:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 12:51:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:51:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:51:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:51:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 12:51:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 12:51:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 12:51:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:51:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:51:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 12:51:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 12:51:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 12:51:29,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:29,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939049605] [2024-11-07 12:51:29,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939049605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:29,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017083244] [2024-11-07 12:51:29,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:29,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:29,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:29,954 INFO L229 MonitoredProcess]: Starting monitored process 13 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 12:51:29,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 12:51:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:31,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 4176 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 12:51:31,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-07 12:51:31,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:51:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017083244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:51:31,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:51:31,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-07 12:51:31,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286705829] [2024-11-07 12:51:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:51:31,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:51:31,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:31,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:51:31,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 12:51:31,871 INFO L87 Difference]: Start difference. First operand 4325 states and 5861 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 12:51:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:51:32,093 INFO L93 Difference]: Finished difference Result 8671 states and 11983 transitions. [2024-11-07 12:51:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 12:51:32,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-07 12:51:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:51:32,117 INFO L225 Difference]: With dead ends: 8671 [2024-11-07 12:51:32,117 INFO L226 Difference]: Without dead ends: 4349 [2024-11-07 12:51:32,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 12:51:32,132 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 0 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:51:32,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2247 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:51:32,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2024-11-07 12:51:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2024-11-07 12:51:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 3105 states have (on average 1.3069243156199677) internal successors, (4058), 3142 states have internal predecessors, (4058), 914 states have call successors, (914), 330 states have call predecessors, (914), 329 states have return successors, (913), 912 states have call predecessors, (913), 913 states have call successors, (913) [2024-11-07 12:51:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 5885 transitions. [2024-11-07 12:51:32,519 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 5885 transitions. Word has length 190 [2024-11-07 12:51:32,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:51:32,520 INFO L471 AbstractCegarLoop]: Abstraction has 4349 states and 5885 transitions. [2024-11-07 12:51:32,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 12:51:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 5885 transitions. [2024-11-07 12:51:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 12:51:32,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:51:32,529 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:51:32,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 12:51:32,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:32,730 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:51:32,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:51:32,730 INFO L85 PathProgramCache]: Analyzing trace with hash -69431389, now seen corresponding path program 1 times [2024-11-07 12:51:32,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:51:32,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424743] [2024-11-07 12:51:32,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:32,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:51:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:51:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:51:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:33,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 12:51:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 12:51:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 12:51:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:33,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:51:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:51:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:51:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 12:51:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 12:51:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 12:51:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:51:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:51:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:51:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 12:51:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 12:51:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-07 12:51:34,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:51:34,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424743] [2024-11-07 12:51:34,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:51:34,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679545346] [2024-11-07 12:51:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:51:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:51:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:51:34,406 INFO L229 MonitoredProcess]: Starting monitored process 14 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 12:51:34,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 12:51:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:51:36,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 12:51:36,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:51:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-07 12:51:36,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 12:51:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-07 12:51:37,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679545346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 12:51:37,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 12:51:37,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-07 12:51:37,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362308838] [2024-11-07 12:51:37,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 12:51:37,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 12:51:37,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:51:37,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 12:51:37,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 12:51:37,059 INFO L87 Difference]: Start difference. First operand 4349 states and 5885 transitions. Second operand has 14 states, 14 states have (on average 13.857142857142858) internal successors, (194), 9 states have internal predecessors, (194), 2 states have call successors, (45), 6 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42)