./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 2d48abbc06c71aeec5c2fd7c4bfe3a64e4c3a331115f87234999cdb923340216 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:39:20,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:39:20,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:39:20,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:39:20,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:39:20,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:39:20,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:39:20,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:39:20,558 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:39:20,559 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:39:20,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:39:20,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:39:20,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:39:20,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:39:20,562 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:39:20,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:39:20,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:39:20,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:39:20,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:39:20,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:39:20,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:39:20,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:39:20,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:39:20,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:39:20,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:39:20,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:39:20,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:39:20,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:39:20,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:39:20,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:39:20,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:39:20,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:39:20,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:39:20,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:39:20,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:39:20,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:39:20,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:39:20,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:39:20,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:39:20,572 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d48abbc06c71aeec5c2fd7c4bfe3a64e4c3a331115f87234999cdb923340216 [2024-11-19 03:39:20,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:39:20,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:39:20,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:39:20,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:39:20,908 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:39:20,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i [2024-11-19 03:39:22,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:39:22,921 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:39:22,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i [2024-11-19 03:39:22,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db449a1b2/661345f468534905ba96958c75c13ca1/FLAG478e5dcd3 [2024-11-19 03:39:22,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db449a1b2/661345f468534905ba96958c75c13ca1 [2024-11-19 03:39:22,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:39:22,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:39:23,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:39:23,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:39:23,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:39:23,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:22" (1/1) ... [2024-11-19 03:39:23,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dcc50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:23, skipping insertion in model container [2024-11-19 03:39:23,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:22" (1/1) ... [2024-11-19 03:39:23,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:39:24,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i[184130,184143] [2024-11-19 03:39:24,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:39:24,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:39:25,302 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i[184130,184143] [2024-11-19 03:39:25,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:39:25,517 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:39:25,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25 WrapperNode [2024-11-19 03:39:25,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:39:25,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:39:25,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:39:25,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:39:25,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:25,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:25,740 INFO L138 Inliner]: procedures = 207, calls = 1200, calls flagged for inlining = 96, calls inlined = 92, statements flattened = 3558 [2024-11-19 03:39:25,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:39:25,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:39:25,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:39:25,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:39:25,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:25,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:25,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,412 INFO L175 MemorySlicer]: Split 594 memory accesses to 7 slices as follows [2, 42, 9, 47, 3, 5, 486]. 82 percent of accesses are in the largest equivalence class. The 41 initializations are split as follows [2, 0, 0, 0, 0, 5, 34]. The 449 writes are split as follows [0, 2, 9, 47, 3, 0, 388]. [2024-11-19 03:39:26,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:39:26,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:39:26,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:39:26,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:39:26,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (1/1) ... [2024-11-19 03:39:26,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:39:26,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:39:26,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:39:26,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:39:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2024-11-19 03:39:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:39:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:39:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:39:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:39:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2024-11-19 03:39:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2024-11-19 03:39:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:39:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:39:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-11-19 03:39:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-11-19 03:39:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:39:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:39:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2024-11-19 03:39:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2024-11-19 03:39:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2024-11-19 03:39:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2024-11-19 03:39:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:39:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:39:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:39:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:39:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:39:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:39:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:39:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:39:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_read_profilex_settings [2024-11-19 03:39:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_read_profilex_settings [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure profile_activated [2024-11-19 03:39:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure profile_activated [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:39:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:39:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:39:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_send_control [2024-11-19 03:39:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_send_control [2024-11-19 03:39:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:39:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:39:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:39:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:39:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:39:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:39:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:39:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:39:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_read_profilex_buttons [2024-11-19 03:39:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_read_profilex_buttons [2024-11-19 03:39:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:39:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:39:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-19 03:39:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-19 03:39:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:39:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:39:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:39:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pyra_lock_of_pyra_device [2024-11-19 03:39:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pyra_lock_of_pyra_device [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:39:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_show_actual_profile [2024-11-19 03:39:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_show_actual_profile [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_read [2024-11-19 03:39:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_read [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:39:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-19 03:39:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:39:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:39:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:39:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:39:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:39:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:39:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:39:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:39:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:39:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:39:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:39:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:39:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:39:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:39:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:39:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_raw_event [2024-11-19 03:39:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_raw_event [2024-11-19 03:39:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:39:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:39:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pyra_lock_of_pyra_device [2024-11-19 03:39:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pyra_lock_of_pyra_device [2024-11-19 03:39:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_remove [2024-11-19 03:39:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_remove [2024-11-19 03:39:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2024-11-19 03:39:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2024-11-19 03:39:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:39:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:39:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:39:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:39:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:39:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:39:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:39:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-19 03:39:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-19 03:39:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:39:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:39:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_write [2024-11-19 03:39:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_write [2024-11-19 03:39:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:39:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:39:27,331 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:39:27,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:39:27,517 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:39:44,945 INFO L? ?]: Removed 1106 outVars from TransFormulas that were not future-live. [2024-11-19 03:39:44,945 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:39:44,996 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:39:44,998 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 03:39:44,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:44 BoogieIcfgContainer [2024-11-19 03:39:44,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:39:45,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:39:45,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:39:45,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:39:45,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:39:22" (1/3) ... [2024-11-19 03:39:45,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cc5573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:39:45, skipping insertion in model container [2024-11-19 03:39:45,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:25" (2/3) ... [2024-11-19 03:39:45,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cc5573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:39:45, skipping insertion in model container [2024-11-19 03:39:45,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:44" (3/3) ... [2024-11-19 03:39:45,009 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i [2024-11-19 03:39:45,025 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:39:45,026 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:39:45,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:39:45,140 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;@610de26f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:39:45,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:39:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 937 states, 642 states have (on average 1.3753894080996885) internal successors, (883), 676 states have internal predecessors, (883), 260 states have call successors, (260), 34 states have call predecessors, (260), 33 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-19 03:39:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2024-11-19 03:39:45,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:39:45,230 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:39:45,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:39:45,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:39:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1886342768, now seen corresponding path program 1 times [2024-11-19 03:39:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:39:45,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687653314] [2024-11-19 03:39:45,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:39:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:39:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:39:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 25485 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 25210 trivial. 0 not checked. [2024-11-19 03:39:55,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:39:55,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687653314] [2024-11-19 03:39:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687653314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:39:55,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973177666] [2024-11-19 03:39:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:39:55,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:39:55,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:39:55,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:39:55,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:40:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:05,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 10796 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:40:06,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:40:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 25485 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 24990 trivial. 0 not checked. [2024-11-19 03:40:06,139 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:40:06,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973177666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:06,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:40:06,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:40:06,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412921383] [2024-11-19 03:40:06,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:06,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:40:06,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:06,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:40:06,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:40:06,173 INFO L87 Difference]: Start difference. First operand has 937 states, 642 states have (on average 1.3753894080996885) internal successors, (883), 676 states have internal predecessors, (883), 260 states have call successors, (260), 34 states have call predecessors, (260), 33 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-11-19 03:40:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:06,307 INFO L93 Difference]: Finished difference Result 1851 states and 2851 transitions. [2024-11-19 03:40:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:40:06,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 1259 [2024-11-19 03:40:06,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:06,327 INFO L225 Difference]: With dead ends: 1851 [2024-11-19 03:40:06,327 INFO L226 Difference]: Without dead ends: 878 [2024-11-19 03:40:06,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1260 GetRequests, 1260 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:40:06,340 INFO L432 NwaCegarLoop]: 1359 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:06,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:40:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2024-11-19 03:40:06,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2024-11-19 03:40:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 620 states have (on average 1.3387096774193548) internal successors, (830), 628 states have internal predecessors, (830), 228 states have call successors, (228), 30 states have call predecessors, (228), 29 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-19 03:40:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1280 transitions. [2024-11-19 03:40:06,459 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1280 transitions. Word has length 1259 [2024-11-19 03:40:06,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:06,460 INFO L471 AbstractCegarLoop]: Abstraction has 878 states and 1280 transitions. [2024-11-19 03:40:06,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-11-19 03:40:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1280 transitions. [2024-11-19 03:40:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2024-11-19 03:40:06,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:06,505 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:40:06,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:40:06,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:40:06,707 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:06,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:06,707 INFO L85 PathProgramCache]: Analyzing trace with hash 241016352, now seen corresponding path program 1 times [2024-11-19 03:40:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:06,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205993565] [2024-11-19 03:40:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:06,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 25485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25485 trivial. 0 not checked. [2024-11-19 03:40:17,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205993565] [2024-11-19 03:40:17,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205993565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:17,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:17,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:17,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548101319] [2024-11-19 03:40:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:17,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:17,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:18,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:18,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:18,002 INFO L87 Difference]: Start difference. First operand 878 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-19 03:40:22,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:40:22,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:22,835 INFO L93 Difference]: Finished difference Result 2127 states and 3098 transitions. [2024-11-19 03:40:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:22,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1259 [2024-11-19 03:40:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:22,853 INFO L225 Difference]: With dead ends: 2127 [2024-11-19 03:40:22,854 INFO L226 Difference]: Without dead ends: 1469 [2024-11-19 03:40:22,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:22,859 INFO L432 NwaCegarLoop]: 1299 mSDtfsCounter, 869 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 2549 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:22,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 2549 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-19 03:40:22,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-11-19 03:40:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1465. [2024-11-19 03:40:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 1084 states have (on average 1.378228782287823) internal successors, (1494), 1094 states have internal predecessors, (1494), 325 states have call successors, (325), 56 states have call predecessors, (325), 55 states have return successors, (319), 319 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-19 03:40:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 2138 transitions. [2024-11-19 03:40:22,979 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 2138 transitions. Word has length 1259 [2024-11-19 03:40:22,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:22,987 INFO L471 AbstractCegarLoop]: Abstraction has 1465 states and 2138 transitions. [2024-11-19 03:40:22,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-19 03:40:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2138 transitions. [2024-11-19 03:40:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1272 [2024-11-19 03:40:23,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:23,004 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:40:23,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:40:23,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:23,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:23,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1510672979, now seen corresponding path program 1 times [2024-11-19 03:40:23,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:23,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827748416] [2024-11-19 03:40:23,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-11-19 03:40:32,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:32,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827748416] [2024-11-19 03:40:32,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827748416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:32,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:32,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:32,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670232963] [2024-11-19 03:40:32,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:32,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:32,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:32,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:32,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:32,634 INFO L87 Difference]: Start difference. First operand 1465 states and 2138 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-19 03:40:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:32,955 INFO L93 Difference]: Finished difference Result 3907 states and 5688 transitions. [2024-11-19 03:40:32,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:32,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1271 [2024-11-19 03:40:32,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:32,984 INFO L225 Difference]: With dead ends: 3907 [2024-11-19 03:40:32,984 INFO L226 Difference]: Without dead ends: 2662 [2024-11-19 03:40:32,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:32,997 INFO L432 NwaCegarLoop]: 1286 mSDtfsCounter, 1230 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:32,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 2234 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:40:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2024-11-19 03:40:33,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2641. [2024-11-19 03:40:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2641 states, 2014 states have (on average 1.400695134061569) internal successors, (2821), 2030 states have internal predecessors, (2821), 518 states have call successors, (518), 109 states have call predecessors, (518), 108 states have return successors, (512), 511 states have call predecessors, (512), 512 states have call successors, (512) [2024-11-19 03:40:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 3851 transitions. [2024-11-19 03:40:33,153 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 3851 transitions. Word has length 1271 [2024-11-19 03:40:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:33,158 INFO L471 AbstractCegarLoop]: Abstraction has 2641 states and 3851 transitions. [2024-11-19 03:40:33,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-19 03:40:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3851 transitions. [2024-11-19 03:40:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1277 [2024-11-19 03:40:33,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:33,172 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:40:33,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:40:33,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:33,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash -320713722, now seen corresponding path program 1 times [2024-11-19 03:40:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:33,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886927617] [2024-11-19 03:40:33,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-11-19 03:40:42,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:42,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886927617] [2024-11-19 03:40:42,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886927617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:42,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:42,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:42,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012576819] [2024-11-19 03:40:42,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:42,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:42,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:42,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:42,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:42,439 INFO L87 Difference]: Start difference. First operand 2641 states and 3851 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-19 03:40:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:42,938 INFO L93 Difference]: Finished difference Result 7385 states and 10751 transitions. [2024-11-19 03:40:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:42,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1276 [2024-11-19 03:40:42,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:42,976 INFO L225 Difference]: With dead ends: 7385 [2024-11-19 03:40:42,976 INFO L226 Difference]: Without dead ends: 4964 [2024-11-19 03:40:42,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:42,992 INFO L432 NwaCegarLoop]: 1318 mSDtfsCounter, 1217 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 2257 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:42,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 2257 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:40:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2024-11-19 03:40:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 4941. [2024-11-19 03:40:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4941 states, 3822 states have (on average 1.41156462585034) internal successors, (5395), 3850 states have internal predecessors, (5395), 904 states have call successors, (904), 215 states have call predecessors, (904), 214 states have return successors, (898), 895 states have call predecessors, (898), 898 states have call successors, (898) [2024-11-19 03:40:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 7197 transitions. [2024-11-19 03:40:43,201 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 7197 transitions. Word has length 1276 [2024-11-19 03:40:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:43,204 INFO L471 AbstractCegarLoop]: Abstraction has 4941 states and 7197 transitions. [2024-11-19 03:40:43,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-19 03:40:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 7197 transitions. [2024-11-19 03:40:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1274 [2024-11-19 03:40:43,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:43,218 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:40:43,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:40:43,219 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:43,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:43,219 INFO L85 PathProgramCache]: Analyzing trace with hash -353497397, now seen corresponding path program 1 times [2024-11-19 03:40:43,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:43,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337601403] [2024-11-19 03:40:43,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms