./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-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:02:29,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:02:29,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:02:29,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:02:29,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:02:29,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:02:29,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:02:29,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:02:29,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:02:29,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:02:29,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:02:29,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:02:29,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:02:29,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:02:29,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:02:29,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:02:29,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:02:29,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:02:29,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:02:29,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:02:29,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:02:29,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:02:29,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:02:29,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:02:29,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:02:29,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:02:29,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:02:29,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:02:29,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:02:29,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:02:29,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:02:29,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:02:29,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:02:29,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:02:29,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:02:29,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:02:29,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:02:29,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:02:29,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:02:29,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:02:29,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:02:29,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:02:29,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:02:29,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:02:29,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:02:29,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:02:29,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:02:29,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:02:29,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:02:29,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:02:29,827 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:02:29,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:02:29,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:02:29,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:02:29,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:02:29,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:02:29,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:02:29,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:02:29,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:02:29,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:02:29,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:02:29,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:02:29,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:02:29,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:02:29,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:02:29,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:02:29,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:02:29,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:02:29,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:02:29,836 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:02:29,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:02:29,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:02:29,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f [2022-11-02 21:02:30,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:02:30,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:02:30,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:02:30,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:02:30,231 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:02:30,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2022-11-02 21:02:30,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/data/975fe8e38/db12bc8695034a1e986ee92e6ac0fca2/FLAG44ba29e2e [2022-11-02 21:02:31,373 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:02:31,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2022-11-02 21:02:31,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/data/975fe8e38/db12bc8695034a1e986ee92e6ac0fca2/FLAG44ba29e2e [2022-11-02 21:02:31,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/data/975fe8e38/db12bc8695034a1e986ee92e6ac0fca2 [2022-11-02 21:02:31,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:02:31,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:02:31,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:02:31,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:02:31,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:02:31,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:02:31" (1/1) ... [2022-11-02 21:02:31,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f05ce54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:31, skipping insertion in model container [2022-11-02 21:02:31,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:02:31" (1/1) ... [2022-11-02 21:02:31,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:02:31,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:02:35,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2022-11-02 21:02:35,646 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:02:35,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:02:35,790 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:02:36,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2022-11-02 21:02:36,533 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-02 21:02:36,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:02:36,865 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:02:36,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36 WrapperNode [2022-11-02 21:02:36,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:02:36,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:02:36,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:02:36,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:02:36,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:37,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:37,752 INFO L138 Inliner]: procedures = 416, calls = 9044, calls flagged for inlining = 161, calls inlined = 152, statements flattened = 14316 [2022-11-02 21:02:37,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:02:37,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:02:37,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:02:37,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:02:37,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:37,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:37,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:37,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:38,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:38,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:38,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:38,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:38,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:02:38,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:02:38,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:02:38,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:02:38,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ... [2022-11-02 21:02:38,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:02:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:02:38,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:02:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_vfreq [2022-11-02 21:02:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_vfreq [2022-11-02 21:02:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 21:02:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure fb_create_modedb [2022-11-02 21:02:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_create_modedb [2022-11-02 21:02:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:02:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:02:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_mkwrite [2022-11-02 21:02:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_mkwrite [2022-11-02 21:02:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:02:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:02:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-02 21:02:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-02 21:02:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_dclk [2022-11-02 21:02:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_dclk [2022-11-02 21:02:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_limits_block [2022-11-02 21:02:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_limits_block [2022-11-02 21:02:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_monitor_block [2022-11-02 21:02:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_monitor_block [2022-11-02 21:02:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 21:02:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:02:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:02:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:02:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure put_fb_info [2022-11-02 21:02:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure put_fb_info [2022-11-02 21:02:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-11-02 21:02:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-11-02 21:02:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_timing_block [2022-11-02 21:02:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_timing_block [2022-11-02 21:02:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:02:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure pm_vt_switch_required [2022-11-02 21:02:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_vt_switch_required [2022-11-02 21:02:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_ascii_block [2022-11-02 21:02:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_ascii_block [2022-11-02 21:02:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-02 21:02:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-02 21:02:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 21:02:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 21:02:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:02:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:02:38,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23570a27-a783-4890-9610-7ac7cf558d62/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:02:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_hfreq [2022-11-02 21:02:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_hfreq [2022-11-02 21:02:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_framebuffer [2022-11-02 21:02:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_framebuffer [2022-11-02 21:02:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fault [2022-11-02 21:02:38,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fault [2022-11-02 21:02:38,977 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_show [2022-11-02 21:02:38,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_show [2022-11-02 21:02:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure fb_pan_display [2022-11-02 21:02:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_pan_display [2022-11-02 21:02:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure fb_be_math [2022-11-02 21:02:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_be_math [2022-11-02 21:02:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:02:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2022-11-02 21:02:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2022-11-02 21:02:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_vblank [2022-11-02 21:02:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_vblank [2022-11-02 21:02:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 21:02:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 21:02:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:02:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure fb_getput_cmap [2022-11-02 21:02:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_getput_cmap [2022-11-02 21:02:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:02:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mode_is_equal [2022-11-02 21:02:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mode_is_equal [2022-11-02 21:02:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:02:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:02:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2022-11-02 21:02:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2022-11-02 21:02:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 21:02:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 21:02:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 21:02:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 21:02:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-02 21:02:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-02 21:02:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:02:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo_line [2022-11-02 21:02:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo_line [2022-11-02 21:02:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 21:02:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 21:02:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2022-11-02 21:02:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2022-11-02 21:02:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:02:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:02:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:02:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:02:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:02:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:02:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:02:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode_cvt [2022-11-02 21:02:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode_cvt [2022-11-02 21:02:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure do_fb_ioctl [2022-11-02 21:02:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fb_ioctl [2022-11-02 21:02:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_logocmap [2022-11-02 21:02:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_logocmap [2022-11-02 21:02:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2022-11-02 21:02:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2022-11-02 21:02:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure fb_copy_cmap [2022-11-02 21:02:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_copy_cmap [2022-11-02 21:02:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-02 21:02:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-02 21:02:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure fb_notifier_call_chain [2022-11-02 21:02:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_notifier_call_chain [2022-11-02 21:02:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure edid_check_header [2022-11-02 21:02:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_check_header [2022-11-02 21:02:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_set_page_dirty [2022-11-02 21:02:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_set_page_dirty [2022-11-02 21:02:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 21:02:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 21:02:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure calc_mode_timings [2022-11-02 21:02:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_mode_timings [2022-11-02 21:02:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:02:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:02:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 21:02:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 21:02:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure fb_ioctl [2022-11-02 21:02:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_ioctl [2022-11-02 21:02:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-02 21:02:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-02 21:02:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:02:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:02:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:02:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:02:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 21:02:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 21:02:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure fb_write [2022-11-02 21:02:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_write [2022-11-02 21:02:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-02 21:02:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-02 21:02:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-02 21:02:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-02 21:02:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-02 21:02:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-02 21:02:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-11-02 21:02:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-11-02 21:02:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:02:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:02:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:02:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:02:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 21:02:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 21:02:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:02:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:02:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:02:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:02:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure edid_checksum [2022-11-02 21:02:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_checksum [2022-11-02 21:02:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_conflicting_framebuffers [2022-11-02 21:02:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_conflicting_framebuffers [2022-11-02 21:02:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure fb_release [2022-11-02 21:02:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_release [2022-11-02 21:02:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:02:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:02:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:02:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_fb_info [2022-11-02 21:02:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fb_info [2022-11-02 21:02:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-11-02 21:02:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-11-02 21:02:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:02:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_work [2022-11-02 21:02:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_work [2022-11-02 21:02:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-02 21:02:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-02 21:02:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-02 21:02:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-02 21:02:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-02 21:02:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-02 21:02:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:02:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fsync [2022-11-02 21:02:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fsync [2022-11-02 21:02:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 21:02:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 21:02:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 21:02:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 21:02:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure proc_fb_open [2022-11-02 21:02:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_fb_open [2022-11-02 21:02:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_serial_block [2022-11-02 21:02:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_serial_block [2022-11-02 21:02:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 21:02:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 21:02:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_fb_info [2022-11-02 21:02:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_fb_info [2022-11-02 21:02:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_std_timing [2022-11-02 21:02:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure get_std_timing [2022-11-02 21:02:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_cmap [2022-11-02 21:02:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_cmap [2022-11-02 21:02:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 21:02:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 21:02:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure file_fb_info [2022-11-02 21:02:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure file_fb_info [2022-11-02 21:02:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_page [2022-11-02 21:02:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_page [2022-11-02 21:02:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mmap [2022-11-02 21:02:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mmap [2022-11-02 21:02:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_from_videomode [2022-11-02 21:02:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_from_videomode [2022-11-02 21:02:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-02 21:02:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-02 21:02:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure fb_compat_ioctl [2022-11-02 21:02:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_compat_ioctl [2022-11-02 21:02:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2022-11-02 21:02:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2022-11-02 21:02:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure lock_fb_info [2022-11-02 21:02:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_fb_info [2022-11-02 21:02:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:02:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:02:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:02:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:02:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure safe_shift [2022-11-02 21:02:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_shift [2022-11-02 21:02:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:02:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_open [2022-11-02 21:02:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_open [2022-11-02 21:02:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-02 21:02:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-02 21:02:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:02:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:02:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure fb_read [2022-11-02 21:02:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_read [2022-11-02 21:02:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 21:02:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 21:02:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 21:02:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 21:02:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 21:02:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 21:02:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure fb_open [2022-11-02 21:02:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_open [2022-11-02 21:02:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2022-11-02 21:02:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2022-11-02 21:02:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 21:02:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 21:02:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure fb_blank [2022-11-02 21:02:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_blank [2022-11-02 21:02:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-02 21:02:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-02 21:02:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-02 21:02:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-02 21:02:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 21:02:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 21:02:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_fscreeninfo [2022-11-02 21:02:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_fscreeninfo [2022-11-02 21:02:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure fix_edid [2022-11-02 21:02:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_edid [2022-11-02 21:02:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure check_edid [2022-11-02 21:02:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure check_edid [2022-11-02 21:02:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap_gfp [2022-11-02 21:02:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap_gfp [2022-11-02 21:02:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:02:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:02:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_hblank_by_hfreq [2022-11-02 21:02:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_hblank_by_hfreq [2022-11-02 21:02:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_detailed_timing [2022-11-02 21:02:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_detailed_timing [2022-11-02 21:02:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_stop [2022-11-02 21:02:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_stop [2022-11-02 21:02:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:02:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 21:02:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 21:02:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo [2022-11-02 21:02:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo [2022-11-02 21:02:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure copy_string [2022-11-02 21:02:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_string [2022-11-02 21:02:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-02 21:02:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-02 21:02:40,599 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:02:40,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:02:58,170 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:04:04,180 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:04:04,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:04:04,204 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:04:04,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:04 BoogieIcfgContainer [2022-11-02 21:04:04,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:04:04,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:04:04,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:04:04,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:04:04,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:02:31" (1/3) ... [2022-11-02 21:04:04,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624dd92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:04, skipping insertion in model container [2022-11-02 21:04:04,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (2/3) ... [2022-11-02 21:04:04,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624dd92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:04, skipping insertion in model container [2022-11-02 21:04:04,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:04" (3/3) ... [2022-11-02 21:04:04,219 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2022-11-02 21:04:04,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:04:04,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:04:04,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:04:04,338 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6fcfe194, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:04:04,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:04:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) [2022-11-02 21:04:04,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-02 21:04:04,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:04,376 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:04:04,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:04:04,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash -676214012, now seen corresponding path program 1 times [2022-11-02 21:04:04,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:04,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812999423] [2022-11-02 21:04:04,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:04,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:04:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 21:04:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:04:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:04:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:04:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:04:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 21:04:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:04:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 21:04:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 21:04:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 21:04:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:04:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:04:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 21:04:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:04:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 21:04:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 21:04:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 21:04:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 21:04:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-02 21:04:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 21:04:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 21:04:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-11-02 21:04:07,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:07,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812999423] [2022-11-02 21:04:07,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812999423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:07,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:07,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:04:07,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060893085] [2022-11-02 21:04:07,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:07,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:04:07,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:07,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:04:07,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:04:07,107 INFO L87 Difference]: Start difference. First operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-02 21:04:10,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:12,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:14,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:17,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:21,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:23,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:25,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:28,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:04:30,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:32,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:35,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:36,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:04:39,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:04:41,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:43,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:45,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:48,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:51,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:04:55,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:59,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:02,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:04,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:06,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:08,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:10,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:12,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:12,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:12,949 INFO L93 Difference]: Finished difference Result 5870 states and 8871 transitions. [2022-11-02 21:05:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:05:12,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 288 [2022-11-02 21:05:12,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:13,019 INFO L225 Difference]: With dead ends: 5870 [2022-11-02 21:05:13,020 INFO L226 Difference]: Without dead ends: 3213 [2022-11-02 21:05:13,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:13,050 INFO L413 NwaCegarLoop]: 3512 mSDtfsCounter, 4205 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 2330 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4281 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2330 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:13,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4281 Valid, 5356 Invalid, 3975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2330 Valid, 1628 Invalid, 17 Unknown, 0 Unchecked, 65.3s Time] [2022-11-02 21:05:13,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2022-11-02 21:05:13,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 2620. [2022-11-02 21:05:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 2025 states have (on average 1.4320987654320987) internal successors, (2900), 2059 states have internal predecessors, (2900), 474 states have call successors, (474), 121 states have call predecessors, (474), 120 states have return successors, (472), 461 states have call predecessors, (472), 472 states have call successors, (472) [2022-11-02 21:05:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 3846 transitions. [2022-11-02 21:05:13,318 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 3846 transitions. Word has length 288 [2022-11-02 21:05:13,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:13,320 INFO L495 AbstractCegarLoop]: Abstraction has 2620 states and 3846 transitions. [2022-11-02 21:05:13,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-02 21:05:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3846 transitions. [2022-11-02 21:05:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-02 21:05:13,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:13,334 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:13,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:05:13,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:13,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:13,336 INFO L85 PathProgramCache]: Analyzing trace with hash -299824110, now seen corresponding path program 1 times [2022-11-02 21:05:13,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:13,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067893583] [2022-11-02 21:05:13,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:13,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 21:05:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:05:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:05:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:05:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:05:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 21:05:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:05:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 21:05:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 21:05:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 21:05:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:05:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:05:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 21:05:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:05:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 21:05:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 21:05:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 21:05:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 21:05:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-02 21:05:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 21:05:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 21:05:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-11-02 21:05:15,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:15,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067893583] [2022-11-02 21:05:15,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067893583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:15,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:15,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:15,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655682787] [2022-11-02 21:05:15,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:15,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:15,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:15,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:15,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:15,613 INFO L87 Difference]: Start difference. First operand 2620 states and 3846 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-02 21:05:19,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:22,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:23,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:26,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:28,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:32,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:05:35,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:05:37,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:43,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:45,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:49,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:51,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:55,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:57,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:05:59,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:05,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:07,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:09,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:11,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:13,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:15,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:19,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:22,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:25,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:28,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:30,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []